Term
| What VMware features are part of the vSphere 4 Standard Edition? |
|
Definition
• VMware ESXi or VMware ESX (deployment-time choice) (Max 6 cores per processor)
• VMFS (Virtual Machine File System)
• 4-way Virtual SMP
• VMware vCenter Server Agent
• VMware vStorage APIs / VMware Consolidated Backup (VCB)
• VMware Update Manager
• VMware High Availability (HA)
• VMware vStorage Thin Provisioning |
|
|
Term
| What VMware features are part of the vSphere 4 Advanced Edition? |
|
Definition
• VMware ESXi or VMware ESX (deployment-time choice) (Max 12 cores per processor)
• VMFS (Virtual Machine File System)
• 4-way Virtual SMP
• VMware vCenter Server Agent
• VMware vStorage APIs / VMware Consolidated Backup (VCB)
• VMware Update Manager
• VMware High Availability (HA)
• VMware vStorage Thin Provisioning
• VMware VMotion™
• VMware Hot Add
• VMware Fault Tolerance
• VMware Data Recovery
• VMware vShield Zones |
|
|
Term
| What VMware Features are part of the vSphere 4 Enterprise Edition? |
|
Definition
• A VMware ESXi or VMware ESX (deployment-time choice) (Max 6 cores per processor)
• VMFS (Virtual Machine File System)
• 4-way Virtual SMP
• VMware vCenter Server Agent
• VMware vStorage APIs / VMware Consolidated Backup (VCB)
• VMware Update Manager
• VMware High Availability (HA)
• VMware vStorage Thin Provisioning
• VMware VMotion™
• VMware Hot Add
• VMware Fault Tolerance
• VMware Data Recovery
• VMware vShield Zones
• VMware Storage VMotion
• VMware Distributed Resource Scheduler (DRS)
• VMware Distributed Power Management (DPM) |
|
|
Term
| What VMware features are part of the VMware vSphere 4 Enterprise Plus Edition? |
|
Definition
• A VMware ESXi or VMware ESX (deployment-time choice) (Max 12 cores per processor) VMFS (Virtual Machine File System)
• 8-way Virtual SMP
• VMware vCenter Server Agent
• VMware vStorage APIs / VMware Consolidated Backup (VCB)
• VMware Update Manager
• VMware High Availability (HA)
• VMware vStorage Thin Provisioning
• VMware VMotion™
• VMware Hot Add
• VMware Fault Tolerance
• VMware Data Recovery
• VMware vShield Zones
• VMware Storage VMotion
• VMware Distributed Resource Scheduler (DRS)
• VMware Distributed Power Management (DPM)
• VMware vNetwork Distributed Switch
• VMware Host Profiles
• VMware vStorage APIs for Multipathing |
|
|
Term
| True or False. ESX and ESXi are considered to be host-based operatying system hypervisors. |
|
Definition
| False. ESX and ESXi are bare-metal hypervisors. |
|
|
Term
| Provide two examples of host-based operating system hypervisors. |
|
Definition
| VMware Server and VMware Workstation |
|
|
Term
| What should be done prior to installing ESX to ensure a successful installation? |
|
Definition
| Check the hardware of your server against the VMware Hardware Compatibility List (HCL) |
|
|
Term
| hat tool is available from VMware to check the specifications of a server’s processor? |
|
Definition
| VMware CPU Identification Utility |
|
|
Term
| What tool is available from VMware to check the integrity of an ESX 4 DVD download? |
|
Definition
| Md5sum from the VMware web site can be compared against the DVD download |
|
|
Term
| What is the maximum number of cores on a CPU allowed by the ESX 4 Standard license? |
|
Definition
|
|
Term
| What is the most significant difference in the SC architecture between ESX 3 and ESX 4? |
|
Definition
| The SC is a virtual machine in ESX 4 |
|
|
Term
| What storage options are available for the SC VM? |
|
Definition
| VMFS on FC storage or VMFS on local storage |
|
|
Term
| What are the default service console mount points? |
|
Definition
| / (root), /var/log, and swap |
|
|
Term
| What is the importance of partitioning? |
|
Definition
| Protect the / (root), to prevent the root from becoming full |
|
|
Term
| True or False. If the / (root) runs out of space there could be service interruptions. |
|
Definition
|
|
Term
| What partition is most directly impacted by the amount of RAM granted to the Service Console? |
|
Definition
|
|
Term
| What is the impact of creating /usr as a separate partition? |
|
Definition
| The / (root) partition can be smaller than normal. |
|
|
Term
| What is the default size of the swap partition for ESX 4? |
|
Definition
|
|
Term
| What is the maximum size of the swap partition for ESX 4? |
|
Definition
|
|
Term
| What ESXi specific partition is used to store vm-support output but is not mandatory for ESXi? |
|
Definition
|
|
Term
| True or false. ESXi is considered more reliable and more secure than ESX. |
|
Definition
|
|
Term
| True or false. ESXi can be managed by vCenter. |
|
Definition
| True, however the appropriate license must be purchased |
|
|
Term
| True or False. ESX Service Console can use Active Directory to check user passwords for authentication but still requires local user accounts created in the Service Console. |
|
Definition
|
|
Term
| What are the two versions of ESXi 4? |
|
Definition
|
|
Term
| List the operational functions that can be performed from the ESXi Direct Console. |
|
Definition
| Set TCP/IP information (address, subnet mask, gateway, DNS), host name, logging settings, restart management agents (local only), test the management network (local only), select the management network NIC, restore standard vSwitch (local only), reset configuration |
|
|
Term
| What is the importance of synchronizing ESX/ESXi 4 hosts with an NTP server? |
|
Definition
• Accurate timestamps in the logs
• Provide VMs with an accurate time source
• Accurate performance graphs |
|
|
Term
| What port is used for NTP communication? |
|
Definition
|
|
Term
| List the steps involved in an upgrade from VI3 to vSphere? |
|
Definition
• Upgrade vCenter
• Upgrade VUM
• Upgrade vSphere client
• Create ESX Upgrade baseline
• Remediate ESX
• Create VM Tools and VM Hardware Upgrade baseline
• Remediate VMs |
|
|
Term
| What prior versions of ESX/ESXi can be upgraded directly to ESX 4? |
|
Definition
• ESX 3, 3.0.1, 3.02
• ESX/ESXi 3.5 |
|
|
Term
| What is the minimum required size of a boot partition for upgrading to ESX 4? |
|
Definition
|
|
Term
| List two ways to upgrade and ESX host? |
|
Definition
| VUM or vSphere 4 Host Update Utility |
|
|
Term
| What two components are upgraded during the upgrade from ESX 3 to ESX 4? |
|
Definition
| Service Console and VMkernel |
|
|
Term
| True or false. The vSphere 4 Host Update Utility does not check for upgrade compatibility. |
|
Definition
| False. In addition to performing upgrades, the Host Update Utility can check for upgrade compatibility. |
|
|
Term
| What Service Console components should be backed up prior to an upgrade? |
|
Definition
| /etc/passwd, /etc/group, /etc/gshadow, /etc/shadow, any custom configuration scripts and all the data in the local VMFS datastore |
|
|
Term
| What utility can backup ESXi? |
|
Definition
|
|
Term
| The ESX Service Console firewall is configured by default to ____ security, by ____ all traffic unless required for default management tasks. |
|
Definition
|
|
Term
| True or False. Users who connect to vCenter must be granted direct access to ESX with local user accounts in the Service Console. |
|
Definition
| False. Only a limited number of administrative staff should have local user accounts in the Service Console that provide direct access to ESX. |
|
|
Term
| What command line tool will list available firewall services? |
|
Definition
|
|
Term
| What command line tool will identify the status of services in the ESX firewall? |
|
Definition
|
|
Term
| What port and protocol is used by ESX 4 hosts to communicate with an NTP server? |
|
Definition
|
|
Term
| List some a few reasons why time synchronization of ESX is important. |
|
Definition
• Accuracy of performance graphs
• Accuracy of time stamps in logs
• Accuracy of VM time synch with SC |
|
|
Term
| True or False. Service Console users and groups can only be managed using the vSphere Client when directly connected to an ESX host. |
|
Definition
| True. SC users and groups cannot be managed when the vSphere client is connected to vCenter |
|
|
Term
| True or False. Every user that access vCenter to manage one or more ESX 4 hosts must have a Service Console user account. |
|
Definition
| False. Only a limited number of administrators should have direct ESX 4 management capability |
|
|
Term
| When performing a boot from SAN how should LUN masking be configured? |
|
Definition
| Each LUN holding an ESX installation should be seen only by the ESX host that needs to boot from that LUN |
|
|
Term
| List the HBA requirements for configuring a boot from SAN. |
|
Definition
• The ESX 4 host must boot from the HBA
• The FC card must be configured to initiate a primitive connection to the target boot LUN. |
|
|
Term
| To expedite the discovery of the FC HBA where should the HBA be inserted in the ESX 4 host? |
|
Definition
| The PCI slot with the lowest value (that is where device scanning begins) |
|
|
Term
| What VMware product integrates with vCenter for managing virtual desktops? |
|
Definition
|
|
Term
| What VMware product provides failover between datacenters that span large geographic distances? |
|
Definition
|
|
Term
| What VMware product allows for rapid provisioning of gold image VMs for testing and development purposes? |
|
Definition
|
|
Term
| What VMware product would integrate with vCenter to create multi-step workflows? For example creating a workflow to use VUM to perform upgrades of VM hardware, VMware Tools, and patches the guest OS? |
|
Definition
|
|
Term
What VMware product is packaged as a virtual appliance that can proactively monitor application performance and provide visibility into the performance of multitier
applications that run in VMs? |
|
Definition
|
|
Term
| What VMware product allows to bridge, firewall, or isolate virtual machine between multiple zones defined by your logical organizational and trust boundaries? |
|
Definition
|
|
Term
| What VMware product provides a unique capability for virtualized environments through an application program interface (API)-sharing program that enables select partners to develop security products for VMware environments? |
|
Definition
|
|
Term
| What are the three types of Standard vSwitches that can be created in ESX 4? |
|
Definition
| Internal-only vSwitch, NIC team (2 or more uplinks), regular vSwitch (1 uplink) |
|
|
Term
| What is the maximum number of ports that can be configured on a standard virtual switch? |
|
Definition
|
|
Term
| What are the three different connection types that can exist in a vSwitch? |
|
Definition
| Service Console port, VMkernel port, and VM port group |
|
|
Term
| True or False. A standard vSwitch can only contain a single port or portgroup. |
|
Definition
| False. A standard vSwitch can contain multiple ports or port groups or only a single port or port group |
|
|
Term
| List the benefits of VLANs. |
|
Definition
| Less hardware required, improved security |
|
|
Term
| How many VLANs can be defined on port or port group? |
|
Definition
|
|
Term
| What is the range of valid VLAN IDs for a vSwitch? |
|
Definition
|
|
Term
| ESX/ESXi 4 both support the industry standard ____ VLAN tagging. |
|
Definition
|
|
Term
| True or False. VLAN IDs must be unique across all ports and port groups. |
|
Definition
| False. Multiple ports and port groups can have the same VLAN ID. |
|
|
Term
| When a vSwitch contains multiple ports and port groups with VLANs defined how must the physical switch be configured? |
|
Definition
| The ports on the physical switch where the ESX 4 X hosts are connected must be configured as trunk ports for all VLANs in the respective vSwitch |
|
|
Term
| What data can be found from the Network Adapters link on the Configuration tab for an ESX host? |
|
Definition
| Observed IP range, speed and duplex setting, wake on LAN support |
|
|
Term
| What are the network load balancing policies available for a virtual switch? |
|
Definition
| Route based on originating virtual port ID, route based on source MAC address, route based on source and destination IP hash, and route based on explicit failover order |
|
|
Term
| How does ESX determine how to handle NIC selection in the event of failure of one of the uplinks in a NIC team? |
|
Definition
| The uplink that has the highest uptime |
|
|
Term
| List the security configuration options for a VM. |
|
Definition
| Promiscuous mode, MAC address changes, and Forged Transmits |
|
|
Term
| Which security setting allows VMs to inspect all traffic passing through a vSwitch? |
|
Definition
|
|
Term
| Which security setting allows a VM to accept traffic when the MAC address defined in the VM does not match the MAC address defined in the .vmx configuration file? |
|
Definition
|
|
Term
| Which security setting allows a VM to a transmit traffic when the MAC address defined in the VM does not match the MAC address defined in the .vmx configuration file? |
|
Definition
|
|
Term
| What can be done to control the bandwidth available to VMs connected to a port group? |
|
Definition
|
|
Term
| What traffic shaping is available on standard virtual switches? |
|
Definition
|
|
Term
| What are the traffic shaping configuration parameters? |
|
Definition
| Average bandwidth (Kbps), Peak bandwidth (Kbps), and Burst size (KB) |
|
|
Term
| True or alse. A physical NIC, or uplink, can be assigned to two virtual switches only if it is set to Full Duplex. |
|
Definition
| False. A physical NIC (uplink) can only be assigned to one vSwitch. |
|
|
Term
| True or false. By default only the first uplink in a vSwitch NIC team is active. |
|
Definition
| False. By default all uplinks are active in a NIC team. |
|
|
Term
| What CLI commands can provide information about vSwitches? |
|
Definition
| esxcfg-info –n and esxcfg-vswitch |
|
|
Term
| At what levels of a vSwitch architecture can traffic shaping and security be configured? |
|
Definition
| At the vSwitch or at the port group |
|
|
Term
| How does the VMkernel keep track of failed uplinks? |
|
Definition
| Link state or beacon probing |
|
|
Term
| Which method can be used to identify failures of upstream devices? |
|
Definition
|
|
Term
| What vSwitch NIC teaming option instructs the vSwitch to notify the physical switch when failover event occurs or when the location of a VM NIC is changed? |
|
Definition
|
|
Term
| What is a vNetwork Distributed Switch? |
|
Definition
| A virtual switch created in vCenter that spans multiple ESX 4 hosts |
|
|
Term
| List the different components involved in the creation and configuration of a distributed virtual switch. |
|
Definition
• vCenter, distributed virtual switch
• distributed virtual port group
• distributed virtual uplink
• physical adapter |
|
|
Term
| List the benefits of the vNetwork Distributed Switch? |
|
Definition
• A Centralized creation and management
• Consistency across multiple ESX 4 hosts |
|
|
Term
| True or False. Third party vSwitches built off the vNetwork APIs are only supported with distributed virtual switches? |
|
Definition
|
|
Term
| What third-party distributed virtual switch is available to provide a fully managed switch in a vSphere environment? |
|
Definition
|
|
Term
| What are the three port binding options available for a dvPort Group? |
|
Definition
| Static, Dynamic, Ephemeral |
|
|
Term
| Which port binding option assigns a VM to a port as soon as the VM is associated with the port group? |
|
Definition
|
|
Term
| Which port binding option assigns a VM to a port the first time the VM is powered on after being associated with the port group? |
|
Definition
|
|
Term
| Which port binding option provides no binding of a VM to a port? |
|
Definition
|
|
Term
| Which port binding option makes a distributed switch available for configuration on a VM when using the vSphere client connected directly to an ESX 4 host? |
|
Definition
|
|
Term
| What traffic shaping options are available for distributed switches? |
|
Definition
| Ingress (inbound) and egress (outbound) |
|
|
Term
| What are the network load balancing policies available for a distributed virtual switch? |
|
Definition
| Route based on originating virtual port ID, route based on source MAC address, route based on source and destination IP hash, and route based on explicit failover order |
|
|
Term
| How can VMs be moved from standard vSwitches to vNetwork Distributed Switches? |
|
Definition
| Manually edit the network adapter properties in the VM configuration or use the Network VMotion feature (Migrate Virtual Machine Networking wizard) to migrate multiple VMs at once |
|
|
Term
| What VLAN options are available on a distributed virtual switch? |
|
Definition
• None
• VLAN
• VLAN trunking
• Private VLAN |
|
|
Term
| When using a distributed virtual switch to support VLANs for VMs running on 8 participating ESX 4 hosts, how many times must the VLAN be configured? |
|
Definition
|
|
Term
| What is the purpose of a Private VLAN (PVLAN)? |
|
Definition
| To provide further segmentation within a VLAN |
|
|
Term
| What are the three different modes for a PVLAN? |
|
Definition
| Promiscuous, Isolated, and Community |
|
|
Term
| A PVLAN is created at the ____ level and assigned at the ____ level. |
|
Definition
| Distributed virtual switch, distributed virtual port group |
|
|
Term
| The Primary VLAN of a PVLAN is in which mode? |
|
Definition
|
|
Term
| VMs in a PVLAN defined as Community can communicate with which VMs? |
|
Definition
| Other VMs in the Community PVLAN or VMs in the Promiscuous PVLAN. |
|
|
Term
| VMs in a PVLAN defined as Isolated can communicate with which VMs? |
|
Definition
| VMs in the Promiscuous PVLAN, NOT VMs in the Community or even other VMs in the Isolated PVLAN. |
|
|
Term
| True or False. vNetwork Distributed vSwitches do not support Service Console and VMkernel ports. |
|
Definition
|
|
Term
| True or False. Service Console and VMkernel ports on a distributed virtual switch cannot co-exist with other ports and port groups. |
|
Definition
|
|
Term
| What is the maximum number of distributed virtual switches per vCenter? |
|
Definition
|
|
Term
| What is the maximum number of hosts per distributed virtual switch? |
|
Definition
|
|
Term
| What is the maximum number of distributed virtual switch port groups per vCenter? |
|
Definition
|
|
Term
| What is the maximum number of distributed virtual switch ports per ESX 4 host? |
|
Definition
|
|
Term
| What is the maximum number of distributed virtual switch ports per vCenter? |
|
Definition
|
|
Term
| When managing a distributed virtual switch, what is the difference between Manage Virtual Adapters and Manage Physical Adapters? |
|
Definition
| Manage Virtual Adapters allows for the creation, migration, and configuration of VMkernel and Service Console ports while Manage Physical Adapters allows for the management of physical adapters assigned to dvUplinks |
|
|
Term
| What configuration options of a distributed virtual switch must be done at the ESX 4 host object level? |
|
Definition
| Creation and configuration of virtual adapters used for VMkernel and Service Console |
|
|
Term
| True or false. Physical network adapters (uplinks) used in a distributed virtual switch must be assigned at the host level. |
|
Definition
|
|
Term
| How can a Service Console port be configured on vNetwork Distributed vSwitch? |
|
Definition
• An existing SC port can be migrated to a distributed switch
• An SC port can be created on an existing distributed virtual port group
• SC port can be created and added to a new standalone port on a distributed switch |
|
|
Term
| True or false. It is a best practice to separate the Service Console network from the production network that VMs are connected to. |
|
Definition
|
|
Term
| In what two ways can the Service Console management network be separated from the VM’s production network? |
|
Definition
| Separate physical switches or VLANs |
|
|
Term
| True or false. If the Service Console is compromised all VMs on that ESX host are at risk of an outage. |
|
Definition
|
|
Term
| List the features supported on Fibre Channel storage. |
|
Definition
| VMotion, Storage Vmotion, HA, DRS, Snapshots, Raw Device Mappings, Microsoft Clustering |
|
|
Term
| The process of segmenting the Fibre Channel fabric to allow communication from ESX hosts to FC storage arrays is called ___. |
|
Definition
|
|
Term
| Where is zoning configured? |
|
Definition
| The Fibre Channel switch(es) |
|
|
Term
| The process of hiding LUNs from ESX hosts is called LUN ___. |
|
Definition
|
|
Term
| Where should LUN masking be configured? |
|
Definition
|
|
Term
| True or False. ESX 4 hosts cannot access the same LUN using the same LUN ID. |
|
Definition
| False. ESX 4 hosts MUST access the same LUN using the same LUN ID. |
|
|
Term
| True or False. The runtime name for a Fibre Channel storage device is consistent across reboots. |
|
Definition
|
|
Term
| What is the format of the runtime name for a Fibre Channel storage device? |
|
Definition
| Vmhba#:C:T:L where vmhba# is the adapter, C is the controller, T is the target, and L is the LUN |
|
|
Term
| Is it better to equip ESX 4 hosts with two single port Fibre Channel HBAs or one dual port Fibre Channel HBA? |
|
Definition
|
|
Term
| List VMware features supported on iSCSI storage. |
|
Definition
• VMotion
• Storage Vmotion
• HA
• DRS
• Snapshots
• Raw Device Mappings
• VMFS |
|
|
Term
| List some of the benefits of iSCSI. |
|
Definition
• Lower cost infrastructure
• utilizes existing IP networks |
|
|
Term
| What are the two types of iSCSI initiation available with ESX 4? |
|
Definition
| Software initiation and hardware initiation |
|
|
Term
| What is the advantage of hardware initiation? |
|
Definition
| Reduce the workload on the VMkernel |
|
|
Term
| How is multipathing configured for iSCSI storage when using the VMware software iSCSI initiator? |
|
Definition
| Create multiple VMkernel ports a single vSwitch bound to uplinks connected to the storage network or multiple VMkernel ports on multiple vSwitches bound to uplinks connected to the storage network. Use the esxcli to associate both VMkernel ports with the iSCSI software initiator. |
|
|
Term
| What is the command required to complete the configuration required to activate multipathing for iSCSI? |
|
Definition
| A esxcli-swiscsi nic add –n -d where is the name of the VMkernel port and vmhba# is the name of the iSCSI software initiatior (don’t forget to repeat this command for all VMkernel ports) |
|
|
Term
| What is the maximum number of paths available from an ESX 4 host to an iSCSI LUN? |
|
Definition
|
|
Term
| What type of CHAP is not available with iSCSI hardware initiation? |
|
Definition
|
|
Term
| What is the purpose of Jumbo Frames? |
|
Definition
| Send larger amount of data |
|
|
Term
| What is the appropriate MTU value for enabling Jumbo Frames? |
|
Definition
|
|
Term
| Where does Jumbo Frames need to be enabled in order to achieve Jumbo Frames for iSCSI in ESX 4? |
|
Definition
| VMkernel port, virtual switch, physical switch |
|
|
Term
| List the functions and process of the VMware software iSCSI initiation. |
|
Definition
• Encapsulate I/O requests into iSCSI Protocol Data Units
• Send iSCSI Protocol Data Units through TCP/IP connections
• VMkernel TCP/IP stack relays TCP/IP packets to physical network adapter
• Physical network adapter sends IP packets over Ethernet to the iSCSI storage array |
|
|
Term
| List the functions and process of hardware iSCSI initiation. |
|
Definition
• Encapsulate I/O requests into iSCSI Protocol Data Units
• Encapsulate iSCSI Protocol Data Units through TCP/IP connections
• Send IP Packets over Ethernet to the iSCSI storage array |
|
|
Term
| What is the default port for iSCSI? |
|
Definition
|
|
Term
| List VMware features supported on NFS. |
|
Definition
• VMotion
• Storage Vmotion
• HA
• DRS
• Snapshots |
|
|
Term
| How does ESX lock a VM stored on an NFS datastore? |
|
Definition
| ESX creates a .lck-### file |
|
|
Term
| What is the maximum number of NFS datastores ESX 4 supports by default? |
|
Definition
|
|
Term
| What happens when an NFS datastore is unmounted from an ESX host? |
|
Definition
| That host loses access to the files in the NFS datastore. Files are NOT deleted from the NFS share. |
|
|
Term
| Under what user context does ESX 4 and ESXi 4 connect to an NFS server? Can you specify a different account? |
|
Definition
|
|
Term
| List some characteristics of VMFS. |
|
Definition
| Optimized for multiple ESX host access, optimized to run multiple VMs from single formatted datastore, VM SCSI commands are translated by VMkernel into VMFS file system commands |
|
|
Term
| How many times must a new VMFS datastore be formatted for 10 hosts in a cluster? |
|
Definition
|
|
Term
| What happens when a VMFS datastore is removed? |
|
Definition
| All data is deleted and none of the hosts in a cluster will have access any longer |
|
|
Term
| What is the maximum size of a VMFS volume residing on single LUN? |
|
Definition
|
|
Term
| How many VMFS datastores does an ESX host support? |
|
Definition
|
|
Term
| What are the default Path Selection Policies supported by ESX4? |
|
Definition
| Most Recently Used (MRU), Fixed, and Round Robin |
|
|
Term
| How many paths can be used at the same time when using the native Round Robin multipathing policy? |
|
Definition
|
|
Term
| What functions are performed by the VMware Pluggable Storage Architecture (PSA) when more than one Multipathing Plugin (MPP) exists? |
|
Definition
• Physical path discovery
• physical path removal
• I/O queuing for the logical devices
• I/O queuing for HBAs |
|
|
Term
| What are the two ways increasing the size of a VMFS datastore? |
|
Definition
| VMFS extents and VMFS volume grow |
|
|
Term
| What is the maximum size of a VMFS volume using extents? |
|
Definition
|
|
Term
| What happens to the LUN being added to the existing VMFS datastore when configuring an extent? |
|
Definition
|
|
Term
| What types of LUNs are valid extent candidates? |
|
Definition
| Any LUN that is NOT formatted as VMFS |
|
|
Term
| What option for increasing the size of a VMFS datastore allows for utilization of the space for snapshots, re-sizing, and thin provisioning? |
|
Definition
|
|
Term
| List the two storage design techniques for VMFS and virtual machine storage? |
|
Definition
|
|
Term
| Define the adaptive scheme for VMFS and virtual machine storage? |
|
Definition
| Using a fewer number of larger LUNs |
|
|
Term
| Define the predictive scheme for VMFS and virtual machine storage? |
|
Definition
| Using a larger number of smaller LUNs |
|
|
Term
| What options are available for mounting a replicated VMFS volume to an ESX host? |
|
Definition
| Keep the existing signature (Force-mount) or Assign a new signature (resignature) or Format the disk |
|
|
Term
| Which VMFS replica mount option is the equivalent of setting DisallowSnapshotLun = 0? |
|
Definition
| Keep the existing signature (Force-mount) |
|
|
Term
| Which VMFS replica mount option is the equivalent of setting EnableResignature = 1? |
|
Definition
|
|
Term
| True or False. A VMFS replica mounted with the “Assign new signature” option can be unmounted with no impact. |
|
Definition
|
|
Term
| What type of information can be gathered about VMFS datastores from the Storage Views tab in the vSphere Client? |
|
Definition
| Filesystem type, connectivity status, space used (%) , snapshot space (%), number of virtual disks, shared space (%), virtual disk space, swap space, other VM space |
|
|
Term
| What information is displayed in the default Storage Views Report? |
|
Definition
| A VM, Multipathing Status, Space Used, Snapshot Space, Disks |
|
|
Term
| An ESX administrator requests more storage from a storage administrator. The storage administrator e-mails the ESX administrator to let her know that a new 500GB LUN has been created and assigned to all of the ESX 4 servers in the cluster. What must be done first to allow the ESX 4 servers to recognize the new LUN? |
|
Definition
|
|
Term
| True or False. LUNs should not be partitioned into multiple partitions. |
|
Definition
| True. It is best practice to configure each LUN as a single partition VMFS volume. |
|
|
Term
| List the hardware requirements for vCenter. |
|
Definition
• 2.0 GHz or higher Intel or AMD processor
• 2GB RAM (more recommended if DB, VUM, Converter)
• 1GB disk space (2GB recommended)
• 1Gb network adapter (recommended)
• Windows XP, Windows Server 2003, Windows Server 2008 |
|
|
Term
| List the ports required by vCenter by default. |
|
Definition
• 80
• 389
• 443
• 636
• 902
• 903
• 8080
• 8443 |
|
|
Term
| What are the two types of vCenter licenses available? |
|
Definition
|
|
Term
| True or False. The system where vCenter is installed can belong to a Workgroup or an Active Directory domain. |
|
Definition
|
|
Term
| True or False. The system where vCenter is installed can be a physical computer or a virtual machine. |
|
Definition
|
|
Term
| List the various database engines that can be used to support a vCenter installation. |
|
Definition
• A Microsoft SQL Server 2008
• Microsoft SQL Server 2005
• Microsoft SQL Server 2005 Express Edition
• Oracle 10g
• Oracle 11g |
|
|
Term
| List the Microsoft SQL Server 2005 database requirements for installing vCenter. |
|
Definition
• MDAC 2.8 SP1 must be installed if installing vCenter on Windows XP
• Configure a valid DSN
• Remove MSXML Core Services 6.0 prior to install of vCenter (if present) |
|
|
Term
| True or False. Windows Authentication is supported for authenticating vCenter to the backend SQL Server database. |
|
Definition
| True, but you must specify a Windows account to run the vCenter Server service and configure the ODBC accordingly |
|
|
Term
| What type of ODBC connection should be created to allow vCenter Server to communicate with the SQL Server database? |
|
Definition
|
|
Term
| List the Microsoft SQL Server 2008 database requirements for installing vCenter. |
|
Definition
| MDAC 2.8 SP1 must be installed if installing vCenter on Windows XP, configure a valid DSN |
|
|
Term
| List the Microsoft SQL Server 2005 Express database requirements for installing vCenter. |
|
Definition
• (if present) remove SQL Native Client prior to install of vCenter,
• (if present) remove MSXML Core Services 6.0 prior to install of vCenter |
|
|
Term
| What is the maximum number of ESX hosts that can be managed by vCenter Server installed on 32-bit Windows Server 2003 Enterprise Edition? 64-bit Windows Server 2003 Enterprise Edition? |
|
Definition
|
|
Term
What is the maximum number of virtual machines that can be powered on from a
vCenter Server installed on 32-bit Windows Server 2003 Enterprise Edition? 64-bit
Windows Server 2003 Enterprise Edition? |
|
Definition
|
|
Term
| What is the maximum number of registered virtual machines for a vCenter Server installed on 32-bit Windows Server 2003 Enterprise Edition? 64-bit Windows Server 2003 Enterprise Edition? |
|
Definition
|
|
Term
| What is the maximum number of vCenter servers that can participate in vCenter Linked Mode? |
|
Definition
|
|
Term
| What feature of vCenter allows and administrator to view information about all inventory objects in the enterprise even if multiple vCenter Servers have been deployed? |
|
Definition
| vCenter Server Linked Mode |
|
|
Term
| List the two ways to configure vCenter in Linked Mode? |
|
Definition
1) During the install, choose the Join Linked Mode Group option
or
2) After the installation of vCenter use All Programs > VMware > vCenter Server Linked Mode Configuration |
|
|
Term
| What is the maximum number of hosts that can be managed through a vCenter Linked Mode configuration? |
|
Definition
|
|
Term
| What is the maximum number of powered on VMs for a vCenter Linked Mode configuration? |
|
Definition
|
|
Term
| What is the maximum number of registered VMs for a vCenter Linked Mode configuration? |
|
Definition
|
|
Term
| What is the maximum number of vSphere client connections for vCenter installed on 32- bit Windows Server 2003 Enterprise Edition? 64-bit Windows Server 2003 Enterprise Edition? |
|
Definition
|
|
Term
| What is the maximum number of hosts per datacenter? |
|
Definition
|
|
Term
| What vCenter tool can import third-party images as VMs? |
|
Definition
|
|
Term
| What ports must be open to allow vCenter Converter to convert a physical machine running Windows? |
|
Definition
|
|
Term
| What types of 3rd-party images can be converted into a VM? |
|
Definition
| Acronis True Image 9 and 10 files (.tib) and Norton Ghost 9, 10, and 12 (.gho) files |
|
|
Term
| List the additional functions of vCenter Converter? |
|
Definition
| Physical to virtual migrations, virtual to virtual migrations, and VCB image restorations |
|
|
Term
| Cloning a running server is referred to as ____ cloning, while cloning an offline server is referred to as ____ cloning. |
|
Definition
|
|
Term
| Hot cloning is also called ____ cloning, while cold cloning is also called ____ cloning. |
|
Definition
|
|
Term
| A server being cold cloned must be booted from the Enterprise Converter Boot CD which is built off of ____. |
|
Definition
|
|
Term
| What types of servers are good candidates for hot cloning? |
|
Definition
| Servers with static data sets (application servers, web servers) |
|
|
Term
| What types of servers are good candidates for cold cloning? |
|
Definition
| Servers with dynamic data sets (database servers, mail servers) |
|
|
Term
| List the advantages to installing vCenter in a VM? |
|
Definition
| can take advantage of VMware features like HA, VMotion, and vDR |
|
|
Term
| What is the vCenter Guided Consolidation feature? |
|
Definition
| vCenter Server module that can find, analyze, and consolidate systems |
|
|
Term
| What is the maximum number of systems that can be analyzed at once by the Guided Consolidation feature? |
|
Definition
|
|
Term
| How does the Guided Consolidation feature identify that system is a good virtualization candidate? |
|
Definition
| A confidence metric is generated which is calculated based on a comparison of system performance against available resources on the available ESX 4 hosts |
|
|
Term
| What is the formula used to calculate the size of the hard disk for the new VM created by vCenter Guided Consolidation feature? |
|
Definition
(amount of disk usage on physical disk) x 1.25 = (size of virtual disk)
If the physical disk is using 50GB then the resultant VMDK will be 62.5 GB
(50 x 1.25 = 62.5) |
|
|
Term
| What is the purpose of the vCenter Plug-in Manager? |
|
Definition
• Download and install plug-ins
• Review plug-ins that are already installed |
|
|
Term
| Under what circumstance must a legacy licensing server be installed with vCenter 4? |
|
Definition
| When vCenter 4 is managing ESX 3.x hosts |
|
|
Term
| What options are available for creating a Scheduled Task? |
|
Definition
• A Change the power state of a VM
• Clone | Deploy |Migrate |Create a VM
• Make a snapshot of a VM
• Add a host
• Change resource settings of a Resource Pool or VM
• Check compliance for a profile
• Import a machine
• Export a VM
• Scan for updates | Remediate |
|
|
Term
| What are the components in the vCenter access control model? |
|
Definition
| Users, roles, privileges, permissions |
|
|
Term
| From where does vCenter pull user accounts for assigning permissions? |
|
Definition
| Active Directory (if vCenter belongs to an AD domain) or Local Security Accounts Manager (SAM) |
|
|
Term
|
Definition
| A vCenter object that serves as a collection of privileges to be granted to members assigned to the role. |
|
|
Term
|
Definition
| A task that can be performed in vCenter |
|
|
Term
|
Definition
| A combination of user as a member of a role with defined privileges linked to an object in the vCenter inventory |
|
|
Term
| Which default vCenter role can assign permissions? |
|
Definition
|
|
Term
| What should you do if a default role provides more permission than necessary? |
|
Definition
| Clone the role and make the appropriate adjustments to the privileges |
|
|
Term
| True or False. When a role is cloned, all users in the base role are also included in the new role. |
|
Definition
| False. Cloning a role only clones the existing privileges configuration |
|
|
Term
| A user is logged in to vCenter, while the user account is deleted in the Active Directory database. What happens? |
|
Definition
| The user can remain connected to vCenter for 24 hours. If the user logs out they will not be able to log in again. |
|
|
Term
| What happens to a user’s vCenter permissions when the role that grants them permission is no longer available in vCenter? |
|
Definition
| The user can no longer authenticate into vCenter. |
|
|
Term
| True or False. A user that belongs to the Administrator role in vCenter has full control of the ESX host when connecting directly to the host using the vSphere Client. |
|
Definition
| False, the user won’t be able to log in to the ESX host without a local user account |
|
|
Term
| When is a user assigned the union of privileges assigned to a role? |
|
Definition
| When the user belongs to multiple groups with permissions assigned to the same object and those permissions do not compete with one another. |
|
|
Term
| True or False. The management capability of the vSphere WebAccess tool is the same if you connect to vCenter or an ESX 4 host. |
|
Definition
| False, connecting to vCenter provides VM access and management to all VMs while connecting to an ESX 4 host only provides access to the VMs on that host |
|
|
Term
| What option in the vSphere WebAccess tool allows for the creation of a URL that can directly access the remote console of a VM? |
|
Definition
| Generate Virtual Machine Shortcut |
|
|
Term
| List the files that make up a VM? |
|
Definition
• .vmx
• .vmdk
• -flat.vmdk
• .nvram
• .vmsd
• the VMs log files |
|
|
Term
| What is the maximum memory that can be configured for a VM? |
|
Definition
|
|
Term
| What is the maximum size of a virtual hard drive that can be configured for a VM? |
|
Definition
|
|
Term
| What is the maximum number of CPUs that can be configured for a VM? |
|
Definition
|
|
Term
| Can a VM have a number of vCPUs that exceeds the number of physical CPUs? |
|
Definition
|
|
Term
| What additional configuration options are available when creating a VM using the Custom option? |
|
Definition
| Configuration for CPUs, Memory, Network, SCSI controller, Disk Selection |
|
|
Term
|
Definition
| Maximum resource that the VMkernel can assign |
|
|
Term
| Do limits enhance or hinder performance for the VM defined with the limit? |
|
Definition
| Hinder, since the VM is limited in the amount of resource it can be granted by the VMkernel |
|
|
Term
|
Definition
| A VMkernel guarantee for an amount of a resource |
|
|
Term
| True or False. A VM will only power if it’s guarantee can be met. |
|
Definition
|
|
Term
| What is a virtual machines “available memory”? |
|
Definition
| The amount of RAM the virtual thinks it has |
|
|
Term
| What is the VMkernel swap file? |
|
Definition
| A per-VM file created when a VM is powered on used to allow the contents of physical RAM to be swapped |
|
|
Term
| How is the size of the swap file determined? |
|
Definition
| Available memory – reservation = swap file size |
|
|
Term
| True or false. By default a VMs swap file is equal to the amount of available memory configured for the VM. |
|
Definition
| True. Since the default reservation is 0, available memory – 0 = vswp size |
|
|
Term
| In addition to the memory used by the VM the VM uses an amount of memory as an operational cost known as the memory ____. |
|
Definition
|
|
Term
| What option is available for VM virtual disks to conserve disk space? |
|
Definition
|
|
Term
| How can you be proactive in monitoring thin provisioned VMs on a single LUN? |
|
Definition
| Create an alarm that monitors Datastore Disk Overallocation |
|
|
Term
| True or False. A virtual disk can be converted from a thin-provisioned disk to a thickprovisioned disk while the VM is powered on. |
|
Definition
|
|
Term
| How can a thick-provisioned disk be converted to a thin-provisioned disk while the VM remains online? |
|
Definition
|
|
Term
| True or False. A VM can use a thin-provisioned disk for the OS and a thick-provisioned disk for the data. |
|
Definition
| True, a VM can use a mixture of thin and thick-provisioned disks. |
|
|
Term
| Where can Disk Shares be configured? |
|
Definition
|
|
Term
| How does the Guided Consolidation identify virtualization candidates? |
|
Definition
| By calculating a Confidence Level based on collected data |
|
|
Term
| What child objects can be created within a vApp? |
|
Definition
| Resource pools, vApps, VMs |
|
|
Term
| True or False. Virtual machines stored on an NFS datastore are stored in a format determined by the filesystem of the NFS datastore. |
|
Definition
|
|
Term
| How can virtual machines be provided with direct access to a SAN LUN? |
|
Definition
|
|
Term
| What are the two configuration options for Raw Device Mapping? |
|
Definition
| Physical compatibility or virtual compatibility |
|
|
Term
| Which RDM compatibility mode allows VMware snapshots? |
|
Definition
| Virtual compatibility mode |
|
|
Term
| What must be done in order to allow customization for Windows VMs that are built from a template? |
|
Definition
| Sysprep must be (downloaded and) extracted into the vCenter Server computer. |
|
|
Term
| What must be done in order to allow customization for Linux VMs that are built from a template? |
|
Definition
| Install Perl in the Linux guest operating system used as the template |
|
|
Term
| How can a VM be configured to have direct access to a LUN on a storage array? |
|
Definition
|
|
Term
| What are the two modes available for RDM configuration? |
|
Definition
|
|
Term
| Which RDM mode allows VMware VM snapshots? |
|
Definition
|
|
Term
| If a VM is configured with a Raw Device Mapping (RDM) in Physical Compatibility mode is it possible to VMotion the VM? |
|
Definition
|
|
Term
| True or False. VMs can be cloned between datacenter objects. |
|
Definition
|
|
Term
| List 2 ways to reach the BIOS of a VM. |
|
Definition
| Press F2 during the boot process or edit the VM properties to allow a one time boot to the bios on next boot |
|
|
Term
| In what two ways can a VM’s files be moved to a new storage location? |
|
Definition
| Storage VMotion or Suspended VM migration |
|
|
Term
| Where can you configure how a VM responds when placed into standby? What are the standby options? |
|
Definition
Edit the settings of a VM | Options | Power Management
Suspend the VM or Put the guest OS into Standby and leave the VM powered on (with Wake on LAN capability) |
|
|
Term
| List the various virtual network adapter drivers available in ESX 4. |
|
Definition
• Flexible
• vmxnet
• enhanced vmxnet
• e1000
• vmxnet3 |
|
|
Term
| Which of the virtual network adapter drivers is only available with VM hardware version 7? |
|
Definition
|
|
Term
| How is logging disabled in a VM? |
|
Definition
| Edit Settings | Options | Advanced | General |
|
|
Term
| What VM option allows you to gain significant improvement by taking advantage of the Virtual Machine Interface? |
|
Definition
|
|
Term
| True or false. Paravirtualization only helps the guest OS if the disk holding the operating system installation uses the paravirtualized adapter. |
|
Definition
| False. The adapter is generally used with the data disk not the OS disk. |
|
|
Term
| What VM option allows a VM to be configured with a WWN and have access to Fibre Channel storage devices? |
|
Definition
| N-port ID Virtualization (NPIV) |
|
|
Term
| True or False. NPIV is only used for VMs that have/need RDMs. |
|
Definition
|
|
Term
| True or False. A VM with NPIV enabled cannot be part of the Storage VMotion process? |
|
Definition
|
|
Term
| True or False. A VM with NPIV enabled can only be part of the VMotion process if the RDM mapping file is in the same storage location as the configuration file. |
|
Definition
|
|
Term
| VMs are easily transported once they are converted into the ____ format. |
|
Definition
|
|
Term
| What is VMDirectPath I/O? |
|
Definition
| The ability to assign a VM to a piece of physical hardware (i.e. a network adapter) |
|
|
Term
| VM Direct Path PCI devices and memory management are made possible through the Virtualized ____. |
|
Definition
| Memory Management Unit (MMU) |
|
|
Term
| What is the impact on VMotion when a VM is configured for VMDirectPath I/O to a physical network adapter? |
|
Definition
| VMotion will no longer function for that VM |
|
|
Term
|
Definition
| A group of virtual machines built for a common application architecture that can be imported, exported, and managed as a single entity. |
|
|
Term
| What are the three IP Allocation Policies available for vApps? |
|
Definition
| DHCP, Fixed, and Transient |
|
|
Term
| What is character limitation for vApp names? |
|
Definition
|
|
Term
| What vSphere components can be updated with vCenter Update Manager? |
|
Definition
| Service Console, VM hardware, VM tools, guest operating systems |
|
|
Term
| What are the default baselines available in VUM? |
|
Definition
| VMware Tools Upgrade to Match Host, VM Hardware Upgrade to Match Host, VA Upgrade to Latest, VA Upgrade to Latest Critical |
|
|
Term
True or False. vCenter Update Manager will only update vCenter Server 4 if it is running
on Windows Server 2008. |
|
Definition
| False, vCenter Update Manager does not update vCenter Server |
|
|
Term
| What are the levels of update severity supported by VUM for host and VM patches? |
|
Definition
| Any, Unrated, Low, Moderate, Important, Critical, General, Security |
|
|
Term
| True or False. Upgrading from ESX 3.x to ESX 4 can be done by booting from DVD and selecting the Upgrade option. |
|
Definition
|
|
Term
| List the two ways to perform an ESX upgrade. |
|
Definition
| VMware Update Manager Upgrade Baseline or vSphere Client Host Update Utility |
|
|
Term
| When using VUM to perform an ESX upgrade, how does VUM integrate with DRS? |
|
Definition
| VUM upgrades one host at a time by placing the host into maintenance mode, migrating VMs, performing the upgrade, and removing the host from maintenance mode |
|
|
Term
| When a VM fails to remediate due to an unknown invalid state, what should be the first step to resolve the problem and allow remediation? |
|
Definition
| Restart the guest operating system |
|
|
Term
| What happens when a VM does not have enough disk space to apply a patch that is part of a scheduled remediation? |
|
Definition
| The VM remains in a state of non-compliance even after remediation is complete. |
|
|
Term
| True or False. If a VM is running applications that conflict with updates to be deployed in a remediation VUM will not apply the update and leave the VM in a non-compliant status. |
|
Definition
|
|
Term
| What ESX configuration options can be managed with a host profile? |
|
Definition
| Memory reservation, storage configuration, networking configuration, date and time configuration, firewall configuration, security configuration, service configuration, user configuration, user group configuration, and advanced configuration |
|
|
Term
| What versions of ESX support host profiles? |
|
Definition
|
|
Term
| True or false. A VM must be in maintenance mode to apply a host profile. |
|
Definition
|
|
Term
| List 2 ways to establish a host profile. |
|
Definition
| 1) install and configure a new ESX server and create a profile, 2) import an existing profile |
|
|
Term
| What is the file extension for a host profile? |
|
Definition
|
|
Term
| What happens when a DRS/HA cluster is checked for compliance but a host profile is not attached to the cluster? |
|
Definition
| vCenter will check Cluster Requirements Compliance (VMotion, FT logging, DPM, etc) |
|
|
Term
| What is the maximum number of hosts that can be put into a VMware HA cluster? |
|
Definition
|
|
Term
What happens to the VMs running on an ESX host that belongs to a fully automated DRS
cluster when the host is placed into maintenance mode? |
|
Definition
| The VMs will automatically be VMotioned to another host |
|
|
Term
| What happens to the VMs running on an ESX host that belongs to a partially automated DRS cluster when the host is placed into maintenance mode? |
|
Definition
| Nothing, the host will not reach maintenance mode until all VMs are powered off, suspended, or VMotioned manually. |
|
|
Term
| What types of events are covered by VMware HA? |
|
Definition
| An ESX server failure, an ESX server becomes isolated, a guest operating system fails |
|
|
Term
| VMware vCenter is required for the ____ and ____ of VMware HA, but not the ____ of VMware HA. |
|
Definition
| Configuration and management, execution |
|
|
Term
| True or False. If vCenter is running in a VM and resides on an ESX 4 host that fails, it must be manually powered back because VMware HA will not work without a running vCenter. |
|
Definition
| False, vCenter will be powered back on by another host in the HA enabled cluster |
|
|
Term
| Which VMware HA setting enforces the failover capacity defined for the HA cluster? |
|
Definition
| “Prevent VMs from being powered on if they violate availability constraints” |
|
|
Term
| Which VMware HA setting does NOT enforce the failover capacity defined for the HA cluster? |
|
Definition
| “Allow VMs to be powered on even if they violate availability constraints” |
|
|
Term
| Which HA setting is termed “strict admission control”? |
|
Definition
| Prevent VMs from being powered on if they violate availability constraints |
|
|
Term
| Which HA setting is termed “guaranteed admission control”? |
|
Definition
| Allow VMs to be powered on even if they violate availability constraints” |
|
|
Term
| List the three failover capacity settings for a VMware HA cluster. |
|
Definition
| 1) number of host failures allowed, 2) % of free space to maintain, and 3) specified ESX server hot spare |
|
|
Term
| How does VMware HA calculate the spare capacity required to maintain space for single host failover scenarios when and must maintain resource guarantees? |
|
Definition
| The highest CPU reservation and the highest memory reservation of any VM running within the cluster |
|
|
Term
| True or False. VMware HA will function if a cluster is made up of several ESX 4 hosts with Intel CPUs and several ESX 4 hosts with AMD CPUs. |
|
Definition
|
|
Term
| What options are available for minimizing the impact of constructing a DRS cluster with clusters that have processors that do not all support the NX/XD feature? |
|
Definition
| Edit the properties of each VM in the cluster and mask the NX/XD bit or enable Enhanced VMotion Compatibility (EVC) |
|
|
Term
| Where in the vSphere Client interface can VM CPU reservations and shares be adjusted for any VM in a cluster? |
|
Definition
| Resource Allocation tab of the cluster |
|
|
Term
| Where in the vSphere Client interface can VM Memory reservations and shares be adjusted for any VM in a cluster? |
|
Definition
| Resource Allocation tab of the cluster |
|
|
Term
| What is the purpose of a DRS affinity rule? |
|
Definition
| Keep VMs together on the same host |
|
|
Term
| What is the purpose of a DRS anti-affinity rule? |
|
Definition
| Keep VMs separated on different hosts |
|
|
Term
| What VMware feature provides zero downtime zero data loss availability for a VM? |
|
Definition
|
|
Term
| List the benefits of enabling VMware FT on a VM? |
|
Definition
• A (FT provides zero downtime, zero data loss)
• FT provides on-demand fault tolerance
• FT is easily enabled and disabled
• FT provides fault tolerance for VM running applications that are capable of being configured into a Microsoft Cluster (not “cluster aware”)
• FT provides fault tolerance in the event that ESX hardware fails |
|
|
Term
| True or False. VMware FT is only available on ESX 4. |
|
Definition
|
|
Term
| What type of virtual networking port is required for providing memory synchronization between ESX hosts that run primary and secondary VMs in an FT configuration? |
|
Definition
|
|
Term
| Can a VMkernel port support both VMotion and FT logging? |
|
Definition
|
|
Term
| What is the name of the technology used by VMware Fault Tolerance (FT) to keep RAM in sync between the host with the primary VM and the host with the secondary VM? |
|
Definition
|
|
Term
| List the VMware features not supported when a VM has FT enabled. (The features that would prevent a VM from having FT enabled.) |
|
Definition
• Multiple processors (SMP)
• Non-replayable devices
• (USB, physical floppy,
• physical CD)
• Paravirtualization enabled
• Snapshots
• Hot add
• Nested page
• tables/extended page tables
• Microsoft Clustering
• NPIV
• Vlance legacy network
• drivers
• Automatic DRS
• Storage VMotion
• VMDirectPath I/O |
|
|
Term
| What is the impact on VMware FT if the Host Monitoring is disabled on a VMware cluster with DRS and HA enabled? |
|
Definition
| If FT converts the secondary VM to primary due to failure, a new secondary will not be automatically configured |
|
|
Term
| What does it mean when the Summary tab of a VM identifies the FT status as “Not Protected”? |
|
Definition
| A secondary VM is missing or FT is currently turned off |
|
|
Term
| What vSphere features are not available for VMs with FT enabled? |
|
Definition
|
|
Term
| True or False. A cluster with some ESX hosts that have Intel processors and some ESX hosts that have AMD processors can still have a functioning HA configuration. |
|
Definition
|
|
Term
| List the different migration options for VMs. |
|
Definition
• VMotion
• Storage VMotion
• Suspended Migration
• Cold Migration |
|
|
Term
| What are the ESX host requirements for VMotion? |
|
Definition
| Both hosts must have access to all datastores in use by the VM, both hosts must have access to the same IP network, both hosts must have an accessible VMkernel port, both hosts must have similarly labeled VM port groups |
|
|
Term
| What are the VM requirements for VMotion? |
|
Definition
| VM cannot be connected to a non-shared datastore, VM cannot be connected to an internal-only vSwitch, VM cannot be part of a Microsoft cluster, VM cannot have CPU affinity configured, VM cannot be bound to physical hardware |
|
|
Term
| How does High Priority VMotion differ from Low Priority VMotion? |
|
Definition
| A High priority VMotion reserves resources for the VM on the source and destination hosts, low priority VMotion does not |
|
|
Term
| Which migration feature will solve LUN contention problems without experiencing a VM outage? |
|
Definition
|
|
Term
| What are the requirements for storage VMotion? |
|
Definition
| The host must have access to source and destination datastores, the VM cannot have existing snapshots, the VM cannot have NPIV enabled |
|
|
Term
| What is the purpose of a resource pool? |
|
Definition
| To manage and separate CPU and Memory resources from hardware, and to provide an object that can be used for access control and delegation |
|
|
Term
| Resource pools located within another resource pool are called ____ pools, while resource pools at the same level as another resource pool are called ____ pools. The resource pool that contains other pools is called the ____ pool. |
|
Definition
|
|
Term
| What is the purpose of an expandable reservation? |
|
Definition
| To allow the borrowing of resources from the ancestors of a resource pool. |
|
|
Term
| Why is a resource pool dangerous? |
|
Definition
| A rogue administrator could consume all available resources |
|
|
Term
| An expandable reservation offers a lot of flexibility to the ____ but a severe lack of protection to the ____. |
|
Definition
|
|
Term
| True or False. Inherently, a cluster is a resource pool. |
|
Definition
| True, it is the root pool, or the highest parent pool in the hierarchy |
|
|
Term
| What happens by default to all local Resource Pools on an ESX host when added to a cluster? |
|
Definition
|
|
Term
| Why would the option to create a resource pool not be available for an ESX cluster? |
|
Definition
|
|
Term
| True or False. The memory overhead for a VM counts towards the sum of resources being used within a resource pool. |
|
Definition
|
|
Term
| What new feature of vSphere allows the resource settings of a resource pool to be changed only when needed? |
|
Definition
| vSphere allows the creation of a Scheduled Task that alters the Shares, Reservation, or Limit of a resource pool (or VM) |
|
|
Term
| When configuring the settings of a resource pool, as seen in the exhibit, what does the yellow triangle indicate? |
|
Definition
| A Remaining resources available |
|
|
Term
| Which licensing options include the VMware Data Recovery appliance product? |
|
Definition
| vSphere Essentials Plus, vSphere Advanced, vSphere Enterprise, vSphere Enterprise Plus |
|
|
Term
| How is the VMware Data Recovery tool introduced to the vSphere environment? |
|
Definition
| The vDR appliance must be downloaded from VMware in OVF format and then imported into the vCenter inventory, the vDR client plug-in (VMwareDataRecoveryPlugin.msi) must be installed into the vSphere client |
|
|
Term
| True or False. Virtual Machines left in the ESX 3.5 hardware format can be backed up with the VMware Data Recovery appliance? |
|
Definition
| True. But the backup will take longer than the same VM in ESX 4 hardware format. |
|
|
Term
| What should be done on the console of an ESXi host when the vSphere client is unable to connect? |
|
Definition
| Restart the management agents |
|
|
Term
| What is the easiest way to gather diagnostic information to send to VMware support? |
|
Definition
| Use the vSphere client to export system logs |
|
|
Term
| True or False. Restarting the management agents on ESXi will cause all VMs to become unavailable. |
|
Definition
|
|
Term
| What service must be running to connect to an ESX host using the vSphere client? |
|
Definition
|
|
Term
| What command line tools can identify if the VMware host agent is running? |
|
Definition
| ps –ef | grep hostd or service mgmt-vmware status |
|
|
Term
| What management options are available from the homepage of an ESX 4 host? |
|
Definition
Download vSphere Client, Download VMware vCenter, access documentation, Log in
to Web Access, Browse Datastores, Download the Web Services SDK, Browse objects managed by this host |
|
|
Term
| You have configured an ESX host to boot from a LUN on an active/passive SAN. After installing the system will not boot. What should you do? |
|
Definition
| Edit the BIOS of the HBA to alter the storage processor used for LUN access or trespass the LUN back to the other storage processor |
|
|
Term
| True or False. Since ESX is built off a Red Hat Enterprise Linux kernel it is imperative that any new Red Hat patches be applied to ESX as soon as possible. |
|
Definition
| False, VMware will create and distribute all necessary patches and updates |
|
|
Term
| An administrator creates the first node of a Microsoft cluster and provides the VM with a new VMDK on a shared LUN. After adding the second node in the cluster he is experiencing issues with the shared disk. What should be done? |
|
Definition
| Remove the virtual disk using a VMDK and add a new disk as a Raw Device Mapping |
|
|
Term
| What is the maximum number of nodes that can be built into a Microsoft Cluster using VMs? |
|
Definition
|
|
Term
| What type of virtual NIC is required when constructing a Microsoft Server Cluster on Windows Server 2003 Enterprise Edition 32-bit? |
|
Definition
|
|
Term
| List the Virtual SCSI adapter requirements for constructing Microsoft Clusters with VMs. |
|
Definition
• LSI Logic Parallel for Windows Server 2003
• LSI Logic SAS for Windows Server 2008 |
|
|
Term
| What virtual NIC should be used for constructing Microsoft Clusters with VMs? |
|
Definition
| Leave the default NIC selection |
|
|
Term
| How should the I/O timeout values be set for VMs that are cluster nodes in a Microsoft Cluster? |
|
Definition
| Set the HKLM\System\CurrentControlSet\Services\Disk\TimeOutValue to 60 seconds or higher |
|
|
Term
| How should time synchronization be configured for the VMs in a Microsoft Cluster? |
|
Definition
| Synchronize the cluster nodes (and domain controllers) with an NTP server, disable the host-based time sync |
|
|
Term
| What disk format should be used to create disks in an eagerzeroedthick format when creating disks used by VMs ins Microsoft Cluster? |
|
Definition
| Create the VM using the Custom option and select the Support clustering features such as Fault Tolerance |
|
|
Term
| What tool can be used to test the connectivity of the Service Console? |
|
Definition
|
|
Term
| What tool can be used to test the connectivity of the VMkernel? |
|
Definition
|
|
Term
| What should you do when an NFS datastore is accessible but none of the .iso files stored in the NFS datastore will mount properly into a VM? |
|
Definition
| Remove the NFS datastore and add it back |
|
|
Term
| What key value can indicate I/O contention for a VM? |
|
Definition
| A high value for SCSI queue length |
|
|
Term
| How does vCenter identify a cluster in which the VMs are using more resources than the fixed reservation permits? |
|
Definition
| The cluster is marked with a red warning icon |
|
|
Term
| How do Topology Maps identify that a host is not capable of VMotion for a specific VM? |
|
Definition
| The host icon object has a red X identifying a VMotion incompatibility |
|
|
Term
| What tool can be used to test connectivity between VMkernel ports that are enabled for VMotion? |
|
Definition
|
|
Term
| What happens to an alarm created by a user that no longer has the rights to create the alarm? |
|
Definition
| Nothing happens, the alarm keeps working as it is supposed to |
|
|
Term
| What are the two ways to send notifications for alarms? |
|
Definition
|
|
Term
| In order to send e-mail responses to alarms what two pieces of information are required? |
|
Definition
| SMTP server name or IP address and the e-mail address of the sender |
|
|
Term
| What type of alarm should be created to track problems occurring with a network adapter that is suspected of being dysfunctional? |
|
Definition
Create an event-based alarm that monitors hosts, configure a trigger using the Lost
Network Connectivity object |
|
|
Term
| What can be done to track when a triggered alarm has been addressed? |
|
Definition
| Select the Alarms tab of an object, right-click the alarm, select Acknowledge Alarm |
|
|
Term
| What Alarm Settings should be configured to prevent needless re-alarms? |
|
Definition
Use the Range to avoid re-alarms from small fluctuations
Use the Frequency to avoid re-alarms that are repeats of a previous alarm |
|
|
Term
|
Definition
| A vCenter object that can provide notification of events that occur within vCenter |
|
|
Term
| What types of alarms can be created in vCenter? |
|
Definition
| Performance alarms and Event alarms |
|
|
Term
| True or false. If a vCenter user is removed from the role that granted the permission to create alarms all alarms the user created will become null and void. |
|
Definition
| False. The alarms will continue to function as normal |
|
|
Term
| What does it mean when a VM alarm state goes from green to yellow? |
|
Definition
| The VM has entered a warning state |
|
|
Term
| What does it mean when a VM alarm state goes from yellow to red? |
|
Definition
| The VM has entered an alert state |
|
|
Term
| Why would the Hardware Status tab not be available for an ESX host? |
|
Definition
| vCenter Hardware Status Plug-in is not enabled |
|
|
Term
| If a VM is showing a high Swap In value what can be done to eliminate any performance detriment resulting from the excessive swapping? |
|
Definition
| VMotion the VM to a new host or provide the virtual machine with a memory guarantee by setting a reservation |
|
|
Term
| What does it mean when the Task Manager utility inside of a VM shows 100% CPU utilization? |
|
Definition
| The VM is using 100% of the CPU it has been allocated by the VMkernel |
|
|
Term
| What feature of ESX provides for efficient use of memory by eliminating redundant memory pages use by VMs of similar guest operating systems? |
|
Definition
|
|
Term
| The VMkernel can reclaim unused memory from a guest operating system through the balloon driver, also referred to as ____. |
|
Definition
|
|
Term
| The vmmemctl driver is only available after the installation of the ____ into a guest operating system. |
|
Definition
|
|
Term
| By default what is the maximum amount of memory that can be reclaimed by the VMkernel using vmmemctl? |
|
Definition
| 65% or the VMs reservation (whichever comes first) |
|
|
Term
| True or False. If Task Manager inside a VM shows 40% of the VM memory is available the VM has plenty of physical RAM remaining to ensure optimal performance levels. |
|
Definition
| False, Task Manager does is not able to distinguish between physical RAM or swap that has been granted by the VMkernel, check vSphere performance counters for true RAM availability metrics |
|
|
Term
| A processor capability to schedule a single thread of execution is called a ____. |
|
Definition
| Hardware execution context (HEC) |
|
|
Term
| True or False. Each virtual CPU (vCPU) in a VM must be scheduled onto a HEC. |
|
Definition
|
|
Term
| What vSphere counter is a good indicator of CPU contention for a VM? |
|
Definition
| CPU Ready: the amount of time a VM is ready for CPU but has to wait b/c it is in use |
|
|
Term
| What new Perfmon counters are available for tracking physical resource usage inside of a VM? |
|
Definition
| VM Memory and VM Processor |
|
|
Term
| What can be done to eliminate excessive ballooning for a VM? |
|
Definition
| VMotion the VM to a new ESX host that is experiencing less memory contention |
|
|
Term
| What tool allows for the display of relationships between vSphere objects? |
|
Definition
|
|
Term
| True or False. vCenter Maps cannot be exported to images but can be printed to PDF. |
|
Definition
|
|
Term
| What relationships are available through vCenter Maps? |
|
Definition
• A Host to VM
• Host to Network
• Host to Datastore
• Fault Tolerance relationships
• VM to Network
• VM to Datastore |
|
|
Term
| What counter value identifies the actual memory in use by a VM? |
|
Definition
| Guest Memory (see exhibit in 8.8.5) |
|
|
Term
| What counter value identifies the amount of physical memory allocated to a VM? |
|
Definition
| Host memory (see exhibit) |
|
|
