Term
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Definition
| The professional certification established by CompTIA that verifies knowledge about PC operation, repair, and management |
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Term
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Definition
| A server that runs communications services that enable remote users to log on to a network. Also known as a remote access server. |
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| A number that uniquely identifies each workstation and device on a network. Without unique addresses, computers on the network could not reliably communicate. |
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Term
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Definition
| The process of centrally administering a finite number of network addresses for an entire LAN. Usually this task can be accomplished without touching the client workstations. |
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Definition
| The process of collecting and storing data on the number and type of software and hardware assets in a organization's network. The data collection is automated by electronically examining each network client from a server. |
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Term
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Definition
| The part of a network to which segments and significant shared devices (such as routers, switches, and servers) connect. A backbone is sometimes referred to as "a network of networks" because of its role in interconnecting smaller parts of a LAN or WAN. |
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Term
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Definition
| The process of copying critical data files to a secure storage area. Often, backups are performed according to a formulaic schedule. |
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Term
| CCIE (Cisco Certified Internetwork Expert) |
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Definition
| An elite certification that recognizes expert-level installation, configuration, management, and troubleshooting skills on networks that use a range of Cisco Systems' devices. |
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Term
| CCNA (Cisco Certified Network Associate) |
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Definition
| A professional certification that attests to one's skills in installing, configuring, maintaining, and troubleshooting medium-sized networks that use Cisco Systems' switches and routers. |
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Term
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Definition
| The process of mastering material pertaining to a particular hardware system, operating system, programming language, or other software program, then proving your mastery by passing a series of exams. |
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Term
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Definition
| A computer on the network that requests resources or services from another computer on a network. In some cases, a client could also act as a server. The term client may also refer to the user of a client workstation or a client software application installed on the workstation. |
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Term
| client/server architecture |
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Definition
| A network design in which client computers use a centrally administered server to share data, data storage space, and devices. |
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Term
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Definition
| A network that uses centrally administered computers, known as servers, to enable resource sharing for and to facilitate communication between the other computers on the network. |
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Term
| CompTIA (Computing Technology Industry Association) |
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Definition
| An association of computer resellers, manufacturers, and training companies that sets industry-wide standards for computer professionals. CompTIA established and sponsors the A+ and Network+ certifications |
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Term
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Definition
| One of several types of specialized devices that allows two or more networks or multiple parts of one network to connect and exchange data. |
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Term
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Definition
| The use of data networks to carry voice (or telephone), video, and other communications services in addition to data. |
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Definition
| A specialized server that enables clients to share applications and data across the network |
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Term
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Definition
| The functions of a file server that allow users to share data files, applications, and storage areas. |
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Term
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Definition
| A computer that enables resource sharing by other computers on the same network. |
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Definition
| A complex WAN that connects LANs and clients around the globe. |
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Term
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Definition
| The services that enable a network to communicate with the Internet, including Web servers and browsers, file transfer capabilities, Internet addressing schemes, security filters, and a means for directly logging on to other computers. |
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Term
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Definition
| A network of computers and other devices that is confined to a relatively small space, such as one building or even one office. |
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Term
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Definition
| The process of determining the number of copies of a single application that are currently in use on the network and whether the number in use exceeds the authorized number of licenses. |
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Term
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Definition
| The process of distributing data transfer activity evenly so that no single device is overwhelmed. |
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Term
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Definition
| A server that manages the storage and transfer of e-mail messages. |
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Term
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Definition
| The network services that manage the storage and transfer of e-mail between users on a network. |
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Term
| MAN (metropolitan area network) |
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Definition
| A network that is larger than a LAN, typically connecting clients and servers from multiple buildings, but within a limited geographic area. For example, a MAN could connect multiple city government buildings around a city's center. |
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Term
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Definition
| The network services that centrally administer and simplify complicated management tasks on the network. Examples of management services include license tracking, security auditing, asset management, address management, software distribution, traffic monitoring, load balancing, and hardware diagnosis. |
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Term
| MCITP (Microsoft Certified IT Professional) |
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Definition
| A professional certification established by Microsoft that demonstrates in-depth knowledge about Microsoft products. |
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Term
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Definition
| The main circuit board that controls a computer. |
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Term
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Definition
| A group of computers and other devices (such as printers) that are connected by and can exchange data via some type of transmission media, such as a cable, a wire, or the atmosphere. |
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Term
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Definition
| The professional certification established by CompTIA that verifies broad, vendor-independent networking technology skills, such as an understanding of protocols, topologies, networking hardware, and network troubleshooting. |
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Term
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Definition
| The functions provided by a network |
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Term
| NIC (Network interface card) |
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Definition
| The device that enables a workstation to connect to the network and communicate with other computers. NICs are manufactured by several different companies and come with a variety of specifications that are tailored to the workstation's and network's requirements. NICs are also called network adapters. |
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Term
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Definition
| A computer or other device connected to a network, which has a unique address and is capable of sending or receiving data. |
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Term
| NOS (network operating system) |
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Definition
| The sooftware that runs on a server and enables the server to manage data, users, groups, security, applications, and other networking functions. The most popular network operating systems are UNIX, Linux, and Microsft Windows Server 2008 R2. |
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Term
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Definition
| A discrete unit of information sent from one node on a network to another |
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Term
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Definition
| A network in which every computer can communicate directly with every other computer. By default, no computer on a peer-to-peer network has more authority than another. However, each computer can be configured to share only some of its resources and keep other resources inaccessible to other nodes on the network. |
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Term
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Definition
| The network service that allows printers to be shared by several users on a network. |
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Term
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Definition
| A standard method or format for communication between network devices. For example, some protocols ensure that data are transferred in sequence and without error from one node on the network to another. Other protocols ensure that data belonging to a Web page are formatted to appear correctly in a Web browser window. Still others encode passwords and keep data transmissions secure. |
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Term
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Definition
| A server that runs communications services that enable remote users to log on to a network. Also known as an access server |
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Term
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Definition
| A person working on a computer on a different network or in a different geographical location from the LAN's server. |
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Term
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Definition
| The devices, data, and data storage space provided by a computer, whether stand-alone or shared. |
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Term
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Definition
| The process of retrieving files from a backup. It is necessary to restore files if the original files are lost or deleted. |
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Term
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Definition
| The property of a network that allows you to add nodes or increase its size easily. |
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Term
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Definition
| The process of evaluating security measures currently in place on a network and notifying the network administrator if a security breach occurs. |
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Term
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Definition
| A part of a network. Usually, a segment is composed of a group of nodes that share the same communications channel for all their traffic. |
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Term
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Definition
| A computer on the network that manages shared resources. Servers usually have more processing power, memory, and hard disk space than clients. They run network operating software that can manage not only data, but also users, groups, security, and applications on the network. |
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Term
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Definition
| A way of exchanging data between computers that are not connected on a network. The term "sneakernet" was coined before the widespread use of networks, when data was copied from a computer to a removable storage device such as a floppy disk, carried (presumably by someone wearing sneakers) to another computer, then copied from the storage device onto the second computer. |
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Term
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Definition
| The skills such as customer relations, oral and written communications, dependability, teamwork, and leadership abilities, which are not easily measured, but are nevertheless important in a networking career. |
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Term
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Definition
| The process of automatically transferring a data file or installing a software application from the server to a client on the network. |
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Term
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Definition
| Unsolicited, unwanted e-mail. |
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Term
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Definition
| A computer that uses applications and data only from its local disks and that is not connected to a network. |
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Term
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Definition
| The physical layout of computers on a network. |
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Term
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Definition
| The data transmission and processing activity taking place on a computer network at any given time. |
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Term
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Definition
| The process of determining how much data transfer activity is taking place on a network or network segment and notifying administrators when a segment becomes overloaded. |
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Term
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Definition
| The means through which data are transmitted and received. Transmission media may be physical, such as a wire or cable, or wireless, such as radio waves. |
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Term
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Definition
| The centralized management of multiple types of network-based communications, such as voice, video, fax, and messaging services. |
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Term
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Definition
| A person who uses a computer. |
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Term
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Definition
| A network that spans a long distance and connects two or more LANs. |
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Term
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Definition
| A computer that manages Web site services, such as supplying a Web page to multiple users on demand. |
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Term
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Definition
| A computer that runs a desktop operating system and connects to a network. |
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Term
Which of the following is an advantage of using a client/server network over using a peer-to-peer network?
a. A client/server network is simpler to set up.
b. A client/server network allows resources to be managed centrally.
c. A client/server network does not require a network operating system.
d. A client/server network is less expensive to set up. |
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Definition
| b. A client/server network allows resources to be managed centrally. |
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Term
What is the primary function of a file server on a client/server network?
a. It monitors how many users are logged on to a WAN.
b. It manages access and use of shared applications and data.
c. It prevents unauthorized remote users from connecting to a LAN.
d. It routes traffic between two or more LANs. |
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Definition
| b. It manages access and use of shared applications and data. |
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Term
Suppose you wanted to share documents among several computers in your household in a peer-to-peer fashion. You could do that by properly configuring which of the following types of software?
a. Word-processing software
b. Remote authentication software
c. Mail client software
d. Operating system software |
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Definition
| d. Operating system software |
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Term
The first services widely used by networks were:
a. Fax services
b. Network management services
c. Mail services
d. File and print services |
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Definition
| d. File and print services |
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Term
On a client/server network, clients and servers usually require what to communicate?
a. A connectivity device
b. A Web site
c. A remote access server
d. A mail server |
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Definition
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Term
Your colleague, in describing the benefits of a client/server network, mentions that it's more scalable than a peer-to-peer network. What does she mean by this?
a. The client/server network can be more easily expanded.
b. The client/server network is simpler to set up.
c. The client/server network can be run on free software.
d. The client/server network allows more users to log on at one time. |
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Definition
| a. The client/server network can be more easily expanded. |
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Term
In which of the following environments would a WAN be most appropriate?
a. A large data center in which each employee's access is centrally controlled
b. A global hotel chain connecting its reservation desks to a central call center
c. A home office connecting its personal computers between the den, living room, and bedroom
d. A local newspaper connecting to a global news agency's Web site |
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Definition
| b. A global hotel chain connecting its reservation desks to a central call center |
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Term
Which of the following refers to the combination of voice (such as telephone), video, and data signals sent over the same network?
a. Switching
b. Remote access
c. Convergence
d. Network management |
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Definition
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Term
In networking, what does a packet refer to?
a. An electrical signal
b. A unit of data
c. An alarm
d. A way to connect a node with a network |
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Definition
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Term
How can a server distinguish between many clients on a network?
a. Each client is identified by a unique network address.
b. Each client regularly transmits a signal that indicates its network location and unique client characteristics.
c. Each client has a different electromagnetic characteristic to its signal, similar to differences in human voices.
d. Each client uses uniquely modified versions of the same network protocol. |
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Definition
| a. Each client is identified by a unique network address. |
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Term
What device connects a client computer to a network's medium, such as a wire?
a. Network line extender
b. Network terminator
c. Network junction clip
d. Network interface card |
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Definition
| d. Network interface card |
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Term
What elements of a network ensure that data arrive at their intended destination in the correct sequence?
a. Rings
b. Backbones
c. Protocols
d. File servers |
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Definition
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Term
The physical layout of nodes on a network is known as the network's:
a. Topology
b. Schematic
c. Formation
d. Grid |
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Definition
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Term
Which of the following is an example of a mail service?
a. Preventing unauthorized users from gaining access to the network and, in particular, to its mail server
b. Ensuring that users are not running more copies of an e-mail client than have been purchased
c. Exchanging messages between mail servers on different networks
d. Enabling users to print messages from their e-mail client software |
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Definition
| c. Exchanging messages between mail servers on different networks |
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Term
Which of the following network topologies is most common on today's networks?
a. Ring
b. Fan
c. Star
d. Bus |
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Definition
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Term
Security is a concern when using remote access servers on a network because:
a. Access servers enable computers to connect to a network and obtain access to its resources, thereby exposing the network to the outside world.
b. Access servers have poor password enforcement capabilities and rely on users to choose good passwords.
c. Access servers cannot accept encoded data transfers, requiring users to transmit plain text to and from the network.
d. Access servers are difficult to understand and support, and so many networks are using them incorrectly and perhaps insecurely. |
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Definition
| a. Access servers enable computers to connect to a network and obtain access to its resources, thereby exposing the network to the outside world. |
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Term
Which of the following is an example of asset management on a client/server network?
a. Ensuring that sensitive data is secured from unauthorized access
b. Assessing the peak activity times on a server and ensuring extra processing power is available at those times
c. Backing up critical data files on a regular basis
d. Determining how many handheld computers are in a company's warehouse |
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Definition
| d. Determining how many handheld computers are in a company's warehouse |
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Term
Distributing data transfer activity equally over several devices or components belongs to which category of network management services?
a. Traffic monitoring
b. Load balancing
c. Address management
d. File and print services |
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Definition
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Term
Apache is a popular example of what type of networking software?
a. License tracking
b. Web server
c. Backup
d. Mail server |
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Definition
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Term
What organization sponsors the CCNA and CCIE certifications?
a. Cisco
b. CompTIA
c. IEEE
d. WITI |
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Definition
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