Term
1. Which protocol is connection-oriented, and therefore uses a sequencing function to open up a port?
a) SPX
b) TCP
c) ICMP
d) UDP |
|
Definition
|
|
Term
2. Which statement best describes the functionality of a Voice over IP (VoIP) network?
a) Voice calls are sent over dedicated circuits that use TCP/IP.
b) Voice calls are sent for free over any network.
c) Voice calls are sent over a packet-based network that uses TCP/IP.
d) Voice calls are sent over a standard public service telephone network. |
|
Definition
| c) Voice calls are sent over a packet-based network that uses TCP/IP. |
|
|
Term
3. In the TCP/IP suite of protocols, which protocol is responsible for providing addresses for each computer?
a) HTTP
b) UDP
c) TCP
d) IP |
|
Definition
|
|
Term
4. You have noted a security threat to your company's network computers and telephony devices, so several employees are attempting to minimize damage. They are in a room that has multiple redundant connections and the ability to remotely control remote servers, workstations and network devices. What is the name for this type room?
a) Network Operations Center (NOC)
b) Peer-to-peer (P2P) network.
c) Internet Service Provider (ISP)
d) Internet Exchange Point (IXP) |
|
Definition
| a) Network Operations Center (NOC) |
|
|
Term
5. Tim's company has a server-based network. Server-based networks tipically contain centralized network resources, which are usually not available on peer-to-peer (P2P) networks. Which of the following examples describes a server-based network?
a) A client connecting to another computer over the internet to share music
b) Sharing one or more files with another computer via internet
c) Downloading a file by using BitTorrent technology
d) Three network clients connecting to a file server |
|
Definition
| d) Three network clients connecting to a file server |
|
|
Term
6. Jimmy is distributing a large video game file using BitTorrent. First, he uploads the initial file and makes it available via central center called tracker. Other users can then connect to the tracker and download the file. Each user who downloads the file makes it avaliable to the other users to download. Using BitTorrent significantly reduces Jimmy's hardware and bandwidth resource costs. BitTorrents is an example of a:
a) peer-to-peer (P2P) network
b) client-server network
c) centralized network
d) virtual private network (VPN) |
|
Definition
| a) peer-to-peer (P2P) network |
|
|
Term
7. Which of the following is used in packet-based networks to ensure that the packet is valid?
a) The application layer of the OSI/RM
b) The Cyclical Redundancy Check (CRC)
c) The header of the network packet sent on the network
d) The Media Access Control (MAC) address |
|
Definition
| b) The Cyclical Redundancy Check (CRC) |
|
|
Term
8. Which of the following monitors traffic and creates a barrier between a trusted network and an untrusted network?
a) Wireless access point
b) Switch
c) Firewall
d) Router |
|
Definition
|
|
Term
9. Which of the following is a generic model used to describe network communications so that properly created packets can be sent on a network?
a) The TIA/EIA 568 standard
b) TCP/IP
c) IPX/SPX
d) The OSI/RM |
|
Definition
|
|
Term
10. An end user visited a Web site and downloaded a page with serveral accompanying images. Which of the following is an element of TCP/IP used to download these files and images to the end user?
a) File Transfer Protocol (FTP)
b) Hypertext Transfer Protocol (HTTP)
c) Multipurpose Internet Mail Extensions (MIME)
d) Open Database Connectivity (ODBC) |
|
Definition
| b) Hypertext Transfer Protocol (HTTP) |
|
|
Term
11. Which of the following devices is necessary to crate a WAN?
a) A bridge
b) A hub
c) A channel Service Unit (CSU/DSU)
d) A router |
|
Definition
|
|
Term
12. Malcom works in the IT department of a large company. Its corporate network is spread out over several cities, and various departments are divided into subnetworks that are connected using routers. What type of network does Malcom's company use?
a) Internet Exchange Point (IPX)
b) Wide Area Network (WAN)
c) Local Area Network (LAN)
d) Virtual private network (VPN) |
|
Definition
| b) Wide Area Network (WAN) |
|
|
Term
13. Which network topology connects network nodes through a central device, usually a hub or a switch?
a) Hybrid
b) Ring
c) Mesh
d) Star |
|
Definition
|
|
Term
14. Considering the differences between LANs and WANs, which statement is true?
a) A LAN is a group of networked computers within a confined geographic area.
b) A LAN typically provides slower network connection speeds than a WAN.
c) A WAN is commonly used for intra-office communication.
d) A WAN is a group of networked computers within a confined geographic area. |
|
Definition
| a) A LAN is a group of networked computers within a confined geographic area. |
|
|
Term
15. What is another term for a high-speed backbone network connection on the internet?
a) Segment
b) Network Operations Center (NOC)
c) Internet Exchange Point (IXP)
d) Network Interface Card (NIC) |
|
Definition
| c) Internet Exchange Point (IXP) |
|
|
Term
16. You are traveling to a corporate office outside your country. You will need to connect to the corporate network. Which of the following will you most likely require to use your computer?
a) An adapter that translates between your country's version of Ethernet and the other country's version of Ethernet
b) A plug adapter
c) A Universal Serial Bus (USB) hub
d) A new computer adapted for use in that country |
|
Definition
|
|
Term
17. What is a local area network (LAN)?
a) A network that uses a switch to connect workstations to each other
b) A network that uses IPX/SPX to connect workstation s to each other
c) A network that uses one or more routers to connect workstations to each other.
d) A network that uses TCP/IP to connect workstation s to each other. |
|
Definition
| a) A network that uses a switch to connect workstations to each other |
|
|
Term
18. You are working with an Internet Service Provider (ISP) in London, England. You need to provide access to a Web server based in Stratford-Upon-Avon. You require a data transfer rate of at least 4.3 Mbps. Which service would you choose?
a) E1
b) T2
c) T1
d) E2 |
|
Definition
|
|
