ICTL MONTHLY TEST FORM 2 (2011)

Answer all the questions. NAME:………………………………………. CLASS:…………………

Choose the correct answer.

1. A ………………………… consists of two or more computers that are linked in order to share

resources.

A. Communications B. printers C. devices D. network

2. The computers on a network may be linked through………………………..or infrared light beams. i. cables ii. telephone lines iii. radio waves iv. Satellites A. i, ii B. i, ii, iii C. ii, iii D. i, ii, iii, iv LIST THE BENEFIT OF NETWORKING

A. File Sharing B. Sharing Devices C. Sharing Internet Access D. Speed

3. You can use the network to save copies of your important data on a different computer, examples share photos, music files and documents. …………………………

4. In computer network, students can access the internet simultaneously. ………………..

5. Using a network is faster way for sharing and transferring files. Without a network, files are shared by copying them to floppy disk. ……………………

6. Sharing devices is another benefit in which a network exceeds stand-alone computers. ……….

List Devices Needed in Computer Networks.

A. Hub B. Network Interface Card C. Connector D. Modem

7. A. connector used commonly to connect computers onto a local-area network. The connectors used for connecting telephone equipment. ………………………………

8. Short for modulator-demodulator. A device that enables a computer to transmit data over telephone or cable lines ……………………………………

9. A piece of computer hardware designed to allow computers to communicate over a computer network. ……………………………….

10. A central device that provides a common connection point for nodes on a network. ……………..

TYPES OF COMPUTER.

A. building B. two C. Local Area Network D. devices

……11…….. are groups of computers and network……12……….. connected together, usually within the same……13….. The simplest form of LAN is to connect……14…. computers together

15. ………..is a network that interconnect users with computer resources in a geographic area or

region larger than that covered by a local area network but smaller than the area

covered by wide area network

A. LAN B. MAN C. WAN D. DAN

……16……….is defined as a group of computers and network …17……connected across a large physical areas such as states or countries. Computers connected to a Wide Area Network are often connected through the telephone system. They can also be connected through leased lines or……18……... The largest WAN in existence is the …………19…………..

A. Wide Area Network B. satellites C. Internet. D. devices

Differences between Types of Computer Networks

Criteria 20 21 22

Cost Low High Higher

Network Size Small Larger Largest

Speed Fastest Faster Fast

A. WAN B. LAN C. MAN

Types Of Network Topology

A.

A……23…… is also known as star topology. A star network is designed with each node connected directly to a central network…24……. The hub will control the flow of ……25….in the network. If one of the nodes fails, the star network will still…..26…. as long as the hub is working.

A. Communication B. hub C. star network D. function

………27……is also known as ring topology. A ring network consists of all computers and other devices that are connected in a…28……. In a ring network, each node connects directly to the …29………nodes. If the device on a ring network fails, all the devices before the failed device are…30…….. but those after the failed device will not function.

A. Unaffected

B. loop

C. Ring network

D. neighbouring