Computer Network and Telecommunication Assignment Class 10

 1. Answer the following questions.

a) What is a computer network? How it is useful?

b) List any four advantages of Computer Network.

c) Mention differences between client/server architecture and peer to peer

architecture of the network.

d) List out three disadvantages of computer network.

e) Define bandwidth. How is it measured?

f) Differentiate between LAN and WAN.

g) "Internet is called network of network." Justify in your own language.

h) Explain protocol with its examples.

i) What are three models of Network? Write about client/server model of

Network.

j) What is network topology? Write about star topology with suitable diagram.

k) Draw and briefly explain about client-server network.

l) What is communication media? Differentiate between bounded and

unbounded media.

m) Give reasons that "Computer network reduces the cost of operation."

2. Write the full form of.

i) ARPANET ii) STP iii) UTP iv) SMA v) SC vi) NIC vii) MODEM viii) LAN ix) MAN x) WAN

xi) TCP/IP xii) HTTP xiii) SMTP xiv) WWW xv) POP xvi) FTP xvii) URL xviii) ISP xix) ATM xx) E-mail xxi) E-fax   xxii) E-commerce 

3. Give appropriate technical terms of the followings.

a) Data transmission in one direction only that is to send or receive only

b) Device used to connect a PC with a telephone line

c) A network limited with a room or building

d) The computer on which users run applications

e) Cabling structure of LAN

f) Each computer or device on a network

g) A device that controls two dissimilar networks

h) The amount of data that can be transmitted through communication channels

in a fixed time period

i) A server where incoming emails are collected in mailbox

j) A computer that provides services to other computer

k) Operating system that can handle network

l) A cable that transmits light signals

m) Connection of two or more computers to share information

n) The network of networks

o) Sending and receiving messages electronically through the Internet

p) Buying and selling of goods, products, or services over the Internet

q) The websites that search documents for specified keywords in WWW

r) A port on the back of the system unit to connect a computer in network

4. Choose the correct answer

a. Which is not a communication media?

 i) wire ii) microwave iii) satellite iv) NIC

b. A hub is connected in……..

 i) Ring Topology ii) Bus Topology

 iii) Star Topology iv) None of above

c. A ………… is two or more LANs connected together, generally across a

large geographical area.

i) CAN ii) MAN iii) WAN iv) SAN

d. A term relating to sending data to a satellite is……

 i) downlink ii) modulate iii) uplink iv) download

e. Which communication media is the highest bandwidth?

 i) Twisted pair ii) Co-axial cable

 iii) Fiber optics iv) Microwave

f. Which is the service of Internet?

 i) IRC ii) Telnet iii) Email iv) All of above

g. Which is bounded media?

 i) fiber optic ii) microwave iii) infrared iv) laser

h. ……… is used to transfer file from one computer to another through Internet.

 i) FAQ ii) IRC iii) FTP iv) TPF

i. Which is the service of remote login?

 i) Video Conference ii) FTP

 iii) Telnet iv) TCP/IP

j. The connection pattern of computers in network is…….

 i) protocol ii) topology iii) twisted pair iv) all of them

k. Which is the network software?

 i) POP ii) FTP iii) TCP/IP iv) Unix