by 
a. Which is not a network
protocol?
i. TCP/IP ii. HTTP iii. LAN iv. FTP
b. Which is not a network operating system?
i. MSDOS ii. Windows NT iii. Windows 2000 iv. None of them.
c. Which is the component of a network?
i. MSDOS ii. Hub iii. Volt guard iv. None of them.
d. Which is the connector of coaxial cable?
i. RJ 45 ii. BNC iii. ST iv. None of them.
e. An example of guided media is
i. Radio Wave ii. Infrared iii. Fiber-optics iv. Micro Wave
f. Which one is an appropriate network within a building?
i. WAN ii. MAN iii. LAN iv. All of them
g. The device used for connecting a computer to a telephone line is called
i. Modem ii. NIC iii. Router iv. Bridge
h. Which one is used to connect dissimilar networks?
i. Router ii. Bridge ii. Gateway iii. All of them
i. An example of unguided communication media is
i. Radio Frequency ii. Microwave ii. Both of them iii. None of them
j. TV broadcasting is an example for data transmitting
i. Half-duplex Mode ii. Simplex Mode iii. Full duplex mode iv. None of them
2.State whether the following statements are true or false:
a. Protocols are not required to exchange data between two different computers.
b. Full duplex mode allows simultaneous transmission of data in both directions.
c. Wire communication is suitable for Local Area Network.
d. The router filters and forwards information among different networks.
e. In a computer network, the data is passed from one computer to another by
means of cables or satellites.
f. A metropolitan area network (MAN) is a network of computers between two
different cities.
g. The computers in a network system share only software packages.
h. Connecting computers between two different countries is an example of
WAN.
3.Give the full forms of the following:
WAN, MAN, UTP, STP, POP, NIC, HTTP, MODEM, SMA, BNC
4. Match the following:
Group A Group B
Protocol Network within a building
LAN BNC
MAN RJ-45
Coaxial Central device for star topology
Cat 5 Rules to exchange data
Hub Network within a city
5. Answer the following questions:
a. Define data communication. What are the components of data communication?
b. Differentiate between simplex and half-duplex modes in communication.
c. Differentiate between bridge and router.
d. Define a computer network. Write any three advantages of it.
e. What are the three models of the network? Write about the client/server
model of the network.
f. What is a protocol? Write the names of common protocols of a network.
g. What is a NIC? Write its role in a computer network.
h. Define topology? Write about the star topology.
i. Write any two advantages and disadvantages of the bus topology.
j. Define LAN, MAN and WAN.
k. Differentiate between LAN and WAN.
l. Write the advantages and disadvantages of the star topology.
m. Differentiate between peer-to-peer and client server architecture.
6. Write the technical terms for the following:
a. Sending or receiving information between two or more persons
b. A system of transmission of sounds, images, texts or data in the form of
electronic signals
c. The path through which the sender makes communication to the receiver
d. Data can be transmitted in both directions but only in one direction at a time
e. Mode of transmission that transmits the data simultaneously in both directions
f. Terms used to describe the data handling capacity of a communication system
g. Cable lines through which data flows in a specified path
h. The data or signals transmitted through the air in the communication
i. Two or more computers connected with each other to share data and other
resources
j. The arrangement or connection patterns of computers or nodes and other
devices of the network
k. Interface between the NIC of the computer and the cable that passes data
from one computer to another computer
l. A device that amplifies the incoming signals, creates a new copy of it and
transmits the signals on the network
m. An intelligent device that connects two different networks
n. A device used to transfer the data of one computer to another using a
telephone line
o. A set of rules that the computers on a network must follow to communicate
and to exchange data with each other
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