Page 15 - Code Craft Computer-8

Knowledge Check

A. Mark the correct response. OMR Sheet

1. A network in which two or more computers are connected within Use only blue/black ball
a small area such as a room is called pen to fill the circles. It
should be darkened
a. WAN b. MAN completely and properly.
Wrong methods
c. LAN d. none of these
Correct method
2. A network which is organised around a person is known as

a. LAN b. WAN
1. a b c d
c. MAN d. PAN
3. A computer which provides services to the clients and controls
access to hardware, software and other resources is known as 2. a b c d
a. client b. server

c. node d. workstation
3. a b c d
4. In which year were twisted pair cables invented?

a. 1881 b. 1882
c. 1883 d. 1884 4. a b c d

5. Coaxial cables were invented in:
a. 1879 b. 1880 5. a b c d

c. 1881 d. 1882

B. Gap-fill exercise.
1. In _____________ topology, a single cable known as backbone or bus carries all the data.

2. The _____________ serves as a medium to exchange information between a computer and
the Internet through telephone lines.

3. _____________ has a ROM chip that contains a unique number, which is the hardware
address or the MAC address.
4. A _____________ is a computer network that is spread across cities, countries and
continents.
5. In a _____________ network a few computers of similar power and capacity are connected
together.

C. True and False assessment.
1. In bus topology, all computers are connected by cables to a central device called hub
or switch.

2. In Mesh topology, every computer is connected to every other computer on the
network.
3. There are two general levels of network security.

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