Computer Networks-LAN Technologies (Ethernet, Token Ring) (GATE Computer Science): Questions 1 - 7 of 16

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Question number: 1

» Computer Networks » LAN Technologies (Ethernet, Token Ring)

MCQ▾

Question

Which area of network provides long-distance transmission of data, image etc over large geographic areas that may comprise a country and even the whole world.

Choices

Choice (4) Response

a.

WAN

b.

LAN

c.

MAN

d.

All of the above

Question number: 2

» Computer Networks » LAN Technologies (Ethernet, Token Ring)

MCQ▾

Question

The loss in a cable is usually defined in decibels per kilometer (dB/km). If the signal at the beginning of a cable with -0.5 dBlkm has a power of 6 mW, what is the power of the signal At 5 km?

Choices

Choice (4) Response

a.

4mW

b.

3mW

c.

8mW

d.

Question does not provide sufficient data or is vague

Question number: 3

» Computer Networks » LAN Technologies (Ethernet, Token Ring)

MCQ▾

Question

Digital-to-digital conversion involves three techniques are-

Choices

Choice (4) Response

a.

Line coding,

b.

Scrambling.

c.

Block coding

d.

All a. , b. and c. are correct

Question number: 4

» Computer Networks » LAN Technologies (Ethernet, Token Ring)

MCQ▾

Question

Which layer is responsible for providing services to the user?

Choices

Choice (4) Response

a.

Presentation layer

b.

Application layer

c.

Session layer

d.

All of the above

Question number: 5

» Computer Networks » LAN Technologies (Ethernet, Token Ring)

MCQ▾

Question

A twisted pair consists of ________ conductors.

Choices

Choice (4) Response

a.

Two

b.

One

c.

Three

d.

Four

Question number: 6

» Computer Networks » LAN Technologies (Ethernet, Token Ring)

MCQ▾

Question

A fiber-optic cable is made of ________and transmits signals in the form of light.

Choices

Choice (4) Response

a.

Glass or plastic

b.

Only glass

c.

Only plastic

d.

All of the above

Question number: 7

» Computer Networks » LAN Technologies (Ethernet, Token Ring)

MCQ▾

Question

Which area of network is a network with a size between a LAN and a WAN?

Choices

Choice (4) Response

a.

MAN

b.

WAN

c.

LAN

d.

All of the above

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