Computer Networks (GATE Computer Science): Questions 116 - 122 of 169

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Question number: 116

» Computer Networks » ISO-OSI Stack

MCQ▾

Question

Nodes are connected to which topology cable by drop lines and taps

Choices

Choice (4) Response

a.

Mesh topology

b.

Star topology

c.

Bus topology

d.

None of the above

Question number: 117

» Computer Networks » ISO-OSI Stack

MCQ▾

Question

Which mode both stations can transmit and receive simultaneously?

Choices

Choice (4) Response

a.

Half-duplex mode

b.

Simplex mode

c.

Full -duplex mode

d.

None of the above

Question number: 118

» Computer Networks » ISO-OSI Stack

MCQ▾

Question

Which connection provides a dedicated link between two devices?

Choices

Choice (4) Response

a.

Multipoint

b.

Link

c.

Point-to-point

d.

None of the above

Question number: 119

» 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: 120

» Computer Networks » ISO-OSI Stack

MCQ▾

Question

The power we use at home has a frequency of 80 Hz (70 Hz in Europe). What is the period of this sine wave?

Choices

Choice (4) Response

a.

78.3

b.

16.5

c.

12.5

d.

Question does not provide sufficient data or is vague

Question number: 121

» Computer Networks » ISO-OSI Stack

MCQ▾

Question

Which mode, each station can both transmit and receive, but not at the same time

When one device is sending, the other can only receive, and vice versa

Choices

Choice (4) Response

a.

Full-Duplex

b.

Simplex mode

c.

Half-duplex mode

d.

None of the above

Question number: 122

» 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

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