Networks, Virtualization, & Cloud Computing [NTA-NET (Based on NTA-UGC) Computer Science (Paper-II)]: Questions 1 - 5 of 229

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Question number: 1

» Networks, Virtualization, & Cloud Computing » Network Fundamentals » Wireless Networks

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Appeared in Year: 2015

MCQ▾

Question

Which of the following services is not provided by wireless access point in 802.11 WLAN? (December)

Choices

Choice (4)Response

a.

Error Correction

b.

Disassociation

c.

Association

d.

Integration

Question number: 2

» Networks, Virtualization, & Cloud Computing » Data Communication » Transmission Media-Twisted Pair

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Appeared in Year: 2015

MCQ▾

Question

Four channels are multiplexed using TDM. If each channel sends 100 bytes/second and we multiplex 1 byte per channel, then the bit rate for the link is …………… (December)

Choices

Choice (4)Response

a.

400 bps

b.

1600 bps

c.

3200 bps

d.

800 bps

Question number: 3

» Networks, Virtualization, & Cloud Computing » Routing » Congestion Control

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Appeared in Year: 2015

MCQ▾

Question

Which of the following is not a congestion policy at network layer? (December)

Choices

Choice (4)Response

a.

Routing Algorithm

b.

Flow Control Policy

c.

Packet Lifetime Management Policy

d.

Packet Discard Policy

Question number: 4

» Networks, Virtualization, & Cloud Computing » Network Security » Cryptography-Public Key, Secret Key

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Appeared in Year: 2015

MCQ▾

Question

Using p = 3, q = 13, d = 7 and e = 3 in the RSA algorithm, what is the value of ciphertext for a plain text 5? (December)

Choices

Choice (4)Response

a.

21

b.

13

c.

None of the above

d.

33

Question number: 5

» Networks, Virtualization, & Cloud Computing » Network Fundamentals » Wireless Networks

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Appeared in Year: 2015

MCQ▾

Question

In a typical mobile phone system with hexagonal cells, it is forbidden to reuse a frequency band in adjacent cells. If 840 frequencies are available, how many can be used in a given cell? (December)

Choices

Choice (4)Response

a.

210

b.

120

c.

140

d.

280

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