Computer Networks (GATE (Graduate Aptitude Test in Engineering) Computer Science): Questions 151 - 158 of 169

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Question number: 151

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

MCQ▾

Question

Which layer is responsible for movements of individual bits from one hop (node) to the next?

Choices

Choice (4) Response

a.

Data link layer

b.

Network layer

c.

Physical layer

d.

None of the above

Question number: 152

» Computer Networks » ISO-OSI Stack

MCQ▾

Question

The main functions performed by network layer (L3) protocols are

Choices

Choice (4) Response

a.

Routing and addressing

b.

Switching

c.

Gateway

d.

All of the above

Question number: 153

» Computer Networks » Network Security - Public Key and Private Key Cryptography

MCQ▾

Question

Networks are monitored by security personnel and supervised by who set (s) up accounts and passwords for authorized network users.

Choices

Choice (4) Response

a.

Network administrators

b.

administrators

c.

central government

d.

Password administrators

Question number: 154

» Computer Networks » ISO-OSI Stack

MCQ▾

Question

Packet transmission is related to

Choices

Choice (4) Response

a.

Data link layer

b.

Application layer

c.

Network layer

d.

None of the above

Question number: 155

» Computer Networks » Application Layer Protocols

MCQ▾

Question

Port number of SMTP is

Choices

Choice (4) Response

a.

243

b.

123

c.

80

d.

25

Question number: 156

» Computer Networks » ISO-OSI Stack

MCQ▾

Question

Internet accessed by

Choices

Choice (4) Response

a.

Dial up connection

b.

leased line

c.

ISDN

d.

All a. , b. and c. are correct

Question number: 157

» Computer Networks » Congestion Control

MCQ▾

Question

A high-speed transmission line that carries WAN traffic is called a:

Choices

Choice (4) Response

a.

P2PN

b.

X. 25 line

c.

Backbone

d.

None of the above

Question number: 158

» Computer Networks » ISO-OSI Stack

MCQ▾

Question

In case of Bus/Tree topology signal balancing issue is overcome by

Choices

Choice (4) Response

a.

Modulation

b.

Polling

c.

Segmentation

d.

None of the above

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