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Welcome to the Networking MCQs Page

Dive deep into the fascinating world of Networking with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Networking, a crucial aspect of GATE CSE Exam. In this section, you will encounter a diverse range of MCQs that cover various aspects of Networking, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within GATE CSE Exam.

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Check out the MCQs below to embark on an enriching journey through Networking. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of GATE CSE Exam.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Networking. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Networking MCQs | Page 12 of 15

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Q111.
A serial transmission Ti uses 8 information bits, 2 start bits, 1 stop bit and 1 parity bit for each character. A synchronous transmission T2 uses 3 eight bit sync characters followed by 30 eight bit information characters. If the bit rate is 1200 bits/second in both cases, what are the transfer rates of Ti and T2?

a.

100 characters/sec, 153 characters/sec

b.

80 characters/sec, 136 characters/sec

c.

100 characters/sec, 136 characters/sec

d.

80 characters/sec, 153 characters/sec

Discuss
Answer: (c).100 characters/sec, 136 characters/sec
Q112.
In a sliding window ARQ scheme, the transmitter's window size is N and the receiver's window size is M. The minimum number of distinct sequence numbers required to ensure correct operation of the ARQ scheme is

a.

min (M, N)

b.

max (M, N)

c.

M + N

d.

MN

Discuss
Answer: (c).M + N
Q113.
Which one of the following protocols is NOT used to resolve one form of address to another one?

a.

DNS

b.

ARP

c.

DHCP

d.

RARP

Discuss
Answer: (c).DHCP
Q114.
Identify the correct sequence in which the following packets are transmitted on the network by a host when a browser requests a webpage from a remote server, assuming that the host has just been restarted.

a.

HTTP GET request, DNS query, TCP SYN

b.

DNS query, HTTP GET request, TCP SYN

c.

DNS query, TCP SYN, HTTP GET request

d.

TCP SYN, DNS query, HTTP GET request

Discuss
Answer: (c).DNS query, TCP SYN, HTTP GET request
Q115.
A firewall is to be configured to allow hosts in a private network to freely open TCP connections and send packets on open connections. However, it will only allow external hosts to send packets on existing open TCP connections or connections that are being opened (by internal hosts) but not allow them to open TCP connections to hosts in the private network. To achieve this the minimum capability of the firewall should be that of

a.

A combinational circuit

b.

A finite automaton

c.

A pushdown automaton with one stack

d.

A pushdown automaton with two stacks

Discuss
Answer: (d).A pushdown automaton with two stacks
Q116.
Which protocol will be used to automate the IP configuration mechanism which includes IP address, subnet mask, default gateway, and DNS information?

a.

SMTP

b.

DHCP

c.

ARP

d.

TCP/IP

Discuss
Answer: (b).DHCP
Q117.
In Go–back 3 flow control protocol every 6th packet is lost. If we have to send 11 packets. How many transmissions will be needed ?

a.

10

b.

17

c.

12

d.

9

Discuss
Answer: (b).17
Q118.
What will be the total minimum bandwidth of the channel required for 7 channels of 400 kHz bandwidth multiplexed together with each guard band of 20 kHz?

a.

2800 khz

b.

2600 khz

c.

3600 khz

d.

2920 khz

Discuss
Answer: (d).2920 khz
Q119.
Which of the following is false:

a.

Digital signature is used to verify that a message is authentic

b.

Digital certificate is issued by a third party

c.

Digital certificate ensures integrity of the message

d.

Digital signature ensures non-repudiation

Discuss
Answer: (c).Digital certificate ensures integrity of the message
Q120.
The subnet mask for a particular network is 255.255.31.0. Which of the following pairs of IP addresses could belong to this network?

a.

172.57.88.62 and 172.56.87.233

b.

10.35.28.2 and 10.35.29.4

c.

191.203.31.87 and 191.234.31.88

d.

128.8.129.43 and 128.8.161.55

Discuss
Answer: (d).128.8.129.43 and 128.8.161.55
Page 12 of 15

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