Computer Networks
Concepts of Layering
Marks 1Marks 2
Data Link Layer and Switching
Marks 1Marks 2
Network Layer
Marks 1Marks 2
Application Layer Protocol
Marks 1Marks 2
Routing Algorithm
Marks 1Marks 2
TCP UDP Sockets and Congestion Control
Marks 1Marks 2
Lan Technologies and Wi-Fi
Marks 1Marks 2
Network Security
Marks 1Marks 2
1
GATE CSE 2024 Set 2
MCQ (More than One Correct Answer)
+1
-0

Which of the following fields of an IP header is/are always modified by any router before it forwards the IP packet?

A

Source IP Address

B

Protocol

C

Time to Live (TTL)

D

Header Checksum

2
GATE CSE 2024 Set 1
MCQ (More than One Correct Answer)
+1
-0

Which of the following fields is/are modified in the IP header of a packet going out of a network address translation (NAT) device from an internal network to an external network?

A

Source IP

B

Destination IP

C

Header Checksum

D

Total Length

3
GATE CSE 2022
MCQ (Single Correct Answer)
+1
-0.33

Consider an enterprise network with two Ethernet segments, a web server and a firewall, connected via three routers as shown below.

GATE CSE 2022 Computer Networks - Network Layer Question 14 English

What is the number of subnets inside the enterprise network?

A
3
B
12
C
6
D
8
4
GATE CSE 2021 Set 1
MCQ (Single Correct Answer)
+1
-0.33

Consider the following two statements.

S1 : Destination MAC address of an ARP reply is a broadcast address.

S2 : Destination MAC address of an ARP request is a broadcast address.

Which one of the following choices is correct?

A
S1 is tue and S2 is false.
B
Both S1 and S2 are false.
C
S1 is false and S2 is true.
D
Both S1 and S2 are true.
GATE CSE Subjects
Theory of Computation
Operating Systems
Algorithms
Digital Logic
Database Management System
Data Structures
Computer Networks
Software Engineering
Compiler Design
Web Technologies
General Aptitude
Discrete Mathematics
Programming Languages
Computer Organization