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1
GATE CSE 2024 Set 2
MCQ (More than One Correct Answer)
+1
-0.33

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
-0.33

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 9 English

What is the number of subnets inside the enterprise network?

A
3
B
12
C
6
D
8
4
GATE CSE 2020
MCQ (Single Correct Answer)
+1
-0.33
Consider the following statements about the functionality of an IP based router.

I. A router does not modify the IP packets during forwarding.
II. It is not necessary for a router to implement any routing protocol.
III. A router should reassemble IP fragments if the MTU of the outgoing link is larger than the size of the incoming IP packet.

Which of the above statements is/are TRUE?
A
I and II only
B
II only
C
I only
D
II and III only
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GATE CSE Subjects
Discrete Mathematics
Mathematical Logic Probability Set Theory & Algebra Combinatorics Linear Algebra Graph Theory Calculus
Programming Languages
Basic of Programming Language Function and Recursion Pointer and Structure in C
Theory of Computation
Undecidability Finite Automata and Regular Language Push Down Automata and Context Free Language Recursively Enumerable Language and Turing Machine
Operating Systems
Process Concepts and Cpu Scheduling Synchronization and Concurrency File System IO and Protection Deadlocks Memory Management
Digital Logic
Number Systems Boolean Algebra K Maps Combinational Circuits Sequential Circuits
Computer Organization
Computer Arithmetic Memory Interfacing Pipelining Machine Instructions and Addressing Modes Alu Data Path and Control Unit IO Interface Secondary Memory
Database Management System
Er Diagrams Functional Dependencies and Normalization Structured Query Language Relational Algebra Transactions and Concurrency File Structures and Indexing
Data Structures
Arrays Stacks and Queues Linked List Trees Graphs Hashing
Computer Networks
Concepts of Layering Lan Technologies and Wi-Fi Data Link Layer and Switching Network Layer Routing Algorithm TCP UDP Sockets and Congestion Control Application Layer Protocol Network Security
Algorithms
Complexity Analysis and Asymptotic Notations Searching and Sorting Divide and Conquer Method Greedy Method P and NP Concepts Dynamic Programming
Compiler Design
Lexical Analysis Parsing Syntax Directed Translation Code Generation and Optimization
Software Engineering
Software Engineering
Web Technologies
Web Technologies
General Aptitude
Numerical Ability Logical Reasoning Verbal Ability
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