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Computer Networks
Concepts of Layering
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Data Link Layer and Switching
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Network Layer
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Application Layer Protocol
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Routing Algorithm
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TCP UDP Sockets and Congestion Control
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Lan Technologies and Wi-Fi
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Network Security
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1
GATE CSE 2025 Set 1
MCQ (Single Correct Answer)
+1
-0.33

Identify the ONE CORRECT matching between the OSI layers and their corresponding functionalities as shown.

OSI Layers Functionalities
(a) Network layer (I) Packet routing
(b) Transport layer (II) Framing and error handling
(c) Datalink layer (III) Host to host communication

A
(a)-(I), (b)-(II), (c)-(III)
B
(a)-(I), (b)-(III), (c)-(II)
C
(a)-(II), (b)-(I), (c)-(III)
D
(a)-(III), (b)-(II), (c)-(I)
2
GATE CSE 2014 Set 3
MCQ (Single Correct Answer)
+1
-0.3
In the following pairs of OSI protocol layer/sub-layer and its functionality, the INCORRECT pair is
A
Network layer and Routing.
B
Transport layer and End-to-end process communication.
C
Data Link Layer and Bit synchronization.
D
Medium Access Control sub-layer and Channel sharing.
3
GATE CSE 2013
MCQ (Single Correct Answer)
+1
-0.3
Assume that source S and destination D are connected through two intermediate routers labeled R. Determine how many times each packet has to visit the network layer and the data link layer during a transmission from S to D. GATE CSE 2013 Computer Networks - Concepts of Layering Question 6 English
A
Network layer – 4 times and Data link layer – 4 times
B
Network layer – 4 times and Data link layer – 3 times
C
Network layer – 4 times and Data link layer – 6 times
D
Network layer – 2 times and Data link layer – 6 times
4
GATE CSE 2012
MCQ (Single Correct Answer)
+1
-0.3
The protocol data unit (PDU) for the application layer in the Internet stack is
A
Segment
B
Datagram
C
Message
D
Frame
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Questions Asked from Marks 1
GATE CSE 2025 Set 2 (1) GATE CSE 2025 Set 1 (1) GATE CSE 2014 Set 3 (1) GATE CSE 2013 (1) GATE CSE 2012 (1) GATE CSE 2010 (1) GATE CSE 2004 (1)
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