Gujarat Technological UniversityWinter 2024 examination

GTU 3150710 Computer Networks (CN) Winter 2024 Question Paper & PDF

B.E. · Computer Engineering · Semester 5 · Subject code 3150710
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Total
70 marks
To pass
23 marks (33%)
Duration
2.5 Hours 10:30 AM – 1:00 PM
Questions
5 with internal choice
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15 of 25 questions on this paper were also asked in other years. 1 more is a type of question GTU sets again with new data. Each is marked below with the years it appeared.See all 36 repeated 3150710 questions, most asked first

Q.1

14 Marks
(a)
3 marks
Define the Following Terms:

1 Local area network

2Throughput
3Repeater
(b)
4 marksAsked in 4 of 7 papers
Explain various types of delay occur in transmission.

Also asked in Summer 2026 Q3b OR, Winter 2025 Q1b, Summer 2023 Q1b

(c)
7 marksAsked in 2 of 7 papers

List down different types of topology and explain any three topologies with advantages and disadvantages.

Also asked in Summer 2023 Q1c

Q.2

14 Marks
(a)
3 marksAsked in 2 of 7 papers
Write a short note on DNS and its resolution techniques.

Also asked in Summer 2024 Q2c OR

(b)
4 marksAsked in 2 of 7 papers
Differentiate Circuit Switching and Packet Switching

Also asked in Summer 2025 Q1a

(c)
7 marksAsked in 4 of 7 papers

Define HTTP and compare its persistent and non-persistent types with request-response behavior.

Also asked in Winter 2025 Q5b, Summer 2024 Q1b, Summer 2023 Q2c OR

(c)
7 marksAsked in 3 of 7 papers
Explain SMTP protocol in details.

Also asked in Summer 2026 Q1b, Summer 2024 Q2a

Q.3

14 Marks
(a)
3 marks
List down various services provided at transport layer
(b)
4 marks

Provide the Port number and Transport layer Protocol associated with the following Application Layer Services:

1Telnet 2. SMTP 3. HTTP 4.DNS
(c)
7 marks
Explain TCP Congestion control in detail
(a)
3 marks
How the encapsulation is done in the transport layer?
(b)
4 marksAsked in 3 of 7 papers
Explain flow control and Error Control.

Also asked in Winter 2023 Q5a OR, Summer 2023 Q3c OR

(c)
7 marksAsked in 2 of 7 papers
Write short note on User datagram protocol.

Also asked in Summer 2025 Q3c OR

Q.4

14 Marks
(a)
3 marks

Enlist IP address range and subnet mask value for class A, B and

CHow many hosts can be connected for the 188.21.0.0 network?
(b)
4 marksAsked in 4 of 7 papers
Compare virtual circuit networks and datagram networks

Also asked in Winter 2025 Q2b, Winter 2023 Q3b, Summer 2023 Q4b OR

(c)
7 marksAsked in 3 of 7 papers
Describe Go Back N and Selective Repeat protocol.

Also asked in Winter 2025 Q4c OR, Summer 2024 Q5c

(a)
3 marksAsked in 3 of 7 papers
Differentiate connection oriented and connection less services.

Also asked in Summer 2025 Q3a OR, Winter 2023 Q2b

(b)
4 marksAsked in 4 of 7 papers
Explain the following system calls.
i)socket ()
ii)bind ()

Also asked in Winter 2025 Q3b OR, Summer 2025 Q3c, Summer 2024 Q2b

(c)
7 marks
Draw and Explain IPv4 Datagram header fields.

Q.5

14 Marks
(a)
3 marks

Describe the distinctions between multicasting and multiple unicasting within network communication.

(b)
4 marksSame type asked in 3 of 7 papers

A CRC 100110001 is received by the receiver. The divisor value is

1101Show that error is detected at the receiver side.

Also asked in Summer 2025 Q5b OR, Winter 2023 Q3c OR

(c)
7 marksAsked in 4 of 7 papers

Define the term random access protocols? Explain slotted ALOHA in brief.

Also asked in Summer 2026 Q4b, Winter 2025 Q5a OR, Summer 2024 Q5c OR

(a)
3 marks

An ISP is providing 150.80.0.0/16 block to 2600 customers. What will be the assigned IP address 1002th customers if it provided in the sequence by that ISP.

(b)
4 marksAsked in 2 of 7 papers
Explain bit stuffing with an example.

Also asked in Summer 2024 Q5a

(c)
7 marksAsked in 3 of 7 papers
Explain importance of TCP segment structure and its fields.

Also asked in Winter 2025 Q3c OR, Summer 2024 Q3c OR

More Computer Networks papers

Questions repeat across sessions. Working through two or three papers shows you which topics GTU asks most.

Summer 202670 marks · 5 questions · Solved
Winter 202570 marks · 5 questions
Summer 202570 marks · 5 questions
Summer 202470 marks · 5 questions

Other Semester 5 subjects

BE Computer

2150703
Analysis and Design of Algorithms
2150704
Object Oriented Programming using JAVA
2150707
Microprocessor and Interfacing
3150703
Analysis and Design of Algorithms

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About this paper

Official Gujarat Technological University (GTU) examination paper for Computer Networks (CN) (Winter 2024, B.E. · Computer Engineering, Sem 5). Features complete 70-mark regular & remedial examination pattern, official marking distribution across all 5 questions, and direct 1-click official PDF download.

Transcribed for student exam preparation from Gujarat Technological University official examination archives. Questions, syllabus guidelines, and curriculum marking schemes remain the intellectual property of Gujarat Technological University.

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