Gujarat Technological UniversityWinter 2024 Examination

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

B.E. · Computer Engineering · Semester 5 · Subject Code: 3150710
Download Official GTU PDF
Share:
Total Marks70 MarksExternal theory exam
Passing Marks23 Marks33% minimum cutoff
Exam Duration2.5 Hours10:30 AM – 1:00 PM
Paper Structure5 QuestionsWith internal OR choices
Jump toQ1Q2Q3Q4Q5

Question 1

14 MarksMedium
(a)
Define the Following Terms:

1 Local area network

2Throughput
3Repeater
3 Marks
(b)
Explain various types of delay occur in transmission.
4 Marks
(c)

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

7 Marks

Question 2

14 MarksMedium
(a)
Write a short note on DNS and its resolution techniques.
3 Marks
(b)
Differentiate Circuit Switching and Packet Switching
4 Marks
(c)

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

7 Marks
OR OPTION
(c)
Explain SMTP protocol in details.
7 Marks

Question 3

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

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

1Telnet 2. SMTP 3. HTTP 4.DNS
4 Marks
(c)
Explain TCP Congestion control in detail
7 Marks
OR OPTION
(a)
How the encapsulation is done in the transport layer?
3 Marks
(b)
Explain flow control and Error Control.
4 Marks
(c)
Write short note on User datagram protocol.
7 Marks

Question 4

14 MarksMedium
(a)

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?
3 Marks
(b)
Compare virtual circuit networks and datagram networks
4 Marks
(c)
Describe Go Back N and Selective Repeat protocol.
7 Marks
OR OPTION
(a)
Differentiate connection oriented and connection less services.
3 Marks
(b)
Explain the following system calls.
i)socket ()
ii)bind ()
4 Marks
(c)
Draw and Explain IPv4 Datagram header fields.
7 Marks

Question 5

14 MarksMedium
(a)

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

3 Marks
(b)

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

1101Show that error is detected at the receiver side.
4 Marks
(c)

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

7 Marks
OR OPTION
(a)

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.

3 Marks
(b)
Explain bit stuffing with an example.
4 Marks
(c)
Explain importance of TCP segment structure and its fields.
7 Marks
College Exam Groups

Studying for Computer Networks?

Circulate this solved paper with KaTeX formulas and 1-click AI step solvers to your batchmates on WhatsApp or Telegram.

About this Examination Paper & Attribution

Official Gujarat Technological University (GTU) examination paper and step-by-step solutions 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.

Download PDF