Question 1
(a)
What is protocol? How it is different than standard?
3 Marks
(b)
Explain different networking devices.
4 Marks
(c)
Draw and explain different layers of OSI Model.
7 Marks
Gujarat Technological UniversityWinter 2023 Examination
GTU 3150710 Computer Networks (CN) Winter 2023 Paper Solution & PDF
B.E. · Computer Engineering · Semester 5 · Subject Code: 3150710
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
Question 2
(a)
Find transmission delay for transmission of 1500 bytes (12000 bits) using a transmission rate of 100Mbps.
3 Marks
(b)
Differentiate between connection oriented and connection less service.
4 Marks
(c)
Explain different types of CSMA with suitable example.
7 Marks
OR OPTION
(c)
Explain HTTP and DNS in detail.
7 Marks
Question 3
(a)
Explain the term piggybacking and congestion.
3 Marks
(b)
Compare Datagram and virtual circuit.
4 Marks
(c)
What is IP address? Explain different classes of IP address.
7 Marks
OR OPTION
(a)
What is the functionality of Router, Bridge and Gateway?
3 Marks
(b)
What is subnet? What are the benefits of creating subnets?
4 Marks
(c)
Generate CRC code for message 1101010101. Given generator polynomial is x4+x2+1.
7 Marks
Question 4
(a)
What is store and forward packet switching?
3 Marks
(b)
What are the services provided to transport layer by the network layer?
4 Marks
(c)
Explain distance vector routing with suitable example.
7 Marks
OR OPTION
(a)
Explain the problem of Count-to-infinity with example.
3 Marks
(b)
Discuss optimality principle with example.
4 Marks
(c)
Explain Link state routing with suitable example.
7 Marks
Question 5
(a)
Explain LRC with suitable example.
3 Marks
(b)
Compare IPV4 and IPV6.
4 Marks
(c)
Explain the hierarchical DNS system.
7 Marks
OR OPTION
(a)
Explain flow and error control in TCP.
3 Marks
(b)
Compare TCP and UDP.
4 Marks
(c)
Write note on: 802.3 Ethernet.
7 Marks
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About this Examination Paper & Attribution
Official Gujarat Technological University (GTU) examination paper and step-by-step solutions for Computer Networks (CN) (Winter 2023, 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.