Download GTU BE/B.Tech 2019 Summer 4th Sem New 2140709 Computer Networks Question Paper

Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2019 Summer 4th Sem New 2140709 Computer Networks Previous Question Paper

1
Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER ?IV(NEW) ? EXAMINATION ? SUMMER 2019
Subject Code:2140709 Date:13/05/2019
Subject Name: Computer Networks
Time: 02:30 PM TO 05:00 PM Total Marks: 70
Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.

Q.1 (a) What do you mean by Client-Server Architecture? Discuss its
advantages and disadvantages.
03
(b) Define and explain following terms in brief:
(i) Delay (ii) Throughput (iii) Loss (iv) Protocol
04
(c) Differentiate IP Stack and OSI Reference Model with suitable
diagram.
07

Q.2 (a) What is congestion? List the approaches congestion control. 03
(b) Differentiate between Connection-Oriented and Connection-Less
Services
04
(c) Discuss your understanding of a Network Topology? Explain
different types of Network Topologies.
07
OR
(c) What is Routing Loop? Discuss Routing Loop Avoidance
Techniques.
07

Q.3 (a) Write short note on Domain Name Server (DNS). 03
(b) What is Socket? Explain its importance at Transport Layer Protocols. 04
(c) Explain Connection Establishment and Connection Release in
Transport Protocols.
07
OR
Q.3 (a) Discuss the principles of Reliable Data Transfer. 03
(b) What is HTTP? Compare its persistent and non-persistent types with
request-response behavior of HTTP.
04
(c) Explain Distance Vector Routing Algorithm. 07

Q.4 (a) Explain the working of Sliding Window Protocol. 03
(b) Compare IPv4 and IPv6. 04
(c) What is a Virtual Circuit Network? How it differs from circuit
switching network. Discuss with example.
07
OR
Q.4 (a) Explain Ethernet header with suitable diagram. 03
(b) What is IP address and what do you mean by Subnet? Enlist different
IP address Classes.
04
(c) Differentiate between Multiplexing and Demultiplexing with suitable
example.
07







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1
Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER ?IV(NEW) ? EXAMINATION ? SUMMER 2019
Subject Code:2140709 Date:13/05/2019
Subject Name: Computer Networks
Time: 02:30 PM TO 05:00 PM Total Marks: 70
Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.

Q.1 (a) What do you mean by Client-Server Architecture? Discuss its
advantages and disadvantages.
03
(b) Define and explain following terms in brief:
(i) Delay (ii) Throughput (iii) Loss (iv) Protocol
04
(c) Differentiate IP Stack and OSI Reference Model with suitable
diagram.
07

Q.2 (a) What is congestion? List the approaches congestion control. 03
(b) Differentiate between Connection-Oriented and Connection-Less
Services
04
(c) Discuss your understanding of a Network Topology? Explain
different types of Network Topologies.
07
OR
(c) What is Routing Loop? Discuss Routing Loop Avoidance
Techniques.
07

Q.3 (a) Write short note on Domain Name Server (DNS). 03
(b) What is Socket? Explain its importance at Transport Layer Protocols. 04
(c) Explain Connection Establishment and Connection Release in
Transport Protocols.
07
OR
Q.3 (a) Discuss the principles of Reliable Data Transfer. 03
(b) What is HTTP? Compare its persistent and non-persistent types with
request-response behavior of HTTP.
04
(c) Explain Distance Vector Routing Algorithm. 07

Q.4 (a) Explain the working of Sliding Window Protocol. 03
(b) Compare IPv4 and IPv6. 04
(c) What is a Virtual Circuit Network? How it differs from circuit
switching network. Discuss with example.
07
OR
Q.4 (a) Explain Ethernet header with suitable diagram. 03
(b) What is IP address and what do you mean by Subnet? Enlist different
IP address Classes.
04
(c) Differentiate between Multiplexing and Demultiplexing with suitable
example.
07







2


Q.5 (a) Explain CRC with example. 03
(b) How TDM and FDM are useful in Channel Partitioning? 04
(c) Discuss slotted ALOHA protocol in detail. 07
OR

Q.5 (a) Discuss the parity checks for error detection in data transfer. 03
(b) Differentiate broadcast and multicast with their functionalities. 04
(c) Explain IPV4 Datagram Format in detail with suitable diagram. 07

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