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Previous Year Question Paper

CSIT-501 - Computer Networking

November 2023•CSIT•SEMESTER-5
November 2023
Max Marks: 70
Duration: 3 Hours
Instructions:

• Attempt any five questions.

• All questions carry equal marks.

Q.1
a)Unit 1

Describe the OSI model along with function of each layer. Also Give the similarities and differences of OSI with TCP/IP Model.

b)Unit 1

Compare Connection oriented and connectionless service.

Q.2
a)Unit 3

Explain the working principle of ARP and RARP with suitable example.

b)Unit 2

Briefly discuss about data link layer design issues.

Q.3
a)Unit 2

Discuss about Stop and wait protocol flow control technique.

b)Unit 2

What is Pure ALOHA and slotted ALOHA? How the efficiency of slotted ALOHA is twice that of pure ALOHA? Derive it.

Q.4
a)Unit 3

What is the format of IPv4 header? Describe the significance of each field.

b)Unit 3

A company is granted the site address 181.56.0.0 (class B). The company needs 1000 subnets. Design the subnets.

Q.5
a)Unit 3

Explain the following routing algorithms in detail:

i) Least cost

ii) Dijkstra's

iii) Bellman-Ford

b)Unit 4

Discuss the various timers used by TCP to perform its various operations.

Q.6
a)Unit 4

The UDP header in hexadecimal format is as : 0632000D001CE217 Obtain the following from it:

i) Source port number

ii) Destination port number

iii) Total length

iv) Length of the data

v) Name of client process

b)Unit 4

Discuss about process to process delivery service of TCP.

Q.7
a)Unit 4

Discuss about TCP connection establishment and termination with suitable diagram. alt=''

b)Unit 5

Explain the working of Electronic mail. How SMTP used in Email applications.

Q.8
a)Unit 2

Write a short notes on any two:

i) Piggybacking and Pipelining

ii) ICMP Message Types

iii) FDDI

iv) DHCP

a) i)Unit 2

Piggybacking and Pipelining

a) ii)Unit 3

ICMP Message Types

a) iii)Unit 2

FDDI

a) iv)Unit 5

DHCP