BSC CSIT Semester 4 – Computer Networks () Questions & Answers | Past TU Exam Papers

Question 1

Explain TCP header with a neat diagram. Highlight on its uses.

Marks: 10

Year: 2080 Final TU

TCP (Transmission Control Protocol) is a connection-oriented, reliable, and byte-stream transport layer protocol. It ensures that data is delivered accurately and in sequence between two communicati

Question 2

What is the difference between port and socket? Explain leaky bucket algorithm with example.

Marks: 5

Year: 2080 Final TU

Port vs Socket & Leaky Bucket Algorithm 1. Port vs Socket | Feature | Port | Socket | |----------------|--

Question 3

Explain TCP header with a neat diagram. Highlight on its uses.

Marks: 10

Year: 2080 Final TU

Difference Between Link State and Distance Vector Routing | Basis | Link State Routing | Distance Vector Routing | |-------|---------------------|---------------------------| | Information Shared | Ea

Question 4

What is socket programming? Explain tocket bucket algorithm with an example.

Marks: 5

Year: 2080 Final TU

Question 5

Why TCP is called a connection-oriented and reliable protocol? Differentiate TCP with UDP.

Marks: 5

Year: 2079 Final TU

Why TCP is Connection-Oriented and Reliable TCP (Transmission Control Protocol) is called connection-oriented because: 1. Before any data is sent, a connection is established between the sender and

Question 6

What is open-loop congestion control? Compare it with closed-loop congestion control.

Marks: 5

Year: 2078 Final TU

Open-Loop vs Closed-Loop Congestion Control 1. Open-Loop Congestion Control Definition: Open-loop congestion control prevents congestion before it happens. It uses policies and flow control mechani

Question 7

What do you mean by TCP push operation?

Marks: 5

Year: 2073 Final TU

TCP Push Operation Definition: The TCP Push (PSH) operation is a mechanism used in the Transmission Control Protocol (TCP) to prompt the immediate delivery of data to the receiving application, rath

Question 8

Discuss the relationship between transport layer and network layer. Discuss TCP as a transport layer protocol along with its segment structure.

Marks: 10

Year: 2072 Final TU

Relationship between Transport Layer and Network Layer The Transport Layer and the Network Layer are two important layers of the OSI Model that work together to provide end-to-end communication betwee

Question 9

Discuss the importance of congestion control in data communication.

Marks: 5

Year: 2072 Final TU

Introduction Congestion in a network occurs when the demand for resources (like bandwidth, buffers, or processing capacity) exceeds the network’s capacity. This leads to packet loss, delays, and deg

Question 10

Explain about connection-oriented network services.

Marks: 5

Year: 2081 Final TU

Connection-Oriented Service A connection-oriented service is a type of network communication in which a connection is first established between sender and receiver before any data is transmitted. It

Question 11

Explain the working mechanism of token bucket.

Marks: 5

Year: 2081 Final TU

What is a Token Bucket? The Token Bucket is a traffic shaping and rate control mechanism used in computer networks. It controls how much data a sender can transmit over the network, allowing bursts