BSc CSIT (TU) Science Computer Networks (BSc CSIT, CSC258) Question Paper 2075
This is the official BSc CSIT (TU) (Science stream) Computer Networks (BSc CSIT, CSC258) question paper for 2075, as set in the regular annual examination. It carries 60 full marks and a time allowance of 180 minutes, across 12 questions. On Kekkei you can attempt this Computer Networks (BSc CSIT, CSC258) past paper online with a timer, get instant AI feedback and step-by-step solutions, and track the topics where you lose marks — completely free. Whether you are revising for your BSc CSIT (TU) Computer Networks (BSc CSIT, CSC258) exam or solving previous years' question papers, this 2075 paper is a great way to practise under real exam conditions.
Section A: Long Answer Questions
Attempt any TWO questions.
Explain the distance vector routing algorithm. Discuss the count-to-infinity problem and the methods used to solve it.
Assume a Class B network. Divide it into four subnets. Write the subnet ID and broadcast address of each subnet and determine the new subnet mask.
What is TCP? Explain the TCP segment structure and the three-way handshake mechanism for connection establishment and termination.
Section B: Short Answer Questions
Attempt any EIGHT questions.
What is framing? Explain bit stuffing and byte stuffing.
Differentiate between the Stop-and-Wait and Sliding Window protocols.
Explain the difference between connection-oriented and connectionless services.
What is UDP? Explain the UDP header format.
Explain CIDR (Classless Inter-Domain Routing) with an example.
Differentiate between a hub, a switch, and a router.
What is ARP? Explain how ARP resolves a logical address to a physical address.
Explain the working of the HTTP protocol.
What is NAT? Explain its types and uses.