B.TECH - Semester 7 computer networks Question Paper 2019 (jun)
Practice authentic previous year university questions for better exam preparation.
Sample Questions
- A bit string, 011110111111011111110 , needs to be transmitted at the data link layer. What is the string actually transmitted after bit stuffing?
- For ' $n$ ' devices in a network, What is the number of cable links required for a mesh, bus, ring and star topology?
- Describe the services offered by the Presentation Layer mansion the protocols supported by Presentation layer.
- Why leaky bucket algorithm should allow only one packet per tick independent of how large the packet is?
- Explain the significance of Binary Exponential Backoff Algorithm in 802.3 MAC sub layer.
- State the Optimality principle in the context of network routing. P.T.O.
- Draw the TCP header format, describe briefly.
- Discuss about Simple Network Management Protocol.
- What is the use of MIME in e-mail?
- Distinguish between SIP and H.323. ( $10 \times 4=40$ Marks ) PART - B Answer one question from each module.
- (a) Explain with a neat diagram Go Back n sliding window protocol. 12
- (b) What is framing. Explain the various methods for framing. 8 OR
- (a) Explain the TCP/IP reference model. List the name of protocols that supported by the TCP/IP model.
- (b) Describe briefly about the different data link layer protocols. Module - II
- (a) Discus the Link State Routing Algorithms.
- (b) Draw the diagram of FDDI frame format and explain the function of each field. OR 2 G - 3522
- (a) Describe Dijkstra's Algorithm.
- (i) Find the shortest path between node A and node H for the following (ii) figure (Fig.- Q1) by applying Dijkstra's algorithm. Show each step output. Fig - Q1
- (b) Explain any Two Traffic shaping algorithms.
- (a) Suppose your organisation is given the block $132.10 .194 .0 / 26$, which contains 64 addresses. The organisation has three departments and needs to divide the addresses into four subblocks of 32,16 and 16 addresses. Find out the configuration an...
- (b) Explain DNS.
- (a) Explain the addressing scheme in IPv4 and IPv6. When IPv6 is introduced, does the ARP protocol have to be changed? Explain.
- (b) Discuss about the different issues addressed by transport layer. $$ \text { ( } 3 \times 20=60 \text { Marks) } $$