Uttarakhand Technical University B.Tech Computer Science and Engineering Computer networks paper 2014

 UTU cse previous year Question papers 2014 Computer Networks

Course: B.Tech Computer Science and Engineering

University/board: Uttarakhand Technical University

you can see the utu Computer networks paper here of utu 2014 btech 5 sem year 2014

TCS-502

B.Tech

(Sem.V) DEC-2014

Computer Network

Time:3hours 

Total marks:100

Q1. Attempt any 4 questions:  5×4=20
a. What are the responsibilities of session layer?

b. What is the difference between service point address, logical address and physical address.

c. How do the layers of TCP/IP protocol suite correlate to the layers of OSI.

d. Discuss LRC and the type of errors it can and can't detect.

e. What is the difference between point to point and multipoint line configuration.

f. Explain the term networking and internetworking. Write application of computer network.


Q2. Attempt any 4 questions: 5×4=20
a. Explain in detail the TCP/IP reference modelm
b. What do you mean by the term"Quality of Service"(QoS).

c. What are the various design issues for the layers?

d. What is the ramainder obtained by dividing X^7+X^5+1 by the generator polynomial X^3+1?

e. Sketch the Manchester encoding for the bits stream
0001110101

Q4. Attempt any 2 questions: 10×2=20
a. Give two examples application for which connection oriented service is appropriate and connectionless service is best.

b. An ATM network uses a token bucket scheme for traffic shaping, a new token is put into the bucket every 5microsec.what is the maximum sustainable netdata rate (i.e. excluding header bit).

c.A large FDDI ring has 100 stations & a token rotation time of 40msec. The token holding time is 10 msec. What is the maximum achievable efficiency of the ring?


Q4. Attempt any 2 questions: 10×2=20
a. What do you mean by traffic shaping. Explain only one of the technique by which traffic can be shaped.

b. Explain open loop congestion control and closed loop congestion control in detail.

c. What is the difference between non persistent CSMA/CD & persistent CSMA/CD.


Q5. Attempt any 2 questions: 10×2=20
a. Explain IPV6 with suitable diagram. Is that possible to transmit data from IPV6 to IPV4? Justify your answer.

b. Consider building a CSMA/CD network running at 1 gbps over a 1 km cable with no repeaters.The signal speed in the cable is 200,000 km/sec. What is the minimum framesize.

c. Write short notes on the following:
1. Frame Relay
2.ISDN
3.Slotted ALOHA