MSCCS-11
June Examination 2016
MSCCS (Final) Examination
Data Communication and Networks
Paper MSCCS-11
Time 3 Hours Max. Marks 100
Note: The question paper is divided into three sections B and C. Write answers as per given instructions.
Section A 10 × 2 20
(Very Short Answer Questions)
Note: Answer all questions. As per the nature of the question delimit your answer in one word, one sentence or maximum upto 30 words. Each question carries 2 marks.
What is Thinnet?
Which layer is responsible for process to process communication?
List the advantages of using optical fibre.
What is piggybacking?
What is the use of PING command in ICMP?
Name the layers of TCP/IP model.
List the desirable properties of Router.
673
MSCCS-11 300 3 (P.T.O.)
MSCCS-11 300 3 (Contd.)
673
(viii) IPv4 uses bit address.
Give the definition of burst data.
Name the four general techniques to improve QoS (Quality
of Service)
Section B 4 × 10 40
(Short Answer Questions)
Note: Answer any four questions. Each answer should not
exceed 200 words. Each question carries 10 marks.
Compare distance vector and Link-state Routing with suitable
example.
What do you mean by Tunnelling? Explain with example.
Explain the relation between Transport layer and Network
Layer.
What is the need of Multiplexing and De-multiplexing?
Write short note on Simple Mail Transfer Protocol (SMTP).
What is Hamming Code? Demonstrate how the Hamming
code is used to correct a single-bit error in the data stream.
Discuss the applications of ATM (Asynchronous Transfer
Mode).
What is topology? Discuss various type of topology.
MSCCS-11 300 3
673
Section C 2 × 20 40
(Long Answer Questions)
Note: Answer any two questions. You have to delimit your each
answer maximum upto 500 words. Each question carries
20 marks.
10) What is Routing? Explain any two routing protocols.
11) What are the principles of Cryptography? Discuss some
methods used for security in Computer Network.
12) What do you mean by protocol stack? Discuss similarities
and dissimilarities between OSI reference model and TCP/IP.
13) Distinguish between the following:
Bridges and Switches
(ii0 CSMA and CSMA/CD