M.Sc. (Computer Science)(Semester- II)
(CBCS) Examination, 2017
COMPUTER COMMUNICATION NETWORK
Day Date: Friday, 21-04-2017 Marks: 70
Time: 10.30 AM to 1.00 PM
N.B.: Question no. 1 and 2 are compulsory.
Attempt any 3 questions from Q. no. 3 to Q. no. 7.
Figures to the right indicate full marks.
Q.1 Choose correct alternatives. 10
Which of the following is an example of wireless network and
mobile computing both?
Desktop computers in offices
A notebook computer used in hotel room
Networks in unwired buildings
Store inventory with a handheld computer
Purpose of each layer is
Offer services to upper layer
Use services provided by lower layer
Reduce design complexity
All of theses
of datalink layer controls the way various
devices share the same medium.
Logical Link Control Medium Access Control
Shared Link Control Medium Shared Control
technique to check, transmitting entity does not
flood with the receiving entity.
Error control Flow control
Flooding De- flooding
If implemented then, packets are injected into
subnet individually and routed independently.
Connectionless service
Connection oriented service
Address resolution protocol
Access control protocol
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a processor that keeps track of all mobile hosts
within it's home area.
Foreign Agent Home Agent
Visiting Agent Local Agent
Newly created socket do not have addresses. These are
assigned using in Berkeley Sockets.
SOCKET BIND ASSIGN CONNECT
Which of the following statements is not true about TCP
protocol?
All TCP connections are full duplex and point-to-point
TCP does not support multicasting or broadcasting.
TCP connection is byte stream.
None of these
Which of the following is not SMPT command?
HELO RCPT HELP None of these
10) Which of the following is are part of URL?
Protocol name DNS name
File name All of these
State True or False. 04
Gateways are used for necessary translation in
interconnection of networks.
The transport entity can be located in the operating system
Shell.
Main function of network layer is routing.
Domain names are case insensitive.
Q.2 Write short notes of the following. 08
NSFNET
Flooding
Answer the following. 06
Explain flow control in data link layer.
Define web document. Explain about static web documents
and dynamic web documents.
Q.3 Answer the following.
Describe about wireless networks and also explain the concept
of PAN, wireless LAN and Wireless WAN.
07
Explain architecture of internet in detail. 07
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Q.4 Answer the following.
Explain the concept of sliding window protocol? Explain sliding
window protocol back n strategy.
07
What is framing? Explain the methods used for framing at data
link layer.
07
Q.5 Answer the following.
Give the comparison of virtual circuit subnet and datagram
subnet in detail.
07
Explain link state routing with the example. 07
Q.6 Answer the following.
Discuss the connection establishment mechanism at transport
layer.
07
Discuss about wireless TCP and UDP protocols in brief. 07
Q.7 Answer the following.
Explain about HTTP protocol in detail. 07
Explain the architecture overview of WWW in detail. 07