Master of Science I (Computer Science.)
Examination: Oct Nov 2016 Semester II (New CBCS)
SLR No. Day
Date Time Subject Name Paper
No. Seat No.
SLR SC
309
Saturday
19/11/2016
10:30 AM
to
01.00 PM
Computer
Communication
Network
C
VI
Instructions: Question no. 1 and 2 are compulsory.
Attempt any three questions from Q.no.3 to Q.no.7.
Figures to the right indicate full marks.
Total Marks: 70
Q.1 Select the most correct alternative- 10
A network consists of
Hosts Transmission lines
Switching elements All of these
Network organized into Layers or Levels to
reduce design complexity form more bigger network
increase utilization of
resources
none of these
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
way to choose a route between given pair of routers, such that
it will be the shortest one.
Optimality Principle Shortest Path Routing
Static Routing Dynamic Routing
a processor that keeps track of all mobile hosts visiting to
that area.
Foreign Agent Home Agent
Visiting Agent Local Agent
in Berkeley Sockets creates a new end point and
allocates table space for it within transport entity.
SOCKET CREATE
END CONNECT
Page 1 of 2
In TCP service model, port numbers below 1024 are called
Well-known Ports Unknown Ports
Remote Ports Gigabyte Ports
Which of the following is not SMTP 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 kernel.
Main function of network layer is framing.
Domain names are case sensitive.
Q.2 Write short notes on: 08
ARPANET
Store and Forward Packet Switching
Answer the following: 06
Explain services provided by data link layer to network layer.
Explain the optimality principle for routing.
Q.3 Explain connection oriented and connectionless services with their service
primitives.
07
Explain architecture of internet in detail. 07
Q.4 What is one-bit sliding window protocol? Explain its working in normal case
and abnormal case.
07
Explain simplex stop and wait protocol in detail. 07
Q.5 Give the comparison of virtual circuit subnet and datagram subnet in detail. 07
Explain hierarchical routing with the example. 07
Q.6 Discuss about wireless TCP and UDP protocols in brief. 07
Explain the concept of remote procedure call in detail. 07
Q.7 Explain the architecture and services of e-mail. 07
Explain about HTTP protocol in detail. 07