M.Sc. (Semester II) (CBCS) Examination Nov/Dec-2018
Computer Science
COMPUTER COMMUNICATION NETWORK
Time: 2½ Hours Max. Marks: 70
Instructions: 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
The IETF standards documents are called
RFC RCF
ID None of the mentioned
In the layer hierarchy as the data packet moves from the upper to the
lower layers, headers are
Added Removed
Rearranged Modified
ICMP is primarily used for
Error and diagnostic functions Addressing
Forwarding None of the mentioned
The data link layer takes the packets from and encapsulates
them into frames for transmission.
network layer physical layer
transport layer application layer
Header of a frame generally contains
Synchronization bytes Addresses
Frame identifier All of the mentioned
Which one of the following is a data link protocol?
Ethernet Point to point protocol
HDLC All of the mentioned
Application layer protocol defines
types of message exchanged
message format, syntax and semantics
rules for when and how processes send and respond to messages
all of the mentioned
Which protocol is a signaling communication protocol used for
controlling multimedia communication sessions?
Session initiation protocol
Session modeling protocol
Session maintenance protocol
None of the mentioned
In computer network nodes are
A process in one device is able to exchange information with a
process in another device.
A process is running on both devices
PIDs of the processes running of different devices are same
None of the mentioned
Page 2 of 2
SLR-VG-215
10) Which one of the following protocol delivers/stores mail to receiver
server?
Simple mail transfer protocol
Post office protocol
Internet mail access protocol
Hypertext transfer protocol
State true/false 04
The IMEI standards documents are called Request For Comments.
Transmission data rate is decided by Physical layer.
User datagram protocol is called connectionless because all TCP
packets are treated independent by transport layer.
The network layer concerns with packets.
Q.2 Write short notes on following. 08
Protocol Stack
Crash Recovery
Answer the following 06
Jitter
Piggybacking
Q.3 Answer the following. 14
Describe the Simplex Stop-and Wait Protocols
What is Internet? Explain Data link layer in the Internet.
Q.4 Answer the following. 14
Describe the Broadcast Routing in details
Write note on IPV6 and Mobile IP.
Q.5 Answer the following. 14
Describe in details Transport services and Transport service primitives.
Explain TCP protocol and TCP Connection Establishment.
Q.6 Answer the following. 14
Write note on Architecture and services of Electronic mail.
Write a note on Error Correction with example.
Q.7 Answer the following. 14
Write a short note on link state routing algorithm.
What humming code? How they used in computer network explain with
example.