FINALTERM EXAMINATION Fall 2008 CS610- Computer Network

FINALTERM EXAMINATION
Fall 2008
CS610- Computer Network
Question No: 21      ( Marks: 2 )
Is there a comparison between TCP/IP reference model and ISO reference model?
Answer:- Click here for detail
The main differences between the two models are as follows:
TCP/IP combines the presentation and session layer issues into its application layer.
TCP/IP combines the OSI data link and physical layers into the network access layer.
TCP/IP appears to be a simpler model and this is mainly due to the fact that it has fewer layers.
Question No: 22      ( Marks: 2 )
Does OSPF only share information within an area or does it allow communication between areas?
Answer:- rep
Question No: 23      ( Marks: 2 )
What are the implementations of Network Address Translation?
Answer:- rep
Question No: 24      ( Marks: 3 )
Describe the difference between static and dynamic routing?
Answer:- rep26
Question No: 25      ( Marks: 3 )
What is the first address in the block if one of the addresses is 140.120.84.24/20?
Answer:-
The first address is140.120.80.0/20
Question No: 26      ( Marks: 3 )
Write three new features of IPV6.
Answer:- (Page 111)
• IPV6 addresses are 128 bits.
• Header format is entirely different.
• Additional information is stored in optional extension headers, followed by data.
• Flow label and quality of service allows audio and video applications to establish appropriate connections.
• New features can be added more easily. So it is extensible.
Question No: 27      ( Marks: 5 )
What is the difference between an interior gateway protocol and an exterior gateway protocol? Name an
example of each.
Answer:- rep
Question No: 28      ( Marks: 5 )
As the Internet grew, the original Classful addressing scheme became a limitation, what is was the
designed solution.
Answer:- rep
Question No: 29      ( Marks: 5 )
What is IPv6 ADDRESS NOTATION?
Answer:- rep
Question No: 30      ( Marks: 10 )
LIST SOME CHARACTERISTICS OF A CLIENT.
Answer:- (Page 145)
CHARACTERISTICS OF A CLIENT:
The characteristics of a client are explained below:
 "Client is an arbitrary application program.
 "It becomes client temporarily.
 "It can also perform other computations.
 "It is invoked directly by the user.
 "It runs locally on the user’s computer.
 "It actively initiates contact with a server.
 "It contacts one server at a time.