3. Internet Protocols
January-2004 [4]
1. Answer the following: (Attempt
any 7 parts)
c) “MIME
is only an extension of SMTP” – Justify. [4]
July-2004 [0]
January-2005 [0]
July-2005 [10]
1.
a) Write
down four main features of mobiles IP? [4]
4. Expand and
explain in detail any three of the following acronyms:
c) TCP/IP
Protocol [6]
January-2006 [4]
1.
a) What
is TCP/IP? Discuss the layers of TCP/IP. [4]
July-2006 [16]
3.
a) Discuss two protocols used for
transmitting data securely over the World Wide Web. [6]
6.
b) What is TCP? What are the features,
which makes TCP a reliable protocol? [4]
7.
b) Discuss Simple Mail Transfer Protocol. [6]
January-2007 [4]
1.
g) Why
is HTTP known as a stateless protocol? [4]
July-2007 [16]
3.
a) What is the layered architecture of the
Internet? In a wireless network, describe how each layer would be different
from a wired network.
[10]
7.
b) If an application uses TCP with IP,
would it be considered connectionless or connection oriented? What are the
problems with using TCP for real-time services (e.g. video conferencing?
Explain.
[6]
January-2008 [10]
1.
b) How
does the three-way handshake, for creating a TCP connector, works? [4]
5.
a) What is TCP? Connection termination in
TCP is symmetric, whereas connection establishment is not. Why?
[6]
July-2008 [30]
2.
a) Explain,
how a session layer establishes, maintains and synchronises the interaction
between two communicating hosts. [6]
3.
a) Why is IP called a best-effort delivery protocol? [6]
c) Discuss,
how the files can be copied across the network with FTP. What is the primary
difference between FTP and HTTP? [6]
6.
a) What is an Applet? How do they differ
from Applications? [6]
b) Describe how a message can be
authenticated using Public key encryption to ensure that the message was really
sent by a specific person or organization. [6]
January-2009 [10]
1.
b) What is SMTP? How it can be used to send spam? [4]
7. Write short notes on (any
three):
a) HTTP [6]
July-2009
[16]
1.
f) Explain why OSI layer are structured
into 7 layer model. [4]
4.
b) What is TCP? Connection termination in
TCP is symmetric, whereas connection establishment is not. Why? [6]
5.
a) What is the length of the header in a
TCP segment? What happens when a TCP segment arrives at a host for a
destination port that does not exist? What happens in case of a UDP datagram? [6]
January-2010 [4]
1.
g) Discuss the
purpose of Session Layer and Network Layer in the TCP/IP model? [4]
July-2010 [22]
1.
d) TCP/IP is
based on a four-layer reference model for communication over internet. List and
describe each layer and also write protocols working at each layer. [4]
4.
d) Discuss in
brief the main functions of data link layer. [6]
5.
a) Differentiate
between SNMP and SMTP protocols. [6]
6.
c) Is TCP
reliable? Is UDP reliable? Discuss. [6]
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