Saturday 14 January 2012

interent technology(3)


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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