BACHELOR IN COMPUTER APPLICATIONS Term-End Examination
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December,2008
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cs-69: TCPIP PRocRAMMING
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Time: 2 hours Note :
1.
Maximum Marks : 60
Questionnumber 1 is compulsory. Answer any lwo questionsfrom the rest.
(u)
Which fields in IP datagram headerare used to identify a datagram in the Internet uniquely ?
2
(b)
What are the situations in which host needs to know its protocol address (e.g. IP address)through its physical address ?
4
(c)
What are the different query messagesin ICMP for network monitoring and
4
management ? (d)
Which fietd in IP header is used for Congestion Control and how ?
4
(e)
What are the purpose of following IP addresses?
4
(i)
0.0.0.0
(ii)
255.255.255.255
2.
(0
How multiplexing is handled by TCP ? Explain.
(e)
Why
TCP is called reliable and UDP unreliable ? What factors make TCP reliable ?
(h)
Explain the mechanism of opening active and passive control connection in FTP between the client and the server.
(a)
Explain the processof three way handshake method in TCP Connection establishment. Also, write how is it different from two wav a handshake method.
3.
(b)
Explain the concept of IP subnet addressing and masking with the help of an example for each.
(c)
Identify the classof following IP addresses: (i)
130.120.180.200
(ii)
195.2A5J9.75
(iii)
204.L1.0.50.20
(a)
How are ARP and RARP similar to each other ? Explain the advantage of ARP caching. AIso, explain the purpose of 'hardware typd and'protocol lutgth' fields in ARP packet.
(b)
What is meant by flow control ? Explain the mechanismsused by TCPfor Congestion Control and Flow Control.
4.
(u)
An IP datagram has arrived with the following first 16 bits of information in the header (in binary) as given below :
0 r 0 0 0 1 0 1 0 1 0 0 0 0X 1X 0X X . . .
l+-
First10bits+l
Answer the following: (i)
What is the size of header ?
(ii)
Are there any option ?
(1u) \ /hat is the precedenceof Datagram ? (i")
J.
What type of service, this datagram contains ?
(b)
In electronic mail, what is MIME ? Explain its purpose and functionality.
(.)
Explain the purpose of various fields used in DNS messageformat.
(a)
Explain the importance of the following header fields in UDP and TCP. (t
Window size
(ii)
Total packet length
("t
Urgent pointer
(b)
(c)
Write any two differences between each of the following pairs : (i)
'hardware typd and'protocol lutgth' fields in. ARP packet. (b) What is meant by flow control ? Explain. the mechanisms used by TCPfor Congestion. Control and ...
Programming and Design" , Raj Kamal, Publs.: McGraw-Hill,. Inc. 3. TCP/IP Stack. In TCP/IP suite of protocols, application layer transfers the data with ...
(b) How is internet mail access protocol 4. different from post office protocol ? Explain. BCS-061 3. Page 3 of 3. Main menu. Displaying TCP-IP Programming.pdf.
for example, is best understood in terms of UDP (Chapter 11), the protocol often ..... Registration services for the Internet (IP addresses and DNS domain names) ...
for information retrieval and conferencing purposes. Broadcast .... The protocol transfers data in the form of plain text, hyper text, audio, video and so on. 80.
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Page 2 of 733. Internetworking With TCP/IP. Vol I: Principles, Protocols, and Architecture. Sixth Edition. Page 2 of 733. Page 3 of 733. This page intentionally left ...
for data that couldn't be stored in TCP send buffer ... packet (wasting packets during slow start!) â overhead of TLS header & HTTP frame becomes bigger. 5 ...
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works with an external network by using Application-level Gateways [1] as the inter face. Different .... TCP/IP network to provide meaningful services. In this paper ...
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