BCS-061 TCP/IP Programming July – Dec 2011

Question 1: Draw the IP datagram header format. “IP datagram has a checksum field still its called unreliable protocol.” Justify. (3 Marks)

Question 2: Write a client and server program in C language using UDP, where client program interact with the Server as given below:

i) The client begins by sending a request to send a string of 8 characters or series of 7 numbers, the server sends back a characters or numbers as per the request of the client.
ii) In case of series of 7 numbers: The client sends a multiplication of numbers, to the server.
iii) In case of a string of 8 characters: The client sends a reverse order of string to the server..
iv) Server will send an acknowledgment to the client after receiving the correct answer. (6 Marks)

Question 3: What is an “internetwork”? State and compare internetworking devices used to connect different LAN segments. (3Marks)

Question 4: Compare flow control and congestion control. Why a choke packet is used? (3 Marks)
Question 5: Why would an application use UDP instead of TCP? Also, explain how can TCP handle urgent data? (3 Marks)

Question 6: Why do LANs tend to use broadcast networks? Why not use networks consisting of multiplexers and switches.
Get Free Answer

Question 7: Write short notes on following:
(i) ICMP.
(ii) IP Encapsulation
(iii) Sockets.
(iv) SNMP. (4 Marks)