Punjab Engineering College 2005 B.Tech Advanced Internet Technology - Question Paper

May 2005
ADVANCED INTERNET TECHNOLOGY
(B. Tech sixth SEMESTER)

Time three hours
Maximum Marks: 60

Note: part A is compulsory. Attempt any 4 ques. from part B and any 2 ques. from part C.

Section- A Marks: two every (10 * 2=20)

1.

1. provided a net mask of 255, 222, 25, 0. How many subnets are available?
2. elaborate the advantages of doing reassembly at the ultimate destination instead of doing it after the datagram travels across 1 network?
3. What is the need for pre-assigned UDP port numbers?
4. What is the special case in which a host connected to an Ethernet need not use ARP or an ARP cache before transmitting an IP datagram?
5. How is a TCP socket various from a UDP socket?
6. How Silly Window Syndrome is avoided in TCP?
7. What is RED?
8. What type of info is there in routing tables?
9. What is maximum size of TCP header?
10. What is encapsulation?

Section- B Marks: five every (5 * four =20)

2. discuss in detail the working of ARP. Specify a special case where thee is no need of ARP for communication.

3. discuss the structure of ICMP message format. Should ICMP fault message contain a time stamp that specify when they are sent? discuss.

4. What do you mean by CIDR? discuss with the help of suitable example.

5. List and discuss briefly the application layer protocols of TCP/IP.

6. Why a node in a network has got both a MAC address and an IP address? discuss.

Section- C Marks: 10 every (10 * 2=20)

7. Compare the individual fields of IPv4 with IPv6 header. Account for the functionality given by every IPv4 field by showing how the identical functionality is given in IPv6?

8. define in detail the working of every layer of the TCP/IP layered structure? In which way the flow control at network interface differ from flow control at transport layer?

9. Write short notes on any 2 of the following:

1. SLIP
2. UDP
3. DNS

Earning:   Approval pending.