SRM University 2007 B.Tech Electronics and Communications Engineering Bank : Communication Protocols - Question Paper

4. Explain the Autonomous System Concept and hence the EGP protocol in detail.
5. Describe the Routing info Protocol in detail with its message header and kinds.
6. Explain the OSPF protocol in detail with the description of its message formats.
7. Write Short notes on:(i) Static Vs Dynamic Routers (ii) Core Vs Peer Gateways(iii) EGP Vs IGP protocols
8. Explain the ATM network architecture with the layers in detail.
9. Explain the ATM Adaptation layers in detail with its formats.
10. Write short notes on : (i) ATM ARP (ii) ATM Connection paradigms
UNIT-IV
PART A
1. Explain Client server model.
2. What is the difference ranging from client and server?
3. What is UDP echo server?
4. What is UDP echo client?
5. Differentiate UDP echo server and RARP server.
6. What is socket interface?
7. Give an example of an interface ranging from application program and TCP/IP protocol.
8. Write the difference ranging from file descriptor and socket descriptor.
9. What is socket abstraction?
10. Write the format to create and terminate a socket.
11. What is socket inheritance?
12. How does a queue length for a server specified?
13. Write the format to specify queue length and connecting socket.
14. What is wildcard?
15. What is the use of getprotoent, setprotoent and endprotoent?
16. What does excdesc and timeout specify in nready?
PART B
1. Explain an example for client server interaction in detail.
2. Explain the UNIX I/O paradigm and network I/O.
3. Explain socket abstraction in detail.
4. Explain specifying a local address in socket abstraction in detail.
5. Explain in detail how data is sent through a socket.
6. Explain in detail how data receiving is done through a socket.
7. Explain server connection in detail.
8. Explain in detail 4BSD UNIX network library calls.
9. Explain in detail how
(i) Obtaining info about host.
(ii) Obtaining info about network.
(iii) Obtaining info about protocol.
(iv) Obtaining info about network services.

UNIT- V
PART - A
1. What is network security, why security is must?
2. What are physical and abstract resources?
3. What are the various mechanisms for internet security?
4. Define firewall.
5. What is packet filter?
6. What is bastion Host?
7. What is the need of manual bypass in firewall mechanism?
8. List out various Security services.
9. What is data integrity?
10. What are the various categories of attacks?
11. List out various techniques used by firewall to control access.
12. What are the limitations of firewall?
13. List out the advantage of IPv6 over IPv4.
14. What are the various categories of address?
15. What is loop back address?
16. What are the 2 various formats used during transition from IPv4 to IPv6?
17. What are the various kinds of extension header?
18. What are the various fault reporting messages
19. What are the main features of IPv6 Protocol?
20. Give the IPv6 Protocol format.
21. What is the need for Fragmentation and Reassembly?
PART - B
1. Explain the IPv6 Protocol features and its format in detail.
2. Explain the following: (i) IPv6 routing (ii) Fragmentation and Reassembly.
3. Compare IPv4 and IPv6 protocol.
4. Explain IPv6 Addresses in detail.
5. Explain in detail the extension header in IPv6.
6. Explain Packet filter, elaborate the attacks made on packet filter router, provide its advantage and disadvantages.
7. Explain Firewall in detail.
8. What is network security, discuss the aspects of info security in detail.

Earning:   Approval pending.