Anna University Chennai B.E Computer Science and Engineering B.E/ B.Tech Degree Examination, April/May 2010, EC 1008- High Speed Networks Question paper

PART A-(10x2=20 marks)

1. What is the need for high speed LAN?

2. Mention the advantages and disadvantages of wireless LAN.

3. What are the types of gueuing models?

4. What are the causes of congestion?

5. What are features of GFR traffic?

6. What is the need for window management?

7. Mention the features of Integrated Services.

8. List the limitations of WFQ queuing discipline.

9. What is label stacking?

10. What are the goals of RSVP?

PART B-(16x5= 80 marks)

11.(a) Discuss the features of ATM and which aspects of the ATM network architecture depend on the
fixed-length nature of ATM cells? What happens if ATM cells are allowed to be variable in
length?

OR

(b) Discuss the main features of fast Ethernet and compare them with other types of high speed
LAN.

12.(a) Describe the queuing analysis and the various queuing models in the network traffic
management system.

OR

(b) Explain in detail the effects of congestion and the technique to be followed in the network
layer to deal with congestion.

13.(a)(i) Discuss in detail the various algorithms to improve the timer management mechanism of TCP.
(ii) Explain the performance of TCP over ATM.

OR

(b) Discuss the traffic control, traffic managements in ATM networks.

14.(a) Explain, with neat diagram, the significance, components, services and the architecture of
Integrated Services.

OR

(b) Explain the various queuing discipline and its limitations.

15.(a) Discuss in detail Data flow, operations and protocol mechanism of RSVP.

OR

(b) Explain the following:
(i) RTP
(ii) MPLS