Anna University Chennai 2007 M.E Optical Communication AN 1630 - HIGH PERFORMANCE COMMUNICATION NETWORKS - Question Paper

M.E. DEGREE EXAMINATION, MAY/JUNE 2007.
Second Semester
Computer and Communication
AN 1630 - HIGH PERFORMANCE COMMUNICATION NETWORKS
(Common to M.E. - Applied Electronics, M.E. - Communication Systems and M.E. - Optical Communication)
(Regulation 2005)
Time: 3 hours
Maximum: 100 marks

ans ALL ques..
PART A - (10 x two = 20 marks)
1. Define the term round trip propagation delay.

2. What is a media interface controller?

3. State the primary difference ranging from N-ISDN and B-ISDN.

4. How are ATM cells multiplexed?

5. Name the ATM layers.

6. State the difference ranging from in band and out of band signaling.

7. What is a scatternet?

8. What is the function of host controller interface?

9. What is pruning?

10. State the principle of reverse path forwarding.


PART B - (5 x 16 = 80 marks)

11. (a) (i) . With circuit schematic, discuss the architecture and working principle ofIEEE 802.11 WLANs. (8)

(ii) explain how data transmission is done in DQDB. (8)

Or
(b) (i) discuss the various features of SMDS. Also state 3 SIP levels and their functions. (8)

(ii) List the layers of OSI model and briefly discuss the function of every layer.(8)

12. (a) (i) Draw a comparison ranging from the 3 B-ISDN access method. (8)

(ii) Briefly discuss the principle and connection features of ISDN. (8)

Or

(b) (i) define the call control; protocol architecture at the ISDN user network interface. (8)

(ii) discuss the features oflink layer protocol (LAPD). (8)

13. (a) (i) Explain the architecture of ATM network with necessary sketches. (8)

(ii) Explain the routing of a call using a VP switch in an ATM network. (8)

Or

(b) (i) explain briefly the 4 classes in ATM frame. (8)

(ii) discuss the physical layer aspects of frame relay. (8)

14. (a) discuss the separation of routing and forwarding functions in MPLS. (16)

Or
(b) (i) explain the features of forwarding architecture overlay model. (8)

(ii) Write short notes on Resource Reservation Protocol. (8)

15. (a) explain the different elements oflink manager protocols of blue tooth. (16)

Or

(b) Write short notes on the following:
(i) Service Discovery Protocol. (8)

(ii) Telephony Control Protocol. (8)

G 6027

Earning:   Approval pending.