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CS2060 High Speed Networks B.E Question Bank : dmice.ac.in

Name of the College : DMI College OF Engineering
Department : Electronics & Communication Engineering
Subject Name : CS2060 High Speed Networks
Degree : B.E
Website : dmice.ac.in
Document Type : Question Bank

High Speed Networks : https://www.pdfquestion.in/uploads/dmice.ac.in/2771-CS2060.doc

High Speed Networks Question Paper

UNIT-I

PART-A : (2 Marks)
1. State the advantages of frame relay network.
2. Is CSMA/CD used in gigabit LANS? Justify.
3. Draw the ATM cell Structure.
4. Give few examples for High speed networks.
5. Define Asynchronous transfer mode.

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6. List the functions provided by AAL ¾ layer.
7. Draw the frame format of Ethernet.
8. List out the applications of ATM.
9. Differentiate between frame relaying & X.25 packet switching service.
10. State the use of CLP bit in header of an ATM cell.
11. List the functions of LAPF protocol.
12. State the data link control functions provided by LAPF protocol.
13. List out the advantages & disadvantages of WLAN.
14. Draw the ATM cell header for UNI & NNI.
15. Draw the frame format of frame relay.

16. Differentiate ATM bearer service to other bearer service.
17. What are the physical Medias defined in IEEE802.11?
18. Define Cell loss ratio & Peak cell rate.
19. What is the need for high speed LAN?
20. List out the encoding techniques followed in fast Ethernet.
PART-B :(16 Marks)
1. i) Explain ATM protocol Architecture with neat diagram. (8)
ii) Explain the various ATM service categories in detail. (8)
2. What are the requirements for WLAN? Explain the IEEE802.11 architecture in detail.
Illustrate the functions & combined operation of various protocol in MAC sub layer. (16)
3. i) Write short notes on
a) Wireless LANs.
b) Wi-fi networks.
c) Wi-Max networks. (8)
ii) Explain in detail about fibre channel networks. (8)
4. i) Explain about frame relay networks in detail with neat diagram. (8)
ii) Explain about ATM logical connection. (8)
5. i) Explain in detail about fibre channel networks. (8)
ii) Explain the call control procedure in frame relay networks. (8)
6. What is Ethernet? Discuss in detail about Fast Ethernet & Gigabit Ethernet. (16)
7. i) What are the requirements for WLAN & fibre channel communication network? (8)
ii) Draw the UNI & NNI header cell format and explain in detail. (8)
8. i) Discuss the various non-real time services. (8)
ii) Explain the Gigabit Ethernet with suitable diagram. (8)
9. i) Give the requirements for wireless LAN in detail. (8)
ii) With a neat sketch explain the various fields of an ATM cell. (8)

UNIT-II

PART-A : (2 Marks)
1. What is meant by kendall’s notation?
2. Mention the congestion control techniques used in packet switching networks.
3. What are the types queuing models?
4. What are types of traffic management?
5. Why congestion occurs in the networks?
6. List and explain the parameters for a single server queue.
7. What is by BECN & FECN?
8. What are meant by choke packets?
9. What causes congestion networks?
10. List some queuing models generally used in networks.
11. State the use of choke packets.
12. What is meant by mean residence time?
13. State little’s formula.
14. What are the advantages of packet switching over circuit switching?
15. Define Arrival rate & service rate.
16. Define utilization factor.
17. What are the characteristics of a queue?
18. Differentiate single server queue and multi server queue.
19. What is meant by the term “Congestion” in networks?
20. What is committed information rate (CIR) .
PART-B : (16 Marks)
1. i) Explain with an example the implementation of single server queues. (8)
ii) Explain in detail about the Jackson’s theorem. (8)
2. i) Explain the effects of congestion in packet switching networks. (8)
ii) Explain how congestion avoidance is done in frame relay networks. (8)
3. i) Explain about traffic management in packet switching networks. (8)
ii) Describe about the effect of congestion. (8)
4. i) Describe the single server queuing model with its structures and parameters. (10)
ii) Explain the kendall’s notation and the common distribution for the queuing model. (6)
5. i) Explain in detail the explicit and implicit congestion signaling. (8)
ii) List and explain the frame relay congestion control techniques. (8)
6. Write short notes on:
a) Back Pressure (4)
b) Choke Packet. (4)
c) Explicit congestion signaling. (4)
d) Explain the kendall’s notation in detail. (4)
7. Explain about single server and multi-server queuing in networks. (16)
8. Explain how a frame relay network takes care of traffic management. (16)
9. What is kendall’s notation? State the equations single server queue that follows M/M/1. (16)

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