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Eighth Semester B.E. Degree Examination, June / July 2014
Adhoc Networks
Time: 3 hrs. Max. Marks:lOO
Note:
Answer FIVE full questions, selecting
at least TWO questions from each part.
1
PART-A
a. Briefly explain the following networks with proper diagrams:
i) Wireless mesh networks.
ii) Hybrid wireless networks. (10 Marks)
b. Discuss the major issues to be considered for a successful adhoc wireless internet. (10 Marks)
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c o
2
a. Discuss the following main issues of designing a MAC protocol:
i) Quality of services (QOS)
ii) Hidden and Exposed node problem.
b. Explain in detail the receiver initiated MAC protocol MARCH. (10 Marks)
(10 Marks)
3
a. Give brief explaination of Distributed Wireless Ordering Protocol (DWOP).
b. Describe the working mechanism of the DBTMA protocol.
(10 Marks)
(10 Marks)
4a. What are the characterisitcs of an ideal routing protocol for ADHOC networks? (06 Marks)
b. Give the classification of routing protocols for ADHOC networks, based on the routing
information update mechanism. (06 Marks)
C. Explain in detail CGSR protocol. (08 Marks)
5
a.
b.
6 a.
b.
7a.
b.
c.
8
a.
b.
PART-B
Explain Zone Routing Protocol (ZRP).
Discuss the power-aware routing metrics for adhoc networks.
(10 Marks)
(10 Marks)
Explain the issues and design goals oftransport layer protocol for adhoc networks. (10 Marks)
Illustrate the working of split TCP with a neat diagram. (10 Marks)
Briefly discuss the network security requirements for adhoc networks.
List the network layer attacks.
Explain the Security-aware Adhoc Routing (SAR) protocol.
(05 Marks)
(05 Marks)
(10 Marks)
Give the layer wise classification of existing QOS solution.
Write a short note on:
i)
Hard state versus soft state resource reservation.
ii) Cluster TDMA.
(05 Marks)
(15 Marks)
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