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Eighth Sexnester B.E. Degree Examination, June/July 2016
Ad-Hoc Networks
Tirne: 3 hrs. Max. Marks: tr00
Note: Answer uny FIVE fwll qwestiolrs, selectircg
atle{rs{ TWO qwestiafis fr$pn ee*c{o psrt"
PAR.T * A
Write any eight diff,erences between cellular networks and Ad-hoc 'wireless networks.
Expiain the major issues to be considered in designing a MAC protocol for ad*hof-LT:iHl
networks" {tS Marks)
2 a. Explain hidden and exposed termireal problems with a neat diagrarar. (05 Marks)
b. Explain the packet exchange rnechanism in MACAW protocotr wittrl a neat diagrani.(86 Marks)
c. Explain collision avoidance time allocation protocol frame format with a dia.gram. (09 Marks)
3 a. Explain MAC protocol using directional antennas.
b. Explain interieaved carrier-sense rnultiple access protoeol in brief.
c. Explain the operation of rnultichannel MAC protocol with a neat diagram"
mechanisrn.
b. Explain DSDV routing-protocol with an example.
c. Explain AODV protocol.
4 a. Write the classification of routing protocol based on the routing information update
5a.
b.
6a.
b:
la.
b"
8a.
b.
P,&RT _ B
Explain zone routing protocol.
Explain Fishey state routing protocol with an example.
Why does TCP not perform well in Ari-hoc wireless networks?
Explain Ad-hoc TCP, with state diagram f,:r ATCP sender.
Explain in brief various routing attacks.
Briefly explain requirements f,or a secure routing protocol.
Explain two major kinds cryptographic algorithms.
Briefly explain the characteristics that affects QoS provisioning in Ad-hoc wireless
networks. (07 Marks)
Explain Location and delay predictions witli respect tc p,redictive location based QoS
routing protocol. (x3 Marks)
****a?
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