Cochin University of Science and Techology (CUST) 2011-8th Sem B.Tech Computer Science and Engineering Mobile computing - Question Paper

B.Tech eighth semester Computer sc. Mobile computing 2011 ques. paper for reference

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B. Tech Degree VIII Semester Examination April 2011

CS/TT 804 (D) MOBILE COMPl;TINC;

(21)06 Scheme)

Maximum Marks: 100

PART-A

(Answer AU. Questions!

x 5 40)

(a)    Whai is meant by voice oriented data communication?

(b)    Describe any two mobile dcviccs.

(c>    What is QoS?

(<T)    Whai are the irartfaciion Models?

(e)    Give a short description about EDGE.

(f)    Whai you mean by OFDM7 <#)    Describe about MANET.

(h)    Give a short description about VPN.

PART-8

lixplain mobile computing architecture.

OR

Wha; are the main features of Mobile OS? Explain any two mobile OS.

IV.    (a) I>escribc slow sun of congestion control.

(b) Explain snooping TCP. Give the advaniages and disadvantages of STCP.

OR

V.    Discuss aboul the various cache invalidation mechanisms.

VI.    1 Explain GPRS s>sicm architecture and protocol lavcrs.

OR

V1L    Briefly explain about the Generation of cellular network.

VIII.    Bricflv explain about wireless LAN Security.

OK

IX.    Write short notes on -

()	XML
(ii)	IfMl.
(iii)	J2ME

(3x5*15)

Attachment: cochin-university-of-science-and-techology--cust--2011-b-tech-computer-science-and-engineering-36881-1.jpg

Earning:   Approval pending.