Download AKTU B-Tech 8th Sem 2015-16 ECS 087 Mobile Computing Question Paper

Download AKTU (Dr. A.P.J. Abdul Kalam Technical University (AKTU), formerly Uttar Pradesh Technical University (UPTU) B-Tech 8th Semester (Eight Semester) 2015-16 ECS 087 Mobile Computing Question Paper

Printed Pages: 4 ECS-087
(Following Paper 1]) and Roll No. to be ?lled in your
pIECH.
Theory Examination (Semester-Vlll) 2015-16
MOBILE COMPUTING
17m : 3 Hours Max. Marks : 100
Note: Attempt questions from all Sections as per directions.
Section - A
- Attempt all parts of this section. Answer in brief. (2X10=20)
A
, l. (a)
(b)
(C)
(d)
(e)
What is multiclustm architectule?
How many types of links are there between master and
slave supported by Bluetooth?
De?ne Fisheye State Routing.
What are the additional functions in wireless ATM with
respect to ?xed ATM?
What is the general goal of a ?le system?
(97 R10.
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'J

(f)
(g)
(h)
(i)
(i)
Discuss IP?Within-[P encapsulation in mobile IP.
Why did we choose hexagonal shape for cells in
cellular phone system?
What is the basic purpose of Agent Advertisement in
packet forwarding?
Differentiate Static and dynamic routing.
What are hidden node and exposed node problems in
wireless LAN?
Section-B
Attempt any ?ve questions from this section.
(10x5 = 50)
Discuss the architecture of GSM. Also explain the secu-
rity issues to implement the GSM.
Explain the mechanisms to addIess the quality of
services and energy ef?cient issues in MANETs.
Describe the TORA algorithm and explain the route cre-
ation and route maintenance in detail with suitable ex-
ample.
(2)
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Explain the architecture and protocol stack of Wire-
less Application Protocol (WAP).
"CSMA/CD is not a suitable protocol for wireless
LAN" Give reasons in favour of or against the state-
ment
Describe fault tolerance in mobile computing environ?
ment in details.
Compare SDMA. TDMA. FDMA and CDMA in team
of transmission techniques, signal separation, advan-
tages, disadvantages and applications?
Whatkind ofpmblems mayan'se, ifTCP is implemented
over wireless networks? Explain.
Sec tion-C
Attempt any two questions from this section.
(15x2 = 30)
Explain different issues that need to be addressed while
designing routing protocols for adhoc wireless networks.
Explain the key issues involved in Qos routing mobile
Adhoc network.
Six stations A through F communicate using MACA pro?
tocol. Is it possible that two transmissions take place
simultaneously? Explain your answer.
(3) P.T.O.
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5. What are the different distribution services provided
by the base station to deal with station mobility in
802.11 standard conformant wireless LAN?
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