PTU Punjab Technical University B-Tech May 2019 Question Papers 6th Semester Automation Robotics ECE-EIE
Total No. of Pages : 02
Total No. of Questions : 09
B.Tech.(Electronics & Computer Engg.) (2011 Onwards) (Sem.?6)
MOBILE COMPUTING
Subject Code : BTEL-601
M.Code : 71163
Time : 3 Hrs. Max. Marks : 60
INSTRUCTION TO CANDIDATES :
1.
SECTION-A is COMPULSORY consisting of TEN questions carrying T WO marks
each.
2.
SECTION-B contains FIVE questions carrying FIVE marks each and students
have to attempt ANY FOUR questions.
3.
SECTION-C contains T HREE questions carrying T EN marks each and students
have to attempt ANY T WO questions.
SECTION-A
1.
Answer briefly :
a) Discuss the design goals of Mobile IP.
b) What is the reason for the failure of CSMA/CD in wireless networks?
c) What are piconet and scatternet in Bluetooth?
d) Describe the properties of MANET.
e) Explain the role of HLR and VLR in GSM network.
f) Describe features of MIDP 3.0.
g) List advantages of hoarding the data at mobile device.
h) What are the QoS issues?
i) Give reasons for a handover in GSM and the problems associated with it.
j) What is basic purpose of DHCP?
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SECTION-B
2.
Explain Selective retransmission and Transaction oriented TCP.
3.
Distinguish the MANETs from cellular mobile networks.
4.
Explain about protocol architecture of WAP.
5.
Explain Mobile TCP. How does a supervisory host send TCP packets to the mobile node
and to a fixed TCP connection?
6.
Describe Dynamic source routing protocol with an example.
SECTION-C
7.
Explain the following protocols and platforms for mobile computing.
a) PalmOS
b) J2ME
8.
Explain in detail about IEEE 802.11 MAC Data frames.
9.
What are the major components of security, explain each with examples.
NOTE : Disclosure of Identity by writing Mobile No. or Making of passing request on any
page of Answer Sheet will lead to UMC against the Student.
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This post was last modified on 04 November 2019