Master of Science II (Computer Science) Examination:
Oct Nov 2016 Semester III (New CBCS)
SLR No. Day
Date Time Subject Name Paper
No. Seat No.
SLR SC
318
Monday
21/11/2016
02:30 PM
to
05:00 PM
Mobile Computing
C
XI
Instructions: Q.No.1 and 2 are compulsory.
Answer any three questions from Q.No.3 to Q.No.7.
All questions carry equal marks.
Total Marks: 70
Q.1 Objective Questions. 10
Select correct alternatives:
Assigning different time slots for uplink and downlink using the same
frequency is called.
Time Division Duplex Frequency Division Duplex
Phase Division Duplex Code Division Duplex
For systems, the transmitter changes the frequency several times
during the transmission of a single bit.
Fast Hopping Slow Hopping
Chipping Sequenced Bit transmission
BSS in GSM stands for
Basic Services Set Base Station Sub-system
Base Station Service Basic Service Sub-system
Which of the following is not function of MAC management protocol in
IEEE 802.11 Wireless LAN standard?
Synchronization Roaming
Power Management None of these

In mobile network layer, protocol is used to send registration
request.
Internet Control Message Protocol
User Datagram Protocol
Transmission Control Protocol
Internet Protocol
Whenever traditional TCP detects the congestion, then it will take
as next immediate action.
Fast Retransmit Time-out Freezing
Slow Start Splits the connection
Which of the following process in android has highest priority?
Visible Process Started Services Process
Active Process Empty Process
The meaning term 'bonding' in case of Bluetooth is
Coupling Sharing
Connection Pairing
Page 1 of 2
Which of the following is not an advantage of using small cells in cellular
system?
Higher Capacity Less transmission power
Frequency planning Local interference only
10) Where one station is to be heard by all others, can be
applied.
Polling
Fixed Time Division Multiplexing
Reservation Time Division Multiple Access
Directional Communication Propagation
State True or false: 04
Slotted ALOHA protocol solves the collision problem correctly.
Roaming is not possible in IEEE 802.11 Wireless LAN in infrastructure
mode.
Android application development uses MVC architecture.
CDMA is most secure type of multiplexing if code is encrypted.
Q.2 Write short notes on the following: 08
Signal Propagation
ii) Simple Bluetooth Piconet
ii)
Answer the following: 06
Explain slow start in traditional TCP.
ii) Describe android GUI architecture.
0
Q.3 Answer the following:
What is Antenna? Explain different types of it. 07
Discuss about indirect TCP and snooping TCP in detail. 07
Q.4 Answer the following:
Describe packet delivery mechanism using Mobile IP. 07
Discuss about indirect TCP and snooping TCP in detail. 07
Q.5 Answer the following:
Explain the synchronization mechanism for IEEE 802.11 in infrastructure mode
and in ad-hoc mode.
07
Explain the protocol architecture of GSM system in detail. 07
Q.6 Answer the following:
Discuss android application life cycle with application priorities and process
states.
07
Explain discovery and bonding of Bluetooth devices. 07
Q.7 Answer the following:
Explain the direct sequence spread spectrum technique and role of transmitter
and receiver in it.
07
Discuss mobile terminated call scheme in GSM. 07