M.Sc. (Semester IV) (CBCS) Examination Nov/Dec-2018
Electronics Science
COMMUNICATION PROTOCOLS
Time 2½ Hours Max. Marks: 70
Instructions: Q.1 and Q.2 are compulsory.
Attempt any three questions from Q. 3 to Q.7.
All questions carry equal marks.
Use of nonprogrammable calculator is allowed.
Q.1 Select the correct alternatives:- 08
protocol is faster than
flex ray, LIN CAN, flex ray
LIN, USB CAN, I2C
port is available on any PC.
RS-422 RS-485
RS-232 None of the above
provides different path for voice and data transmission.
EDGE AMPS
TACS GPRS
Node B of UTRAN replaces
BSS RNC
BTS GMSC
Communication between SGSN and GGSN is done by
protocol.
TCP SNDCP
BSSGP GTP
Which of the following is value added service?
Call forwarding Call Waiting
Call hold iGSM
Speech and data are transferred through channel.
Control channel Traffic channel
BCCH DCCH
provides single logical link for billing system in the GPRS
network.
Lawful Interception Gateway Charging Gateway
The Border Gateway PDP context
Q.1 State true and false 06
Only two tracks are required to communicate in the USB.
RS-422 provides multi-drop connections.
IEEE 802.16 operates at 100-600 MHz frequency band.
Billing complexity is reduced by the GRX roaming in GPRS.
UMTS R4 is to merge the Circuit switched network.
GSM can supports roaming to users.
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Q.2 Answer the following.
Explain I2C protocol. 05
Discuss GPRS applications? 05
What is the RNC of UMTS? 04
Q.3 Explain the Bluetooth frame format of baseband and L2CAP layer with
suitable diagram.
10
What is addressing mechanism of IEEE 802.11? 04
Q.4 Explain GSM architecture with suitable diagram. 10
How the security in GSM network is realized? 04
Q.5 Explain with a suitable sketch, how the data transfer through GPRS takes
place?
10
Write a note on attachment procedure of GPRS. 04
Q.6 Explain UMTS interfaces with suitable sketch. 10
Write note on QoS. 04
Q.7 Explain the properties of DSR in detail. 10
Discuss the recent trends in MANET. 04