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WorksheetsClass Test 1 - CSE 443 (Mobile Telecommunication)
Total questions: 40
Worksheet time: 1hrs 20mins
Wireless Networks have low transmission rates than Fixed Networks.
True
False
Smoke signals for communication were used in _____
150 DC
150 BC
1950
1950 BC
PAN means ____
Personal Area Network
Protective Area Network
Personnel Area Network
Patched Area Network
Which layer handles "Encryption" in Mobile Communication?
Physical Layer
Network Layer
Transport Layer
Application Layer
EHF means _____
Electromagnetic High Frequency
Extra-High Frequency
Electrical High Frequency
Empty High Frequency
Which one is an example of Signal Propagation?
fading
shadowing
diffraction
all of them
Signal can take many different paths between sender and receiver due to ___________
reflection
scattering
diffraction
all of them
Multiplexing has ____ dimensions.
3
4
5
6
The goal of Multiplexing is multiple uses of a shared medium.
True
False
No dynamic coordination is necessary for Frequency multiplex.
True
False
In which multiplex channel gets the whole spectrum for a certain amount of time?
Frequency multiplex
Time multiplex
Code multiplex
All of them
In which multiplex each channel has a unique code?
Frequency multiplex
Time multiplex
Code multiplex
All of them
Which digital modulation needs larger bandwidth?
ASK
FSK
PSK
All of them
Which layer performs "hand-over"?
Physical Layer
Network Layer
Transport Layer
Application Layer
Which function is correct?
lamda = c/f
lamda = c*f
lamda = f/c
Which range frequencies are used by Wireless LANs?
VHF/UHF
UHF to SHF
SHF and higher
All of them
PLMN means ____
Public Local Mobile Network
Public Land Mobile Network
Private Land Mobile Network
Private Local Mobile Network
GSM is a high complexity based system.
True
False
MACA means ____
Multiple Access with Collision Avoidance
Maximum Access with Collision Avoidance
Multiple Access including Collision Adjustment
Multiple Access with Collision Adjustment
How many frequencies are used in the wireless standard model?
5
6
7
8
GSM uses Time and Frequency multiplex.
True
False
Which one is the advantage of cell structures?
higher capacity
decentralized
Both of them
None of them
CSMA/CD means ____
Carrier Sense Maximum Access with Collision Detection
Carrier Sense Multiple Access with Collision Detection
Carrier Sense Multiple Access with Collide Detection
Carrier Sense Multiple Access with Collision Avoidance
GSM means ____
Global System for Wireless & Mobile Communication
Global System for Maximum Communication
Global System for Mobile
Global System for Mobile Communication
How many service domains are in GSM?
2
3
4
6
Which is the subsystem of GSM?
RSS
MS
BS
All of them
BTS means ____
Base Transmission Station
Base Transceiver Station
Base Station Controller
Basic Transmission Station
MSC means ____
Mobile Switch Switching Center
Mobile Services Switching Center
Mobile Station Switching Center
Mobile Services Station Center
Forwarding of a caller number is which type of GSM service?
Bearer Service
Telematic Service
Supplementary Service
Optional Service
GSM is an example of PLMN.
True
False
RSS comprises the cellular mobile network up to the switching centres.
True
False
Which is included in Mobile Station functional group?
MT
TA
SIM
All of them
Authentication Centre (AUC) is a component of which GSM subsystem?
Network & Switching Subsystem
Mobile Services Switching Centre
Operational Subsystem
Security Service Subsystem
GSM uses mobile assisted hand-off (MAHO).
True
False
Which is the first satellite launched in 1957?
SPUTNIK
ECHO
SYNCOM
MARISAT
Inclination means the angle between orbit and equator.
True
False
Elevation means the angle between satellite and horizon.
True
False
LOS to the satellite is necessary for connection.
True
False
In the Satellite system "Uplink connection" means satellite to base station.
True
False
Depending on shape and diameter how many types of satellites are there?
2
3
4
5
