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Worksheetscellular networks---wcn
Total questions: 50
Worksheet time: 26mins
Which of the following subsystem provides radio transmission between mobile station and MSC?
BSS
NSS
OSS
BSC
The process of transferring a mobile station from one base station to another is
Mobile Switching
Roaming
Hand off
Forward channel
MSC Consists of
HLR
VLR
SIM
EIR
The shape of the cellular region for maximum radio coverage is
Circular
Square
Oval
Hexagon
The advantage of using frequency reuse is
Increased capacity
Limited spectrum is required
Same spectrum may be allocated to other network
All of the above
Cable television is an example of
TDMA
FDMA
CDMA
SDMA
Soft handoff is
Break before make
Make before make
Both A and B
None of these
Hexagon shape is used for radio coverage for a cell because
.
It uses the maximum area for coverage
Fewer number of cells are required
It approximates circular radiation pattern
All of the above
GSM can best be called a system for
cordless telephony
cellular telephony
TDMA systems transmit data in a buffer and burst method. Thus, the transmission for any user is not continuous.
TRUE
FALSE
TDMA stands for:
Time Domain Multiple Access
Time-Division Multiple Access
Tone Division Multiple Access
none of the above
CDMA stands for:
Code-Division Multiple Access
Carrier Division Multiple Access
Compact Digital Multiplex Arrangement
none of the above
What are the three main parts of a GSM Architecture or Structure?
Mobile Station
BSS - Base Station Subsystem
NSS - Network and Switching Subsystem
All the above
What are the main parts of a Mobile Station in a GSM Network?
MT - Mobile Terminal
SIM - Subscriber Identity Module
Both A and B
None
What are the main parts of a BSS (Base Station Subsystem) in a GSM network?
BTS - Base Transceiver Station
BSC - Base Station Controller
A and B
None
What are the main parts of a NSS (Network and Switching Subsystem) of a GSM Architecture?
MSC - Mobile Switching Center
HLR & AuC
VLR, EIR
All the above
A BTS is also called _____ by general public?
Mobile tower
Exchange
Charging Point
None
Each Mobile Terminal is identified by a unique ______ number?
IMEI
SIM
IMSI
None
What is the name of a database used mainly that stores information of a subscriber along with eligible services under roaming or another MSC area?
HLR
VLR
EIR
AuC
In a GSM architecture, which system provides Authentication and Encryption services?
HLR
VLR
EIR
AUC
In a GSM architecture, which system stores the IMEI numbers of all working mobile phones under the network?
HLR
VLR
EIR
AUC
when two nodes that are outside each other's range performs simultaneous transmission to a node that is within the range of each of them resulting in a collision. That means the data from both parties A and C will be lost during the collision.know as
Hidden terminal
Exposed terminal
Both a and b
None of the above
Transmission from MS to Base station known as----------
(a)
The RTS and CTS frames in CSMA/CA ____ solve the hidden station problem
can
cannot
SDMA expansion
(a)
The image shows internet connection using
Fixed Wireless
Fiber to the Premises
Celullar Radio Networks
Wi-Fi
This type of internet connection Offers high-speed Internet connections over the cellular radio network to computers and devices with built-in compatible technology (such as 3G, 4G, or 5G) or a wireless modem or other communications device
Mobile Broadband
Fiber to the Premises (FTTP)
Wi-Fi
Digital Subscriber Line (DSL)
This type of internet connection requires mobile networks and mobile device to function.
Radio Celullar Networks
Wi-Fi
Fixed Wireless
DSL
GSM stands for....
Global System for Mobile Communications
Global Standard of Mobile Communications
Global System for Mobiles
The first cellular systems were....
Digital
Waves
Analogue
Modulation is defined as....
The distance between the uplink and downlink frequencies
The number of cycles per unit of time
The process of changing the characteristics of a carrier frequency
What is a cell in cellular system?
a) A group of cells
b) A group of subscribers
c) A small geographical area
d) A large group of mobile systems
What is frequency reuse?
a) Process of selecting and allocating channels
b) Process of selection of mobile users
c) Process of selecting frequency of mobile equipment
d) Process of selection of number of cells
a) Process of selecting and allocating channels
b) Process of selection of mobile users
c) Process of selecting frequency of mobile equipment
d) Process of selection of number of cells
Actual radio coverage of a cell is called __________
a) Fingerprint
b) Footprint
c) Imprint
d) Matrix
Which of the following is a universally adopted shape of cell?
a) Square
b) Circle
c) Triangle
d) Hexagon
Why the shape of cell is not circle?
a) Omni directionality
b) Small area
c) Overlapping regions or gaps are left
d) Complex design
Capacity of a cellular system is directly proportional to __________
a) Number of cells
b) Number of times a cluster is replicated
c) Number of Base stations
d) Number of users
What is the full form of UMTS?
a) Universal Mobile Telephone System
b) Ubiquitous Mobile Telephone System
c) Ubiquitous Mobile Telemetry System
d) Universal Machine Telemedicine System
UMTS use which multiple access technique?
a) CDMA
b) TDMA
c) FDMA
d) SDMA
UMTS is also known as _____________
a) IS-95
b) GPRS
c) CdmaOne
d) W-CDMA
How much packet data rate per user is supported by W-CDMA if the user is stationary?
a) 2.048 Kbps
b) 100 Mbps
c) 2.048 Mbps
d) 1 Gbps
Which of the following has no backward compatibility with 3G Cdma2000?
a) IS-95
b) GPRS
c) IS-95A
d) IS-95B
Which of the following is not an objective for channel assignment strategies?
a) Efficient utilization of spectrum
b) Increase of capacity
c) Minimize the interference
d) Maximize the interference
What is a borrowing strategy in fixed channel assignments?
a) Borrowing channels from neighbouring cell
b) Borrowing channels from neighbouring cluster
c) Borrowing channels from same cell
d) Borrowing channels from other base station in same cell
RSSI stands for ________
a) Received Signal Strength Indicator
b) Restricted Signal Strength Indicator
c) Radio Signal Strength Indication
d) Restricted System Software Indicator
