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WorksheetsWireless Networks Quiz
Total questions: 40
Worksheet time: 20mins
Which generation of wireless networks introduced digital cellular technology?
1G
2G
3G
4G
3G networks primarily enabled which feature?
Voice only
Text messaging
High-speed mobile internet
Analog communication
LTE is mainly associated with which generation?
2G
3G
4G
5G
Which modulation is primarily used in 4G LTE?
QPSK
OFDM
AM
FM
What is the main limitation of 4G that drives the need for 5G?
Low frequency
Limited speed and latency performance
Poor voice clarity
Analog transmission
The main feature of 1G networks was:
Packet switching
Analog voice communication
Video calling
Broadband access
Which of the following is part of the Next Generation Core (NG-Core)?
AMF
BSC
MSC
BTS
In 3G networks, UMTS stands for:
Universal Mobile Telephone System
Universal Mobile Telecommunications System
Unified Mobile Transmission Service
User Mobile Telecom Standard
Which network introduced the concept of circuit-switched to packet-switched transition?
2G
3G
4G
5G
The vEPC (virtualized Evolved Packet Core) is implemented using:
Hardware switches
Virtualization/cloud infrastructure
Satellite networks
Analog systems
Which wireless generation first supported broadband multimedia services?
2G
3G
4G
5G
In 4G, the peak data rate achievable is approximately:
100 kbps
2 Mbps
100 Mbps
1 Gbps
The primary role of NG-Core in 5G is to:
Support circuit switching
Handle packet-based data and services
Manage analog communication
Provide SMS only
Which access technique was used in 2G GSM networks?
CDMA
FDMA + TDMA
OFDMA
SDMA
The handover between LTE and 5G is managed through:
EPC only
NG-Core and gNB coordination
Baseband switches
AM radio
Which of the following is not a feature of 4G?
All-IP network
High-speed data
Analog voice services
OFDMA modulation
In 5G, compared to 4G, latency is reduced from ~50 ms to:
30 ms
20 ms
10 ms
1 ms
The main motivation for NG-Core introduction was:
More flexible and scalable architecture
Supporting analog communication
Improving SMS only
Reducing 2G call drops
In vEPC, network functions are separated into:
Hardware-based nodes
Virtualized software instances
Satellite transceivers
Analog base stations
The first wireless generation to support IoT applications is:
2G
3G
4G
1G
Which of the following is the air interface of 5G?
LTE
GSM
NR (New Radio)
WiMAX
5G primarily uses which frequency bands?
Below 1 GHz only
3-6 GHz and mmWave (24-100 GHz)
Only 900 MHz
Only satellite bands
Which key technology enables 5G's massive connectivity?
TDM
MIMO and beamforming
Analog switching
FDMA
The role of cloud in 5G networks is to:
Store SMS
Enable scalable and virtualized network functions
Replace base stations
Provide analog services
What does RAT stand for?
Radio Antenna Technology
Radio Access Technology
Remote Access Terminal
Random Access Transmission
Which of the following is not a challenge for 5G?
High spectrum demand
Low energy efficiency
Ultra-high latency
Security
In 5G, the logical node that manages session control is:
SMF
UPF
AMF
PCF
What is the approximate peak data rate for 5G under ideal conditions?
100 Mbps
1 Gbps
10 Gbps
100 Gbps
Edge computing in 5G is mainly used to:
Increase analog voice capacity
Reduce latency by processing data closer to users
Improve SMS storage
Support 2G users
The role of EPC in 5G is to:
Continue supporting LTE/4G services
Replace NG-Core
Enable analog communication
Provide IoT only
Which RAT is specific to 5G?
GSM
UMTS
LTE
NR
The major enabling feature of 5G for IoT devices is:
Ultra-Reliable Low Latency Communication (URLLC)
Analog modulation
Circuit switching
SMS
5G supports network slicing, which means:
Dividing frequency for SMS
Creating multiple virtual networks on one physical infrastructure
Splitting antennas
Slicing cables
Which challenge in 5G relates to human safety concerns?
Handover
SAR and radiation effects
SMS delivery
Analog distortion
Cloud-RAN (C-RAN) primarily aims to:
Virtualize baseband processing
Improve analog voice
Store SMS
Reduce OFDM
Which RAT is still backward compatible with LTE?
2G
3G
5G NR
Satellite
The main feature of AMF in NG-Core is:
Access and mobility management
User plane data forwarding
Policy control
Authentication only
Which spectrum type does 5G NR use for coverage and capacity balance?
Low band, mid band, and mmWave
Only low band
Only mmWave
Only satellite
One major challenge of deploying 5G mmWave is:
Poor penetration through obstacles
Low bandwidth
High analog noise
SMS interference
The combination of NR + Cloud + Edge in 5G primarily enhances:
Analog telephony
End-to-end latency, scalability, and flexibility
SMS performance
Circuit-switched calls
