5G Technology and Its Impact MCQs

1. : What does the “G” in 5G stand for?
(A) Gigabit
(B) Gigahertz
(C) Generation
(D) Global

2. : What is the name of the 3GPP 5G base station?
(A) XNB
(B) ENB
(C) GNB
(D) NgNB

3. : In 5G NR, what does “NR” stand for?
(A) New Reach
(B) Not Right
(C) New Radio
(D) Never Ready

4. : Which 3GPP Release corresponds to 5G Phase 1?
(A) Release 13
(B) Release 14
(C) Release 15
(D) Release 16

5. : What is the target downlink peak data rate for 5G?
(A) 1 Gbps
(B) 10 Gbps
(C) 20 Gbps
(D) 100 Gbps

6. : Which of the following is NOT a key feature of 5G?
(A) Enhanced Mobile Broadband (eMBB)
(B) Ultra-Reliable Low-Latency Communications (URLLC)
(C) Massive Machine-Type Communications (mMTC)
(D) Circuit Switching

7. : What is the primary function of the Radio Access Network (RAN) in 5G?
(A) Data processing and routing
(B) Wireless communication
(C) Edge computing
(D) Network slicing

8. : Which 5G technology is optimized for IoT devices requiring low power consumption?
(A) mmWave
(B) NB-IoT
(C) URLLC
(D) LTE-M

9. : What is the primary limitation of mmWave frequencies in 5G?
(A) High latency
(B) Limited range and penetration
(C) Low bandwidth
(D) High power consumption

10. : What is the primary benefit of Edge Computing in 5G network architecture?
(A) Increasing bandwidth
(B) Reducing latency
(C) Enhancing security
(D) Simplifying network design

11. : Which modulation scheme is commonly used in 5G NR?
(A) QPSK
(B) 16-QAM
(C) 64-QAM
(D) All of the above

12. : What does MIMO stand for in 5G technology?
(A) Multiple Input Multiple Output
(B) Mobile Input Mobile Output
(C) Massive Input Massive Output
(D) Multi-Interface Multi-Output

13. : What is the main advantage of using MIMO in 5G?
(A) Increased latency
(B) Reduced bandwidth
(C) Enhanced data throughput
(D) Simplified network architecture

14. : What is beamforming in the context of 5G?
(A) A method to increase latency
(B) A technique to focus signal in a specific direction
(C) A process to reduce bandwidth
(D) A way to simplify network design

15. : Which frequency bands are used in 5G?
(A) Sub-1 GHz
(B) 1-6 GHz
(C) Above 24 GHz (mmWave)
(D) All of the above

16. : What is network slicing in 5G?
(A) Dividing physical networks into multiple virtual networks
(B) Cutting network cables
(C) Reducing network bandwidth
(D) Increasing network latency

17. : Which of the following is a benefit of network slicing?
(A) Uniform services for all users
(B) Customized services for different applications
(C) Increased latency
(D) Reduced network capacity

18. : What is the role of Software-Defined Networking (SDN) in 5G?
(A) Hardware-based network control
(B) Static network configuration
(C) Programmable network management
(D) Manual network setup

19. : What is the function of Network Functions Virtualization (NFV) in 5G?
(A) Virtualizing network services
(B) Physical hardware deployment
(C) Manual network configuration
(D) Reducing network speed

20. : What is the expected latency in 5G networks?
(A) 100 ms
(B) 50 ms
(C) 10 ms
(D) 1 ms

21. : Which of the following is NOT an application of 5G?
(A) Autonomous vehicles
(B) Remote surgery
(C) Dial-up internet
(D) Smart cities

22. : What is the impact of 5G on IoT?
(A) Reduced device connectivity
(B) Enhanced device connectivity
(C) Increased latency
(D) Decreased network capacity

23. : What is the primary advantage of 5G over 4G?
(A) Lower data rates
(B) Higher latency
(C) Enhanced speed and capacity
(D) Reduced device connectivity

24. : Which of the following is a challenge in 5G deployment?
(A) High-frequency signal attenuation
(B) Unlimited coverage
(C) Simple infrastructure
(D) Low data rates

25. : What is the role of small cells in 5G networks?
(A) Provide wide-area coverage
(B) Enhance coverage in dense areas
(C) Reduce network capacity
(D) Increase latency

26. : What is the function of the 5G core network?
(A) Only handles voice calls
(B) Manages data routing and mobility
(C) Provides physical connectivity
(D) Controls user devices

27. : What is the significance of ultra-reliable low-latency communications (URLLC) in 5G?
(A) Supports non-critical applications
(B) Enables mission-critical applications
(C) Increases network latency
(D) Reduces network reliability

28. : What is the benefit of enhanced mobile broadband (eMBB) in 5G?
(A) Lower data rates
(B) Support for high-speed data services
(C) Reduced network capacity
(D) Increased latency

29. : What is the purpose of massive machine-type communications (mMTC) in 5G?
(A) Connect a few devices
(B) Support high-speed data
(C) Connect a large number of IoT devices
(D) Reduce network capacity

30. : Which of the following is a security enhancement in 5G over 4G?
(A) Static network configuration
(B) Enhanced encryption and authentication
(C) Reduced security measures
(D) Manual network management

31. : What is the role of the Access and Mobility Management Function (AMF) in 5G?
(A) Handles user authentication
(B) Manages session contexts
(C) Controls mobility and access
(D) Provides physical connectivity

32. : What is the function of the Session Management Function (SMF) in 5G?
(A) Manages user sessions and IP address allocation
(B) Controls physical network elements
(C) Handles user authentication
(D) Provides radio access

33. : What is the purpose of the User Plane Function (UPF) in 5G?
(A) Manages control plane signaling
(B) Handles user data forwarding
(C) Controls mobility
(D) Provides network slicing

34. : What is the significance of Control and User Plane Separation (CUPS) in 5G?
(A) Combines control and user planes
(B) Separates control and user planes for flexibility
(C) Reduces network scalability
(D) Increases network complexity

35. : What is the function of the Network Exposure Function (NEF) in 5G?
(A) Provides user authentication
(B) Exposes network capabilities to third-party applications
(C) Manages physical network elements
(D) Controls user mobility

36. : What is the role of the Policy Control Function (PCF) in 5G?
(A) Manages user sessions
(B) Provides policy rules and charging control
(C) Controls physical network elements
(D) Handles user authentication

37. : What is the purpose of the Authentication Server Function (AUSF) in 5G?
(A) Manages user sessions
(B) Handles user authentication
(C) Controls mobility
(D) Provides network slicing