1. What does GSM stand for?
- A) Global System for Mobile Communication
- B) General Switching Method
- C) Global Satellite Management
- D) General System for Messaging
Answer: A) Global System for Mobile Communication
2. Which generation of mobile communication introduced LTE?
- A) 2G
- B) 3G
- C) 4G
- D) 5G
Answer: C) 4G
3. What is the purpose of a Base Transceiver Station (BTS) in mobile communication?
- A) To route calls between networks
- B) To provide the radio link between mobile devices and the network
- C) To store subscriber data
- D) To amplify mobile signals
Answer: B) To provide the radio link between mobile devices and the network
4. Which of the following is a feature of 3G technology?
- A) Voice communication only
- B) High-speed data transmission
- C) Support for IoT devices
- D) Virtual Reality applications
Answer: B) High-speed data transmission
5. What is handover in mobile communication?
- A) Switching between network providers
- B) Transfer of a call or data session from one cell to another
- C) Encryption of mobile communication
- D) Disconnecting a call due to poor signal
Answer: B) Transfer of a call or data session from one cell to another
6. Which protocol is used for mobile communication in GSM?
- A) CDMA
- B) TDMA
- C) OFDMA
- D) FDMA
Answer: B) TDMA
7. What is the main difference between FDMA and CDMA?
- A) FDMA uses frequency division, while CDMA uses code division
- B) FDMA is more efficient than CDMA
- C) CDMA is only for 2G networks
- D) FDMA uses time slots for communication
Answer: A) FDMA uses frequency division, while CDMA uses code division
8. Which component in mobile communication manages switching between calls and services?
- A) Mobile Station (MS)
- B) Mobile Switching Center (MSC)
- C) Base Station Controller (BSC)
- D) Subscriber Identity Module (SIM)
Answer: B) Mobile Switching Center (MSC)
9. What is the primary advantage of 5G networks over 4G?
- A) Improved voice quality
- B) Higher data rates and lower latency
- C) Support for basic smartphones
- D) Easier deployment
Answer: B) Higher data rates and lower latency
10. What does SIM stand for in mobile communication?
- A) Subscriber Identification Module
- B) System Integration Manager
- C) Signal Interpretation Mechanism
- D) Subscriber Interaction Module
Answer: A) Subscriber Identification Module
11. What type of multiple access technique is used in 4G LTE?
- A) TDMA
- B) FDMA
- C) OFDMA
- D) CDMA
Answer: C) OFDMA
12. What is the primary function of the Home Location Register (HLR)?
- A) Managing call handovers
- B) Storing subscriber information
- C) Encrypting mobile data
- D) Controlling signal strength
Answer: B) Storing subscriber information
13. Which of the following is NOT a characteristic of 2G networks?
- A) Digital voice communication
- B) Text messaging (SMS) support
- C) High-speed internet browsing
- D) Limited data rates
Answer: C) High-speed internet browsing
14. What is the key feature of CDMA?
- A) Use of unique codes to separate calls
- B) Use of dedicated frequency channels
- C) Fixed time slots for communication
- D) Signal multiplexing in time domain
Answer: A) Use of unique codes to separate calls
15. Which of the following technologies is essential for mobile communication in IoT applications?
- A) NFC
- B) LTE-M and NB-IoT
- C) GSM
- D) CDMA
Answer: B) LTE-M and NB-IoT
16. What is a Pico Cell in mobile networks?
- A) A large coverage area cell
- B) A small cell used to boost coverage in specific locations
- C) A satellite-based communication cell
- D) A component of the MSC
Answer: B) A small cell used to boost coverage in specific locations
17. What does IMS stand for in 4G and 5G networks?
- A) Internet Mobile Service
- B) IP Multimedia Subsystem
- C) Integrated Messaging System
- D) Internet Messaging Standard
Answer: B) IP Multimedia Subsystem