MOBILE COMMUNICATION

What is the main purpose of a SIM card in a mobile phone?

• To securely store subscriber identity and information
• To increase battery life
• To make the phone waterproof
• To improve camera quality

Which technology is commonly used for mobile communication?

• Cellular
• Ethernet
• Satellite
• Bluetooth

What does LTE stand for in the context of mobile communication?

• Long-Term Enhancement
• Limited Time Edition
• Long-Term Evolution
• Lasting Technological Evolution

Which of the following is NOT a mobile communication standard?

• 3G
• 5G
• Bluetooth
• 4G

What is the purpose of a base station in mobile communication?

• To connect mobile devices to the network infrastructure and enable communication.
• To provide entertainment services to users
• To monitor weather conditions in the area
• To control traffic signals in the city

Which of the following is a disadvantage of using satellite communication for mobile phones?

• Limited coverage
• High cost
• Interference issues
• Signal delays

Which technology allows mobile phones to connect to the internet using cellular networks?

• 3G
• Bluetooth
• Wi-Fi
• LTE

What is the primary advantage of using VoLTE (Voice over LTE) for voice calls?

• Lower quality audio and slower call setup times
• Higher quality audio and faster call setup times
• Limited coverage and compatibility issues
• Higher data usage and increased battery consumption

Which of the following is a security concern in mobile communication?

• Interception of data
• Secure authentication methods
• Physical security of devices
• Encryption of data

What is the function of a mobile network operator (MNO)?

• To provide wireless communication services by managing the necessary infrastructure.
• To provide landline communication services
• To manage social media platforms
• To offer grocery delivery services