5G and Wireless Communication for Beginners - Securing 2G

The video discusses the evolution of 2G technology, highlighting its security features, the introduction of SIM cards, and the impact on mobile services and culture. It explains the technical aspects of 2G, including GSM and GPRS, and its global adoption. The video concludes with a reflection on 2G's achievements and its affordability compared to 1G.

What was the primary purpose of introducing the SIM card in 2G technology?

• To store multimedia files

• To enhance battery life

• To improve screen resolution

• To house sensitive information securely

Which of the following was NOT a feature enabled by the evolution of SIM cards?

• Increased storage capacity

• Compressed and encrypted data transmission

• Emergency contact storage

• Analog signal transmission

How did 2G technology impact the cultural use of mobile phones?

• It eliminated the need for mobile phones

• It made phones less popular

• It turned phones into a cultural habit

• It restricted phone usage to business purposes

Which companies were mentioned as major investors in 2G technology?

• AT&T and Verizon

• Google and Microsoft

• Apple and Samsung

• Nokia and Ericsson

What does GSM stand for in the context of 2G technology?

• Global Satellite Mobile

• General Service for Messaging

• General System for Multimedia

• Global System for Mobile communication

What was a major technological advancement of 2G over 1G?

• Introduction of analog signals

• Higher call rates

• Digital transmission and reception

• Limited network coverage

Why was having more than one carrier important in the 2G era?

• It reduced the cost of phones

• It ensured competitive quality of service

• It limited the number of users

• It increased the size of SIM cards