Mobile Network Technologies and Standards

The video tutorial covers the evolution of cellular networks from 2G to 5G, explaining the differences between GSM and CDMA standards, and how they evolved into 3G and LTE technologies. It highlights the increased data capabilities and speeds with each generation, culminating in the advanced features of 5G networks. The tutorial also discusses mobile device updates, such as PRL, and the use of phones as Wi-Fi hotspots.

What is the primary reason we refer to mobile phones as 'cell phones'?

• They are used for cellular biology research.

• They are small and portable.

• They use a cellular network divided into cells.

• They are powered by cell batteries.

Which two global standards were part of the original 2G networks?

• GSM and CDMA

• Bluetooth and NFC

• 5G and 4G

• LTE and Wi-Fi

What feature of GSM allows users to switch phones easily?

• Voice recognition

• Subscriber Identity Module (SIM) card

• Bluetooth connectivity

• Fingerprint sensor

How does GSM handle multiple users on the same frequency?

• By using different frequencies for each user

• By assigning each user a unique code

• By giving each user a time slice

• By using voice recognition

What is a unique feature of CDMA technology?

• It supports only voice communication.

• It is widely used in Europe.

• It assigns a unique code to each call.

• It uses SIM cards for user identification.

Which companies in the United States commonly used CDMA?

• AT&T and T-Mobile

• Verizon and Sprint

• Google and Microsoft

• Apple and Samsung

What was the main advantage of introducing 3G technology?

• Increased voice call quality

• Higher data speeds and new capabilities

• Better battery life

• Smaller phone sizes

What does LTE stand for?

• Light Transmission Efficiency

• Long-Term Evolution

• Low Time Energy

• Local Telecommunication Exchange

What is the expected maximum speed of 5G networks?

• 10 gigabits per second

• 1 gigabit per second

• 1 terabit per second

• 100 megabits per second

What is a PRL update in mobile devices?

• A software update for new apps

• A hardware update for better performance

• A preferred roaming list update

• A battery optimization update