Understanding GSM and Its Impact

What does GSM stand for?

• Global System for Messaging

• Global System for Mobile Communications

• General System for Mobile

• Global Standard for Messaging

In which decade was GSM developed?

• 1970s

• 1980s

• 1990s

• 2000s

What was one of the key features introduced by GSM?

• Analogue encryption

• Digital encryption

• Morse code messaging

• Satellite communication

Which of the following was a major benefit of GSM over 1G networks?

• Lower cost

• Analogue signals

• Improved call quality

• Larger phones

What feature did GSM introduce that allowed users to send short written messages?

• Email

• SMS (Short Message Service)

• Fax

• Voicemail

What is one of the encryption algorithms used by GSM?

• RSA

• A5/1

• DES

• SHA-256

GSM enabled international roaming. What does this mean?

• Using a mobile phone in different countries without changing the SIM card

• Using a mobile phone only in the home country

• Using a mobile phone without a SIM card

• Using a mobile phone with a landline connection

Which type of network did GSM replace?

• 2G

• 3G

• 1G

• 4G

What was a major security improvement of GSM over previous networks?

• Larger coverage area

• Digital encryption to secure communications

• Faster internet speeds

• More expensive handsets

Which of the following is NOT a feature of GSM?

• Text messaging

• International roaming

• Analogue signals

• Digital encryption