GSM 101 A

Which area of the world first deployed cellular services for commercial use?

• Scandinavia
• Central Europe
• West Africa
• North America

GSM stands for....

• Global System for Mobile Communications

• Global Standard of Mobile Communications

• Global System for Mobiles

Modulation is defined as....

• The distance between the uplink and downlink frequencies

• The number of cycles per unit of time

• The process of changing the characteristics of a carrier frequency

What is the air interface between the Mobile Station (MS) and Base Transceiver Station (BTS) called?

• Abis

• Rx

• Tx

• Um

What is the basic service unit of GSM communications?

• Location Area
• Cell
• PLMN
• VPLMN
• All of the Above

The first cellular systems were....

• Digital

• Waves

• Analogue

The Location Area is the area in which a subscriber can be paged

• true
• false

GSM provides requirements for analogue cellular services

• false
• true

The Home Location Register (HLR) is a database used for storing and managing subscriptions

• true
• false

The Authentication Centre (AUC) provides authentication and encryption parameters that verify the user's identity and ensure the confidentiality of each call

• false
• true