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Global System for Mobile Communication (GSM)

Table of Contents:
Definition and Overview
1. Introduction: The Evolution of Mobile Telephone Systems
2. GSM
3. The GSM Network
4. GSM Network Areas
5. GSM Specifications
6. GSM Subscriber Services
Self-Test
Glossary
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Self-Test
1. Right now, GSM is the accepted cellular standard in ____________.
a. Europe
b. South America
c. North America
d. Southeast Asia
e. all of the above
2. Which area of the world first deployed cellular services for commercial use?
a. Scandinavia
b. Central America
c. Western Africa
d. Central Asia
e. Eastern Europe
3. Modulation refers to __________.
a. the distance between the uplink and downlink frequencies
b. the separation between adjacent carrier frequencies
c. the process of changing the characteristics of a carrier frequency
d. the number of cycles per unit of time
4. Which of the following are not telephony services supported by GSM?
a. dual-tone multifrequency
b. voice mail
c. fax mail
d. call waiting
5. What is the basic service unit of cellular telephony?
a. location area
b. cell
c. PLMN service area
d. MSC/VLR service area
6. The first cellular systems were ___________.
a. analog
b. digital
7. The location area is the area in which a subscriber can be paged.
a. The location area is the area in which a subscriber can be paged.
b. false
8. The idea of cell-based mobile radio service was formulated in the Nordic countries in the early 1970s.
a. true
b. false
9. GSM provides requirements for analog cellular service.
a. true
b. false
10. The home location register (HLR) is a database used for storing and managing subscriptions.
a. true
b. false
11. The authentication center (AUC) provides authentication and encryption parameters that verify the users identity and ensure the confidentiality of each call.
a. true
b. false
12. The message center (MXE) is the node that provides intelligent network services.
a. true
b. false
13. The PLMN service area is an area served by one network operator.
a. true
b. false
14. GSM utilizes the code division multiple access (CDMA) concept, rather than time division multiple access (TDMA).
a. true
b. false
Glossary >>

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