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1. Right now, GSM is the accepted cellular standard in ____________. | a. | Europe | b. | South America | c. | North America | | c. | Southeast Asia | e. | all of the above | See Topic 1 |
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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 | See Topic 1 |
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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 | | | See Topic 5 |
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4. Which of the following are not telephony services supported by GSM? | a. | dual tone multfrequency | b. | voice mail | | | c. | fax mail | d. | call waiting | See Topic 6 |
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5. What is the basic service unit of cellular telephony? | a. | location area | b. | cell | | | c. | OLMN service area | d. | MSC/VLR service area | See Topic 4 |
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6. The first cellular systems were ___________. |
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7. The location area is the area in which a subscriber can be paged. |
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8. The idea of cell-based mobile radio service was formulated in the Nordic countries in the early 1970s. |
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9. GSM provides requirements for analog cellular service. |
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10. The home location register(HLR) is a database used for storing and managing subscriptions. |
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11. The authentication center(AUC) provides authentication and encryption parameters that verify the user's identity and ensure the confidentiality of each call. |
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12. The message center (MXE)is the node that provides intelligent network services. |
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13. The PLMN service area is an area served by one network operator. |
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14. GSM utilizes the code division multiple access (CDMA) concept, rather than time division multiple access (TDMA). |
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