MCQOPTIONS
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This section includes 17 Mcqs, each offering curated multiple-choice questions to sharpen your Wireless Mobile Communications knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Narrowband FDMA allows users to share the same radio channel allocating a unique time slot to each user. |
| A. | True |
| B. | False |
| Answer» C. | |
| 2. |
In narrowband system, the channels are usually operated using TDD. |
| A. | True |
| B. | False |
| Answer» C. | |
| 3. |
In wideband systems, the transmission bandwidth of a single channel _________ coherence bandwidth of the channel. |
| A. | Equal to |
| B. | Not related to |
| C. | Larger than |
| D. | Smaller than |
| Answer» D. Smaller than | |
| 4. |
TDD is effective for _________ |
| A. | Fixed wireless access and users are stationary |
| B. | Dynamic wireless access and users are stationary |
| C. | Fixed wireless access and users are moving |
| D. | Dynamic wireless access and users are moving |
| Answer» B. Dynamic wireless access and users are stationary | |
| 5. |
Time division duplexing uses ________ to provide both a forward and reverse link. |
| A. | Frequency |
| B. | Time |
| C. | Time and frequency |
| D. | Cell spacing |
| Answer» C. Time and frequency | |
| 6. |
Frequency division duplexing provides ________ distinct bands of frequencies for _________ user. |
| A. | Two, two |
| B. | One, two |
| C. | Two, one |
| D. | Two, many |
| Answer» D. Two, many | |
| 7. |
Multiple access schemes are used to allow ________ mobile users to share simultaneously a finite amount of radio spectrum. |
| A. | Many |
| B. | One |
| C. | Two |
| D. | Ten-Fifteen |
| Answer» B. One | |
| 8. |
IN_NARROWBAND_SYSTEM,_THE_CHANNELS_ARE_USUALLY_OPERATED_USING_TDD.?$ |
| A. | True |
| B. | False |
| Answer» C. | |
| 9. |
Narrowband_FDMA_allows_users_to_share_the_same_radio_channel_allocating_a_unique_time_slot_to_each_user.$ |
| A. | True |
| B. | False |
| Answer» C. | |
| 10. |
In wideband systems, the transmission bandwidth of a single channel _____ coherence bandwidth of the channel? |
| A. | Equal to |
| B. | Not related to |
| C. | Larger than |
| D. | Smaller than |
| Answer» D. Smaller than | |
| 11. |
TDD is effective for _____ |
| A. | Fixed wireless access and users are stationary |
| B. | Dynamic wireless access and users are stationary |
| C. | Fixed wireless access and users are moving |
| D. | Dynamic wireless access and users are moving |
| Answer» B. Dynamic wireless access and users are stationary | |
| 12. |
Time division duplexing uses ____ to provide both a forward and reverse link. |
| A. | Frequency |
| B. | Time |
| C. | Time and frequency |
| D. | Cell spacing |
| Answer» C. Time and frequency | |
| 13. |
The frequency separation between each forward and reverse channel changes throughout the system. |
| A. | True |
| B. | False |
| Answer» C. | |
| 14. |
The forward band in FDD provides traffic from the mobile to base station. |
| A. | True |
| B. | False |
| Answer» C. | |
| 15. |
Frequency division duplexing provides ____ distinct bands of frequencies for _____ user. |
| A. | Two, two |
| B. | One, two |
| C. | Two, one |
| D. | Two, many |
| Answer» D. Two, many | |
| 16. |
The technique that makes possible the task of listening and talking in communication system is called ________ |
| A. | Simplexing |
| B. | Duplexing |
| C. | Modulating |
| D. | Multiple access technique |
| Answer» C. Modulating | |
| 17. |
Multiple access schemes are used to allow ____ mobile users to share simultaneously a finite amount of radio spectrum. |
| A. | Many |
| B. | One |
| C. | Two |
| D. | Ten-Fifteen |
| Answer» B. One | |