

MCQOPTIONS
Saved Bookmarks
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 | |