MCQOPTIONS
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MCQOPTIONS
This section includes 15 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. |
A TDMA system uses 25 MHz for the forward link, which is broken into radio channels of 200 kHz. If 8 speech channels are supported on a single radio channel, how many simultaneous users can be accommodated? |
| A. | 25 |
| B. | 200 |
| C. | 1600 |
| D. | 1000 |
| Answer» E. | |
| 2. |
___________ of TDMA system is a measure of the percentage of transmitted data that contains information as opposed to providing overhead for the access scheme. |
| A. | Efficiency |
| B. | Figure of merit |
| C. | Signal to noise ratio |
| D. | Mean |
| Answer» B. Figure of merit | |
| 3. |
__________ synchronization overhead is required in TDMA due to _______ transmission. |
| A. | High, burst |
| B. | High, continuous |
| C. | Low, burst |
| D. | No, burst |
| Answer» B. High, continuous | |
| 4. |
Because of _______ transmissions in TDMA, the handoff process in __________ |
| A. | Continuous, complex |
| B. | Continuous, simple |
| C. | Discontinuous, complex |
| D. | Discontinuous, simple |
| Answer» E. | |
| 5. |
__________ are utilized to allow synchronization of the receivers between different slots and frames. |
| A. | Preamble |
| B. | Data |
| C. | Guard bits |
| D. | Trail bits |
| Answer» D. Trail bits | |
| 6. |
Preamble contains __________ |
| A. | Address |
| B. | Data |
| C. | Guard bits |
| D. | Trail bits |
| Answer» B. Data | |
| 7. |
A_TDMA_SYSTEM_USES_25_MHZ_FOR_THE_FORWARD_LINK,_WHICH_IS_BROKEN_INTO_RADIO_CHANNELS_OF_200_KHZ._IF_8_SPEECH_CHANNELS_ARE_SUPPORTED_ON_A_SINGLE_RADIO_CHANNEL,_HOW_MANY_SIMULTANEOUS_USERS_CAN_BE_ACCOMMODATED??$ |
| A. | 25 |
| B. | 200 |
| C. | 1600 |
| D. | 1000 |
| Answer» E. | |
| 8. |
What_is_the_time_duration_of_a_bit_if_data_is_transmitted_at_270.833_kbps_in_the_channel?$ |
| A. | 270.833 s |
| B. | 3 μs |
| C. | 3.692 μs |
| D. | 3.692 s |
| Answer» D. 3.692 s | |
| 9. |
TDMA allocates a single time per frame to different users. |
| A. | True |
| B. | False |
| Answer» C. | |
| 10. |
_____ synchronization overhead is required in TDMA due to _______ transmission. |
| A. | High, burst |
| B. | High, continuous |
| C. | Low, burst |
| D. | No, burst |
| Answer» B. High, continuous | |
| 11. |
Because of _______ transmissions in TDMA, the handoff process in _____ |
| A. | Continuous, complex |
| B. | Continuous, simple |
| C. | Discontinuous, complex |
| D. | Discontinuous, simple |
| Answer» E. | |
| 12. |
Which of the following is not true for TDMA? |
| A. | Single carrier frequency for single user |
| B. | Discontinuous data transmission |
| C. | No requirement of duplexers |
| D. | High transmission rates |
| Answer» B. Discontinuous data transmission | |
| 13. |
_____ are utilized to allow synchronization of the receivers between different slots and frames. |
| A. | Preamble |
| B. | Data |
| C. | Guard bits |
| D. | Trail bits |
| Answer» D. Trail bits | |
| 14. |
Preamble contains _____ |
| A. | Address |
| B. | Data |
| C. | Guard bits |
| D. | Trail bits |
| Answer» B. Data | |
| 15. |
TDMA systems transmit in a continuous way. |
| A. | True |
| B. | False |
| Answer» C. | |