MCQOPTIONS
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MCQOPTIONS
This section includes 22 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. |
Cell dragging is a problem occur due to __________ |
| A. | Pedestrian users |
| B. | Stationary users |
| C. | High speed mobile systems |
| D. | Base stations having same frequency |
| Answer» B. Stationary users | |
| 2. |
Umbrella cell approach is possible by using _________ |
| A. | Antenna of same heights |
| B. | Antenna of different heights |
| C. | Different voice channels |
| D. | Different control channels |
| Answer» C. Different voice channels | |
| 3. |
Which of the following priority handoff method decrease the probability of forced termination of a call due to lack of available channels? |
| A. | Queuing |
| B. | Guard channel |
| C. | Cell dragging |
| D. | Near far effect |
| Answer» B. Guard channel | |
| 4. |
What is the disadvantage of guard channel? |
| A. | Efficient utilization of spectrum |
| B. | Cross talk |
| C. | Near far effect |
| D. | Reduce total carried traffic |
| Answer» E. | |
| 5. |
A handoff is initiated when the power received from the base station of a neighbouring cell falls behind the power received from the current base station by certain level. |
| A. | True |
| B. | False |
| Answer» C. | |
| 6. |
The time over which a call can be maintained within a cell without handoff is called _________ |
| A. | Run time |
| B. | Peak time |
| C. | Dwell time |
| D. | Cell time |
| Answer» D. Cell time | |
| 7. |
Handoff does not require voice and control channel to be allocated to channels associated with the new base station. |
| A. | True |
| B. | False |
| Answer» C. | |
| 8. |
WHAT_IS_THE_DISADVANTAGE_OF_GUARD_CHANNEL??$ |
| A. | Efficient utilization of spectrum |
| B. | Cross talk |
| C. | Near far effect |
| D. | Reduce total carried traffic |
| Answer» E. | |
| 9. |
Umbrella cell approach is possible by using ______$ |
| A. | Antenna of same heights |
| B. | Antenna of different heights |
| C. | Different voice channels |
| D. | Different control channels |
| Answer» C. Different voice channels | |
| 10. |
Which_of_the_following_priority_handoff_method_decrease_the_probability_of_forced_termination_of_a_call_due_to_lack_of_available_channels?$ |
| A. | Queuing |
| B. | Guard channel |
| C. | Cell dragging |
| D. | Near far effect |
| Answer» B. Guard channel | |
| 11. |
Soft handoff is also known as _________ |
| A. | MAHO |
| B. | Hand over |
| C. | Break before make |
| D. | Make before break |
| Answer» E. | |
| 12. |
How much time it takes for handoff in digital cellular systems like GSM? |
| A. | 1 second |
| B. | 10 seconds |
| C. | 1 minute |
| D. | 10 milliseconds |
| Answer» B. 10 seconds | |
| 13. |
What was the typical handoff time in first generation analog cellular systems? |
| A. | 1 second |
| B. | 10 seconds |
| C. | 1 minute |
| D. | 10 milliseconds |
| Answer» C. 1 minute | |
| 14. |
Cell_dragging_is_a_problem_occur_due_to_______ |
| A. | Pedestrian users |
| B. | Stationary users |
| C. | High speed mobile systems |
| D. | Base stations having same frequency |
| Answer» B. Stationary users | |
| 15. |
What is the condition for intersystem interference? |
| A. | Mobile moves from one cell to another cell |
| B. | Mobile remains in the same cell |
| C. | Mobile moves from one cellular system to another cellular system |
| D. | Mobile remains in the same cluster |
| Answer» D. Mobile remains in the same cluster | |
| 16. |
A handoff is initiated when the power received from the base station of a neighbouring cell falls behind the power received from the current base station by certain level. State whether True or False. |
| A. | True |
| B. | False |
| Answer» C. | |
| 17. |
MAHO stands for ______ |
| A. | MSC assisted handoff |
| B. | Mobile assisted handoff |
| C. | Machine assisted handoff |
| D. | Man assisted handoff |
| Answer» C. Machine assisted handoff | |
| 18. |
Which of the following is associated with the handoff in first generation analog cellular systems? |
| A. | Locator receiver |
| B. | MAHO |
| C. | Cell dragging |
| D. | Breathing cell |
| Answer» B. MAHO | |
| 19. |
Dwell time does not depend on which of the following factor? |
| A. | Propagation |
| B. | Interference |
| C. | Distance between subscriber and base station |
| D. | Mobile station |
| Answer» E. | |
| 20. |
The time over which a call can be maintained within a cell without handoff is called ______ |
| A. | Run time |
| B. | Peak time |
| C. | Dwell time |
| D. | Cell time |
| Answer» D. Cell time | |
| 21. |
Handoff does not require voice and control channel to be allocated to channels associated with the new base station. State whether True or False. |
| A. | True |
| B. | False |
| Answer» C. | |
| 22. |
What is the condition for handoff? |
| A. | A mobile moves into a different cell while in conversation |
| B. | A mobile remains in the same cell while in conversation |
| C. | A mobile moves to different cell when idle |
| D. | A mobile remains in the same cell and is idle |
| Answer» B. A mobile remains in the same cell while in conversation | |