MCQOPTIONS
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MCQOPTIONS
This section includes 20 Mcqs, each offering curated multiple-choice questions to sharpen your Digital Communications knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Short code is configured using ______ shift register. |
| A. | 4-stage |
| B. | 2-stage |
| C. | 12-stage |
| D. | 15-stage |
| Answer» E. | |
| 2. |
Walsh cover technique is used for |
| A. | Channelization |
| B. | Spreading |
| C. | Channelization & Spreading |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 3. |
The steps followed in forward channel CDMA includes |
| A. | Modulo 2 addition |
| B. | Channelization |
| C. | Modulo 2 addition & Channelization |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 4. |
The types of channels that reverse channel contains are |
| A. | Traffic |
| B. | Access |
| C. | Traffic & Access |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 5. |
THE_TYPES_OF_CHANNELS_THAT_REVERSE_CHANNEL_CONTAINS_ARE?$ |
| A. | Traffic |
| B. | Access |
| C. | Traffic & Access |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 6. |
Walsh cover technique is used for$ |
| A. | Channelization |
| B. | Spreading |
| C. | Channelization & Spreading |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 7. |
The_steps_followed_in_forward_channel_CDMA_includes$ |
| A. | Modulo 2 addition |
| B. | Channelization |
| C. | Modulo 2 addition & Channelization |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 8. |
Which serves the soft hand-off process? |
| A. | Base station |
| B. | Mobile switching center |
| C. | Mobile |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 9. |
Which serves the hard hand-off process? |
| A. | Base station |
| B. | Mobile switching center |
| C. | Mobile |
| D. | None of the mentioned |
| Answer» C. Mobile | |
| 10. |
Which channel is more robust? |
| A. | Forward channel |
| B. | Reverse channel |
| C. | Forward & Reverse channel |
| D. | None of the mentioned |
| Answer» B. Reverse channel | |
| 11. |
How many channels are transmitted in the forward and reverse direction? |
| A. | 1,64 |
| B. | 64,1 |
| C. | 2,32 |
| D. | 32,2 |
| Answer» C. 2,32 | |
| 12. |
Short_code_is_configured_using________shift_register. |
| A. | 4-stage |
| B. | 2-stage |
| C. | 12-stage |
| D. | 15-stage |
| Answer» E. | |
| 13. |
Which type of channel does the forward link contain? |
| A. | Paging |
| B. | Pilot |
| C. | Traffic |
| D. | All of the mentioned |
| Answer» E. | |
| 14. |
Which technique is dimension limited? |
| A. | TDMA |
| B. | FDMA |
| C. | TDMA & FDMA |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 15. |
Which technique is interference limited? |
| A. | TDMA |
| B. | CDMA |
| C. | AMPS |
| D. | None of the mentioned |
| Answer» C. AMPS | |
| 16. |
Which has more user capacity? |
| A. | CDMA |
| B. | AMPS |
| C. | TDMA |
| D. | None of the mentioned |
| Answer» B. AMPS | |
| 17. |
Bandwidth efficiency improvement involves |
| A. | Dividing the geographical region into cells |
| B. | Allowing frequency allocation |
| C. | Dividing the geographical region into cells & Allowing frequency allocation |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 18. |
In CDMA ______ frequency reuse is possible. |
| A. | No |
| B. | 50% |
| C. | 90% |
| D. | 100% |
| Answer» E. | |
| 19. |
If the active users using a cell doubles, the required Eb/I0 |
| A. | Doubles |
| B. | Halves |
| C. | Remains the same |
| D. | None of the mentioned |
| Answer» C. Remains the same | |
| 20. |
In the case of direct CDMA, interference will occur if the PN codes are |
| A. | Orthogonal to each other |
| B. | Non orthogonal to each other |
| C. | Orthogonal & Non orthogonal to each other |
| D. | None of the mentioned |
| Answer» C. Orthogonal & Non orthogonal to each other | |