MCQOPTIONS
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MCQOPTIONS
This section includes 12 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. |
Which are non orthogonal multiplexing? |
| A. | TDM |
| B. | FDM |
| C. | TDM & FDM |
| D. | None of the mentioned |
| Answer» E. | |
| 2. |
Minimum packet size increases as |
| A. | Speed increases |
| B. | Distance increases |
| C. | Speed & Distance increases |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 3. |
MINIMUM_PACKET_SIZE_INCREASES_AS?$ |
| A. | Speed increases |
| B. | Distance increases |
| C. | Speed & Distance increases |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 4. |
Which are non orthogonal multiplexing?$ |
| A. | TDM |
| B. | FDM |
| C. | TDM & FDM |
| D. | None of the mentioned |
| Answer» E. | |
| 5. |
Which isolates collision? |
| A. | Bridges |
| B. | Routers |
| C. | Bridges & Routers |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 6. |
In CSMA, collision window is _____ to cable length. |
| A. | Equal |
| B. | Greater |
| C. | Lesser |
| D. | None of the mentioned |
| Answer» C. Lesser | |
| 7. |
In slotted system, access is |
| A. | Synchronous |
| B. | Asynchronous |
| C. | Synchronous & Asynchronous |
| D. | None of the mentioned |
| Answer» C. Synchronous & Asynchronous | |
| 8. |
Reservation systems are useful when |
| A. | Delay is small |
| B. | Delay is large |
| C. | Delay is small or large |
| D. | None of the mentioned |
| Answer» C. Delay is small or large | |
| 9. |
Example of reservation system is |
| A. | Synchronous TDM |
| B. | Non synchronous TDM |
| C. | Synchronous & Non synchronous TDM |
| D. | None of the mentioned |
| Answer» B. Non synchronous TDM | |
| 10. |
Random access is |
| A. | Distributed |
| B. | Fault tolerant |
| C. | Distributed & Fault tolerant |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 11. |
Which provides constant delay? |
| A. | Synchronous TDM |
| B. | Non synchronous TDM |
| C. | Synchronous & Non synchronous TDM |
| D. | None of the mentioned |
| Answer» B. Non synchronous TDM | |
| 12. |
Which is based on orthogonality? |
| A. | TDM |
| B. | FDM |
| C. | TDM & FDM |
| D. | None of the mentioned |
| Answer» C. TDM & FDM | |