MCQOPTIONS
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This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your ENGINEERING SERVICES EXAMINATION (ESE) knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
In symmetric key cryptosystem, who knows the key? |
| A. | Sender |
| B. | Receiver |
| C. | Sender & Receiver |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 2. |
Which has better minimum distance? |
| A. | Check sum |
| B. | Cyclic redundancy check |
| C. | Check sum & Cyclic redundancy check |
| D. | None of the mentioned |
| Answer» C. Check sum & Cyclic redundancy check | |
| 3. |
Which is more complex? |
| A. | Encoding |
| B. | Decoding |
| C. | Encoding & Decoding |
| D. | None of the mentioned |
| Answer» C. Encoding & Decoding | |
| 4. |
Which operates on continuous stream of data? |
| A. | Block codes |
| B. | Convolutional codes |
| C. | Block & Convolutional codes |
| D. | None of the mentioned |
| Answer» C. Block & Convolutional codes | |
| 5. |
Which are forward error correcting codes? |
| A. | Block codes |
| B. | Convolutional codes |
| C. | Block & Convolutional codes |
| D. | Block & Convolutional codes |
| Answer» D. Block & Convolutional codes | |
| 6. |
Digital signals are easy for |
| A. | Storage |
| B. | Handling |
| C. | Time dilation |
| D. | All of the mentioned |
| Answer» E. | |
| 7. |
Which is used to protect privacy of the information? |
| A. | Compression coding |
| B. | Source coding |
| C. | Cipher coding |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 8. |
Which gets less affected by noise? |
| A. | Which gets less affected by noise? |
| B. | Error detection |
| C. | Error correction & detection |
| D. | None of the mentioned |
| Answer» C. Error correction & detection | |
| 9. |
Which needs more check bits? |
| A. | Error correction |
| B. | Error detection |
| C. | Error correction & detection |
| D. | None of the mentioned |
| Answer» B. Error detection | |
| 10. |
Which needs re-sending of signal? |
| A. | Error correction |
| B. | Error detection |
| C. | Error correction & detection |
| D. | None of the mentioned |
| Answer» C. Error correction & detection | |