MCQOPTIONS
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MCQOPTIONS
This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your Computer Networks knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
In a simple echo-request message, the value of the sum is 01010000 01011100. Then, value of checksum is ___________ |
| A. | 10101111 10100011 |
| B. | 01010000 01011100 |
| C. | 10101111 01011100 |
| D. | 01010000 10100011 |
| Answer» B. 01010000 01011100 | |
| 2. |
In windows ____________ can be used to trace the route of the packet from the source to the destination. |
| A. | traceroute |
| B. | tracert |
| C. | ping |
| D. | locater |
| Answer» C. ping | |
| 3. |
During debugging, we can use the ____________ program to find if a host is alive and responding. |
| A. | traceroute |
| B. | shell |
| C. | ping |
| D. | java |
| Answer» D. java | |
| 4. |
Two machines can use the timestamp request and timestamp replay messages to determine the ___________ needed for an IP datagram to travel between them. |
| A. | Half-trip time |
| B. | Round-trip time |
| C. | Travel time for the next router |
| D. | Time to reach the destination/source |
| Answer» C. Travel time for the next router | |
| 5. |
In case of time exceeded error, when the datagram visits a router, the value of time to live field is _________ |
| A. | Remains constant |
| B. | Decremented by 2 |
| C. | Incremented by 1 |
| D. | Decremented by 1 |
| Answer» E. | |
| 6. |
When a router cannot route a datagram or host cannot deliver a datagram, the datagram is discarded and the router or the host sends a ____________ message back to the source host that initiated the datagram. |
| A. | Destination unreachable |
| B. | Source quench |
| C. | Router error |
| D. | Time exceeded |
| Answer» B. Source quench | |
| 7. |
ICMP error message will not be generated for a datagram having a special address such as _______ |
| A. | 127.0.0.0 |
| B. | 12.1.2 |
| C. | 11.1 |
| D. | 127 |
| Answer» B. 12.1.2 | |
| 8. |
Internet Control Message Protocol (ICMP) has been designed to compensate _________ |
| A. | Error-reporting |
| B. | Error-correction |
| C. | Host and management queries |
| D. | All of the mentioned |
| Answer» E. | |
| 9. |
TWO_MACHINES_CAN_USE_THE_TIMESTAMP_REQUEST_AND_TIMESTAMP_REPLAY_MESSAGES_TO_DETERMINE_THE_____________NEEDED_FOR_AN_IP_DATAGRAM_TO_TRAVEL_BETWEEN_THEM.?$ |
| A. | Half-trip time |
| B. | Round-trip time |
| C. | Travel time for the next router |
| D. | Time to reach the destination/source |
| Answer» C. Travel time for the next router | |
| 10. |
In windows, ____________ can be used to trace the route of the packet from the source to the destination$ |
| A. | Traceroute |
| B. | Tracert |
| C. | Ping |
| D. | Locater |
| Answer» C. Ping | |
| 11. |
During debugging, we can use the ____________ program to find if a host is alive and responding$ |
| A. | Traceroute |
| B. | Shell |
| C. | Ping |
| D. | Java |
| Answer» D. Java | |
| 12. |
In case of time exceeded error, when the datagram visits a router, the value of time to live field i? |
| A. | Remains constant |
| B. | Decremented by 2 |
| C. | Incremented by 1 |
| D. | Decremented by 1 |
| Answer» E. | |
| 13. |
The source-quench message in ICMP was designed to add a kind of ____________ to the IP. |
| A. | Error control |
| B. | Flow control |
| C. | Router control |
| D. | None of the mentioned |
| Answer» C. Router control | |
| 14. |
ICMP error message will not be generated for a datagram having a special address such as |
| A. | 127.0.0.0 |
| B. | 12.1.2 |
| C. | 11.1 |
| D. | 127 |
| Answer» B. 12.1.2 | |
| 15. |
During error reporting, ICMP always reports error messages to |
| A. | Destination |
| B. | Source |
| C. | Next router |
| D. | Previous router |
| Answer» C. Next router | |