MCQOPTIONS
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MCQOPTIONS
This section includes 12 Mcqs, each offering curated multiple-choice questions to sharpen your Internet of things (IoT) knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which command finds out the topic? |
| A. | rostopic bw |
| B. | rostopic delay |
| C. | rostopic echo |
| D. | rostopic find |
| Answer» E. | |
| 2. |
rostopic delay will provide delay for ___________ |
| A. | Topics which has header |
| B. | Topics which has tail |
| C. | Topics which has tail and head |
| D. | To all topics |
| Answer» B. Topics which has tail | |
| 3. |
WHICH_COMMAND_DISPLAYS_MESSAGES_PUBLISHED_TO_A_TOPIC??$ |
| A. | rostopic bw |
| B. | rostopic delay |
| C. | rostopic echo |
| D. | rostopic hz |
| Answer» D. rostopic hz | |
| 4. |
Which_command_finds_out_the_topic?$ |
| A. | rostopic bw |
| B. | rostopic delay |
| C. | rostopic echo |
| D. | rostopic find |
| Answer» E. | |
| 5. |
rostopic delay will provide delay for __________? |
| A. | Topics which has header |
| B. | Topics which has tail |
| C. | Topics which has tail and head |
| D. | To all topics |
| Answer» B. Topics which has tail | |
| 6. |
Which command displays the band width? |
| A. | rostopic hz |
| B. | rostopic delay |
| C. | rostopic echo |
| D. | rostopic bw |
| Answer» E. | |
| 7. |
ROSTOPIC uses _________ at the command line for representing the content of the message. |
| A. | YAML_syntax |
| B. | rostopic bw |
| C. | rostopic delay |
| D. | rostopic echo |
| Answer» B. rostopic bw | |
| 8. |
Does user has authority for all topics. |
| A. | True |
| B. | False |
| Answer» C. | |
| 9. |
The message is sent to the input queue of a message flow that contains a _________ |
| A. | Subscriber |
| B. | Server |
| C. | Publication node |
| D. | Client |
| Answer» E. | |
| 10. |
Publish command message is sent from _________ |
| A. | Only publisher to broker |
| B. | Only broker to publisher |
| C. | Publisher to broker and broker to publisher |
| D. | Server to client |
| Answer» D. Server to client | |
| 11. |
Do we run our program in the same computer where we have written? |
| A. | True |
| B. | False |
| C. | May or may not |
| D. | Cannot be determined |
| Answer» D. Cannot be determined | |
| 12. |
What is the java extension file in IoT? |
| A. | .jar |
| B. | .c |
| C. | .exe |
| D. | .py |
| Answer» B. .c | |