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Free download in PDF IOT (Internet of Things) Questions and Answers Multiple Choice Questions and Answers for competitive exams. These short objective type questions with answers are very important for Board exams as well as competitive exams like UPSC, NDA, SSC etc. These short solved questions or quizzes are provided by Gkseries./p>
(1)
What is the java extension file in IoT?
[A]
.jar
[B]
.c
[C]
.exe
[D]
.py
(2)
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
(3)
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: Publisher to broker and broker to publisher
(4)
The message is sent to the input queue of a message flow that contains a _________
[A]
Subscriber
[B]
Server
[C]
Publication node
[D]
Client
(5)
Does user has authority for all topics.
(6)
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
(7)
Which command displays the band width?
[A]
rostopic hz
[B]
rostopic delay
[C]
rostopic echo
[D]
rostopic bw
(8)
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: Topics which has header
(9)
Which command displays messages published to a topic?
[A]
rostopic bw
[B]
rostopic delay
[C]
rostopic echo
[D]
rostopic hz
(10)
Which command finds out the topic?
[A]
rostopic bw
[B]
rostopic delay
[C]
rostopic delay
[D]
rostopic delay
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