Internet of things Multiple Choice Questions and Answers – Publishing Messages with Commands

Questions

1 What is the java extension file in IoT?

A .jar

B .c

C .exe

D .py

View Answer

Answer: .jar

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

View Answer

Answer: May or may not

Article and Schedule Quiz	Start Test!

DOWNLOAD CURRENT AFFAIRS PDF FROM APP

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

View Answer

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

View Answer

Answer: Client

5 Does user has authority for all topics.

A True

B False

View Answer

Answer: False

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

View Answer

Answer: YAML_syntax

7 Which command displays the band width?

A rostopic hz

B rostopic delay

C rostopic echo

D rostopic bw

View Answer

Answer: 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

View Answer

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

View Answer

Answer: rostopic echo

10 Which command finds out the topic?

A rostopic bw

B rostopic delay

C rostopic delay

D rostopic delay

View Answer

Answer: rostopic delay

ADRE 2.0 FULL LENGTH MOCK TEST

Take Mock Tests

Missiles Mock Test	Start Test!
SSC MTS Mock Test	Start Test
IBPS CLERK MOCK TEST	Start Test
SSC MTS 2022 JULY 26 Shift 1 (ENGLISH)	Start Test!
SSC GD Previous Year Paper 2021 Nov 17 Shift - I (Hindi)	Start Test!
SSC CGL Tier - 1 PYP 2022 April 21 Shift- 1 (ENGLISH)	Start Test!
MPSC PAPER I MOCK TEST 1 (ENGLISH)	Start Test!
IB Security Assistant Mock test 1 (english)	Start Test!
UP POLICE CONSTABLE MOCK TEST 1	Start Test!
DELHI POLICE CONSTABLE MOCK TEST 1 (HINDI)	Start Test!