Explore topic-wise MCQs in Testing Subject.

This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.

1.

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
2.

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.
3.

Publish command message is sent from

A. only publisher to broker
B. only broker to publisher
C. publisher to broker and broker topublisher
D. server to client
Answer» D. server to client
4.

Do we run our program in the same computer wherewe have written?

A. true
B. false
C. may or maynot
D. cannot bedetermined
Answer» D. cannot bedetermined
5.

Command is used to retrieve the latest dweetmade for our thing

A. http
B. httpie
C. curl
D. restful api
Answer» C. curl
6.

A program written with the IDE for Arduino is called

A. ide source
B. sketch
C. cryptography
D. source code
Answer» C. cryptography
7.

Arduino shields are also called as

A. extra peripherals
B. add on modules
C. connectivity modules
D. another arduinos
Answer» C. connectivity modules
8.

Which instruction set architecture is used in RaspberryPi?

A. x86
B. msp
C. avr
D. arm
Answer» E.
9.

What is the range of microSD card that is connectedexternally?

A. 16gb
B. 32gb
C. 8gb
D. 64gb
Answer» C. 8gb
10.

The 10/100Mbit Ethernet support enables the board toconnect to

A. lan
B. man
C. wan
D. wlan
Answer» B. man
11.

Communication between                 and                 is encrypted for security.

A. cloud and device
B. end user and data center
C. network and device
D. cloud and network
Answer» C. network and device
12.

The availability of                 is the cloud services provider who will host video and data for end users.

A. devices
B. memory
C. security system
D. objects
Answer» D. objects
13.

SLA stands for

A. service level agreement
B. security level agreement
C. system local area
D. service local area
Answer» B. security level agreement
14.

There are efficiency gains from                 all sorts of equipment.

A. implementat ion
B. analogous
C. evolution
D. digitization
Answer» E.
15.

Number of pins in 8051 microcontroller with                 package.

A. 40 pin withllc
B. 60 pinwith qfp
C. 40 pin withdip
D. 60 pin withqfp
Answer» D. 60 pin withqfp
16.

In             an object of type Thread in the namespace System.Threading represents and controls one thread.

A. . py
B. .sap
C. .net
D. .exe
Answer» D. .exe
17.

. ENOB stands for

A. effective no of bits
B. effective no of bytes
C. efficient no of bits
D. efficient no of bytes
Answer» B. effective no of bytes
18.

Using which customized endpoint will be accessed overHTTP?

A. id andenabled
B. enabled
C. sensitive
D. id
Answer» E.
19.

should be added to start the existing actuators in boot.

A. spring-boot- actuator
B. sprint-actuator- boot
C. boot-spring- actuator
D. actuator- spring-boot
Answer» B. sprint-actuator- boot
20.

enables production-ready feature to thespring boot application.

A. actuators
B. endpoint
C. boot
D. hyper media
Answer» B. endpoint
21.

AIDC stands for

A. data carriers
B. carriers
C. computing
D. device carriers
Answer» B. carriers
22.

is prototyping and testing a scalable.Secure Distribution Tolerant Mesh Network to protect strategic military assets.

A. spanar
B. spawar
C. apwanr
D. spanar
Answer» C. apwanr
23.

Fog computing can be perceived in                       and

A. big data and cloud systems
B. big data and iot
C. cloud systems and iot
D. big data, cloud systems and iot
Answer» B. big data and iot
24.

Supplementary platforms in the architecture providesupport for these services.

A. true
B. false
Answer» B. false
25.

IoT promotes the creation of IoT terminal industry

A. devices
B. network
C. clusters
D. things
Answer» D. things
26.

The core element is operated by

A. paas
B. iotservice provider
C. saas
D. iaas
Answer» C. saas
27.

The core element of architecture of smart city is

A. mobile unified service
B. urban application platform
C. management center
D. integrated information provider
Answer» E.
28.

An IoT                 center is envisaged as an important part of the generic IoT platform to unify the organization.

A. individual information
B. individual integration
C. integrated information
D. individual and integrated information
Answer» D. individual and integrated information
29.

. The use of RFID in product logistics may realizeautomatic acquisition of logistics information.

A. true
B. false
Answer» B. false
30.

In order to improve their competitiveness and services assurance, the                 require independently fundedIoT projects.

A. egovermnent related
B. enterprise-based
C. company based
D. business orientedplatform
Answer» C. company based
31.

ITS stands for

A. internet travel services
B. internet transportat ion security
C. intelligent transportation security
D. intelligent transportation services
Answer» E.
32.

The IoT platforms are mainly divided into how manytypes

A. 3 types
B. 5 types
C. 4 types
D. 2 types
Answer» D. 2 types
33.

IoT is a paradigm that involves ubiquitous presence inthe environment

A. true
B. false
Answer» B. false
34.

a cellular network is expensive, especially withmany IoT devices.

A. signaling
B. security
C. bandwidth
D. powerconsumption
Answer» D. powerconsumption
35.

Which challenge comes when we use many devices onthe same network?

A. signaling
B. security
C. presencedetection
D. powerconsumption
Answer» E.
36.

gives an exact, up to the second state of alldevices on a network.

A. signaling
B. security
C. presencedetection
D. powerconsumption
Answer» D. powerconsumption
37.

Which challenge comes under IoT devices, reliablebidirectional signaling.

A. signaling
B. security
C. presencedetection
D. powerconsumption
Answer» B. security
38.

in IoT as one of the key characteristics, devices have different hardware platforms andnetworks.

A. sensors
B. heterogeneity
C. security
D. connectivity
Answer» C. security
39.

Provide the means to create capability that reflects true awareness of the physical world and people.

A. sensors
B. b)heterogene ity
C. security
D. connectivity
Answer» B. b)heterogene ity
40.

The collection of data is achieved with                 changes.

A. intelligence
B. b)connectivit y
C. dynamic nature
D. enormous scale
Answer» D. enormous scale
41.

empowers IoT by bringing together everyday objects.

A. intelligence
B. b)connectivit y
C. dynamic nature
D. enormous scale
Answer» C. dynamic nature
42.

The original IEEE 802 MAC addresscomes from

A. mac address
B. ip address
C. ethernetaddress
D. http
Answer» D. http
43.

IEEE standards for Institute of Electricaland Electronics Engineers.

A. false
B. true
Answer» C.
44.

On wireless networks                    filtering isthe security measure.

A. oui
B. ip
C. nic
D. mca
Answer» E.
45.

MAC addresses are very useful indiagnosing network issues.

A. true
B. false
Answer» B. false
46.

Number of approaches gateway can beinstalled?

A. 2 approaches
B. 3 approaches
C. 2 approaches
D. 2 approaches
Answer» C. 2 approaches
47.

Gateway software should be smartenough to handle

A. gps
B. message
C. logging
D. sensors
Answer» D. sensors
48.

Does IOT gateway provide security for thenetwork.

A. true
B. false
Answer» B. false
49.

Sensors provide                  data per second.

A. hundreds of hundreds of data
B. hundreds of thousands of data
C. tens of hundreds of data
D. tens of thousands of data
Answer» E.
50.

Gateway provides the connection between                      and

A. cloud and controller
B. network andcloud
C. network andcontroller
D. controller anddevice
Answer» B. network andcloud