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Internet of Things (IOT) MCQs with Answers

 

Internet of Things solved MCQs

Terms SSL and TLS stand for:

a. Secure Socket Layers and Transport Layer Session

b. Secure Socket Layers and Transport Layer Security

c. Secure Socket Layout and Transport Level Session

d. Session Socket Layers and Transport Layer Session


Which one out of these is not a data link layer technology:

a. Bluetooth

b. UART

c. WiFi

d. HTTP

 

 

Which transport layer protocols is used by DHCP?

a. RSVP

b. TCP

c. DCCP

d. UDP

 

 

Which layer is called a port layer in OSI model:

a. Session

b. Application

c. Presentation

d. Transport

 

 

What is a firewall in computer networks:

a. A system designed to prevent unauthorized access

b. A web browser

c. The physical boundary of network

d. The Network Operating System

 

Standard port number for secure MQTT is:

a. 1883

b. 8000

c. 8883

d. 8888

 

Router operate at ............ layer of OSI reference model?

a. Layer 2 (Data Link)

b. Layer 3 (Network)

c. Layer 1 (Physical)

d. Layer 4 (Transport)

 

 

Each IP packet must contain:

a. Only Destination IP Address

b. Only Source IP Address

c. None of Above

d. Source and destination IP Addresses

 

 

Which one of this is not a networking device:

a. Router

b. Switch

c. Bridge

d. Traffic Analyzer

 

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What is the standard length of MAC address:

a. 16 bits

b. 32 bits

c. 48 bits

d. 64 bits

 

 

What is the use of Ping command:

a. To know network speed

b. None of the above

c. To test a host on the network is reachable

d. To test storage device

 

Is CoAP a IETF standard?

True

False

 

What is Secure Shell (SSH):

a. A router

b. A firewall

c. A network protocol

d. Python Shell

 

 

What does VNC stand for:

a. Various Network computers

b. Virtual Network Computing

c. None of the above

d. Virtual Network Communication

 

 

What is the purpose of bin directory in Linux environment:

a. Contains essential device files

b. Contains essential binary commands

c. Containing configuration files

d. Contains user home directories

 

 

What is Inter Integrated Communication(I2C):

a. An application layer protocol

b. A networking communication protocol for multi-master support

c. An OS for distributed network communication

d. A cellular communication protocol

 

 

How many wires does SPI protocol use:

a. 2

b. 3

c. 1

d. 4

 

 

What does LTE stand for:

a. Long Term Errors

b. Long Term Evolution

c. Lengthy Terminal Estimation

d. Long Term Estimates

 

Bluetooth 5.0 promises:

a. 4x Speed, 2x Range, 2x Data

b. 6x Speed, 3x Range, 3x Data

c. 2x Speed, 4x Range, 8x Data

d. 3x Speed, 4x Range, 8x Data

 

Which one out of these is not LPWAN technologies:

a. SigFox

b. WiFi

c. NB-IoT

d. LoRa

 

 

Frequency band used by 802.11 ah standard is:

a. 60 GHz

b. 2.4 GHz

c. Sub 1 GHz

d. 5 GHz

 

 

Fuzzy Logic is a form of:

a. Hexa state logic

b. Two-valued logic

c. Binary set logic

d. Many valued logic

 

 

_________ involves predicting a response with meaningful magnitude, such as quantity sold, stock price, or return on investment.

a. Summarization

b. Clustering

c. All of the mentioned

d. Regression

 

 

Which of the following  language is preferred for IoT analytics ?

a. Python

b. S

c. R

d. All of the mentioned

 

 

Which one is simplest form of analytics

a. Predictive

b. Descriptive

c. All of the mentioned

d. Prescriptive

 

 

The method by which companies analyze customer data or other types of information in an effort to identify patterns and discover relationships between different data elements is often referred to as:

a. Customer data management

b. Data mining

c. Data digging

d. None of the above

 

 

A collection of lines that connects several devices is called ..............

a. Bus

b. Cable

c. Power line

d. Transmission Line

 

 

A start bit in UART communication is always:

a. 1

b. Neither of these

c. 0

 

 

Machine learning is

a. The selective acquisition of knowledge through the use of manual programs

b. The autonomous acquisition of knowledge through the use of manual programs

c. The selective acquisition of knowledge through the use of computer programs

d. The autonomous acquisition of knowledge through the use of computer programs

 

 

HTTP resources are located by

a. unique resource locator

b. unique resource identifier

c. none of the mentioned

d. uniform resource identifier

 

 

What is the TCP name for a transport service access point

a. none of the mentioned

b. node

c. pipe

d. port

 

 

A Denial of Service attack is:

a. Connection flooding

b. Bandwidth flooding

c. All of the mentioned

d. Vulnerability attack

 

 

A packet sniffer is

a. Active receiver

b. Both of the mentioned

c. Passive receiver

d. None of the mentioned

 

 

IPSec provides security at:

a. Physical Layer

b. Network Layer

c. Transport Layer

d. Session Layer

 

 

WPA is a security mechanism in

a. WiFi

b. Cloud

c. Bluetooth

d. Ethernet

 

 

Network topology with a central hub or switch is

a. Mesh

b. Token ring

c. Star

d. Token bus

 

 

Internet domain name and hostname are translated into IP address by

a. Domain name system

b. Domain name database

c. Router

d. Domain information system

 

 

Which protocol allows user at one site to establish connection to another site and pass keystroke from local to remote host:

a. Telnet

b. FTP

c. IP

d. HTTP

 

Is MQTT a Standard?

Yes

No

 

How many times setup function runs in Arduino IDE:

a. None of the above

b. 10

c. 2

d. 1

 

 

How many times loop function runs in Arduino IDE:

a. 4

b. forever

c. 1

d. 5

 

 

What error occurs when you execute?

x = abc

a. NameError

b. SyntaxError

c. ValueError

d. TypeError

 

 

PWM stands for:

a. None of the above

b. Pulse Width Mode

c. Pulse With Modulation

d. Pulse Width Modulation

 

 

Raspbian is:

a. Assembler

b. Language

c. Compiler

d. OS

 

 

CGI stands for:

a. Common Gateway Interest

b. Common Gateway Interrupt

c. Common Gate Interference

d. Common Gateway Interface

 

 

MQTT is:

a. Based on client-server architecture

b. Based on publish-subscribe architecture

c. Based on both of the above

d. Based on none of the above

 

 

What is the access point (AP) in wireless LAN?

a. none of the mentioned

b. wireless devices itself

c. both (a) and (b)

d. device that allows wireless devices to connect to a wired network

 

 

In wireless ad-hoc network

a. none of the mentioned

b. access point is not required

c. nodes are not required

d. access point is must

 

 

Which multiple access technique is used by IEEE 802.11 standard for wireless LAN?

a. ALOHA

b. CSMA/CA

c. CDMA

d. none of the mentioned

 

 

Which is the correct operator for power(x^y)?

a. x^y

b. x^^y

c. x**y

d. None of the mentioned

 

 

What is WPA?

a. wi-fi protected access

b. wired process access

c. wired protected access

d. wi-fi process access

 

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The answer of 2+3L is:

a. 5.0

b. 5L

c. 5

d.  Error

 

 

An interconnected collection of piconet is called

a. micronet

b. scatternet

c. mininet

d. none of the mentioned

 

 

In a piconet, there can be up to _____ parked nodes in the net.

a. 511

b. 63

c. 255

d. 127

 

 

Secure shell (SSH) network protocol is used for

a. remote command-line login

b. remote command execution

c. all of the mentioned

d. secure data communication

 

 

The network layer concerns with

a. bits

b. frames

c. none of the mentioned

d. packets

 

 

Ethernet frame consists of

a. none of the mentioned

b. IP address

c. both (a) and (b)

d. MAC address

 

 

What is internet?

a. interconnection of local area networks

b. a vast collection of different networks

c. a single network

d. none of the mentioned

 

 

DNS database contains

a. hostname aliases

b. hostname-to-address records

c. all of the mentioned

d. name server records


IANA stands for:

a. Internal Assessment Numerical Access

b. Internet Association Numbers Authority

c. International Aid for Network Automation

d. Internet Assigned Numbers Authority

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