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ESP8266 and Arduino Quiz

Total questions: 106

Worksheet time: 53mins

Name
Class
Date
1.

What is the optimum supply current that is required to operate the ESP8266 WiFi Module?

a)

28 A

b)

13 mA

c)

100 mA

d)

50 mA

2.

What is the type of waves that the ESP8266 WiFi Module detects?

a)

Infrared Signal

b)

Radio Signal

c)

DC Signal

d)

Hybrid Signal

3.

What kind of device is the ESP8266 WiFi Module?

a)

Passive Sensor

b)

Active Sensor

c)

Networking Device

d)

Switching Device

4.

What mode does the ESP8266 WiFi Module switch to when fed the sequence 0 1 to its GPIO-0 and GPIO-

a)

UART Mode

b)

Sleep Mode

c)

Active Mode

d)

Flash Mode

5.

What is the allowable external regulated supply which can be provided to the ESP8266 through Vin?

a)

12V

b)

5V

c)

3.3V

d)

9V

6.

Which of the following sensors can be used with ESP8266?

a)

MPU 6050

b)

BMP 280

c)

HC-05

d)

All of these

7.

While writing a code for using ESP8266 with wifi, we need to specify the SSID. What is it?

a)

Service Set Identifier

b)

It's the password of the local wifi

c)

It's the time of connection

d)

None of these

8.

How to provide the voltage to the NODEMCU?

a)

Through micro USB

b)

VOLTAGE REGULATOR

c)

Using USB port

d)

12 V Adapter

9.

What is the use of ESP8266 WiFi module?

a)

Monitor the motion

b)

Network provider

c)

Evaluate air pressure

d)

Switches the circuit

10.

What will happen if we supply a voltage of 250 KV to the Vcc of the ESP 8266 Wi Fi Module?

a)

Damage is caused

b)

Module will shut down

c)

Module will not respond

d)

Module will function

11.

What kind of device is the ESP 8266 Wi Fi module?

a)

Passive sensor

b)

active sensor

c)

networking device

d)

switching device

12.

To which pin is the on board LED of the ESP8266 connected?

a)

D5

b)

A0

c)

D13

d)

D0

13.

Raman is searching that pin of Nodemcu ESP8266 which can be used to give signal to a servo motor.

a)

It's an analog pin

b)

It can be used to give

c)

This pin has PWM channel

d)

None of these

14.

How many pins are in NODE MCU?

a)

15

b)

30

c)

40

d)

16

15.

How many GPIO pins are in NODE MCU?

a)

15

b)

16

c)

13

d)

10

16.

Which is the pin number of inbuilt LED in the NODEMCU?

a)

11

b)

0

c)

13

d)

15

17.

How many pins are in ESP8266 Wi Fi module?

a)

12

b)

10

c)

8

d)

50

18.

What is the use of the TX pin?

a)

upload

b)

download

c)

ground

d)

power input

19.

What is the required voltage of ESP8266?

a)

3.3

b)

5.1

c)

2

d)

24

20.

What is Arduino?

a)

Programming language

b)

Image editing software

c)

Open-source electronics

d)

Text editor

21.

What language is a typical Arduino code based on?

a)

Assembly Code

b)

Python

c)

Java

d)

C/C++

22.

Arduino shields are also called as

a)

Another Arduinos

b)

Extra peripherals

c)

Add on modules

d)

Connectivity modules

23.

What language is the Arduino IDE built on?

a)

Java

b)

HTML

c)

C/C++

d)

Python

24.

How many analog pins are used in Arduino Mega board?

a)

12

b)

16

c)

8

d)

14

25.

Arduino Codes are referred to as in the Arduino IDE.

a)

sketches

b)

drawings

c)

links

d)

notes

26.

What is the use of the Arduino.h header file?

a)

It enables the

b)

It doesn’t have any use

c)

It gives root access to the

d)

It allows other people to

27.

What is the use of the Vin pin present on some Arduino Boards?

a)

To ground the Arduino

b)

To power the Arduino

c)

To provide a 5V output

d)

Is used for plugging in

28.

What is the correct execution process of an Arduino code?

a)

Editor->Preprocessor->Preprocessor->Editor->Compiler->Preprocessor->Editor->Compiler

b)

A

c)

B

d)

C

29.

What is the microcontroller used in Arduino UNO?

a)

ATmega32

b)

114

c)

AT91SAM3x 8E

d)

ATmega2560

e)

ATmega328p

30.

What is the operating voltage of Atmega328?

a)

1.9V to 5V

b)

1.8V to 5.5V

c)

1.1V to 5V

d)

12V to 9V

31.

What is the difference between an IDE and a compiler?

a)

The compiler executes

b)

The compiler links the

c)

The compiler and the IDE

d)

The IDE executes the

32.

Which is the software or a programming language used for controlling of Arduino?

a)

Assembly Language

b)

C Languages

c)

JAVA

d)

Any Language

33.

How many times does the setup() function run on every startup of the Arduino System?

a)

4

b)

5

c)

2

d)

1

34.

What is the use of the ESP8266 WiFi Module?

a)

Network Provider

b)

Switches circuits

c)

Evaluates air pressure

d)

Monitors Motion

35.

What is the full form of EEPROM?

a)

Electrically Encoded

b)

Encrypted

c)

Electronic

d)

Electrically Erasable Electronic

36.

What type of signal does the analogWrite() function output?

a)

Pulse Code Modulated

b)

Frequency Modulated

c)

Pulse Width Modulated

d)

Pulse Amplitude

37.

What is the use of the Ethernet library?

a)

To connect the Arduino

b)

To connect the Arduino

c)

To connect the Arduino to

d)

To connect the Arduino

38.

What mode should we put the Arduino pin to, in order for object detection to work with the Ultrasonic?

a)

TDM

b)

PCM

c)

Analog

d)

Digital

39.

What is the range of numbers you can store in a variable of type byte?

a)

0 to 9

b)

0 to 65535

c)

0 to 4294967295

d)

A

40.

What are the applications of IOT?

a)

House

b)

Office

c)

Environmental

d)

All of the above

41.

Which one is not an element of IoT?

a)

People

b)

Process

c)

Security

d)

Things

42.

The IOT is a based technology?

a)

Software

b)

Hardware

c)

Both a and b

d)

None of the above

43.

Choose the input device?

a)

Sensor

b)

Actuator

c)

NODEMCU

d)

Cloud computing

44.

How many main components IoT mainly consists of?

a)

2

b)

3

c)

4

d)

5

45.

How many layers are in IoT architecture?

a)

3

b)

5

c)

7

d)

9

46.

Which is the 1st layer of IoT system?

a)

Application

b)

Physical Devices

c)

Data Accumulation

d)

Data Analysis

47.

are the devices that are able to emit, accept and process data over the network.

a)

Sensors

b)

Gateways

c)

Edge IT

d)

Data Acquisition

48.

in the IoT Architecture is the hardware and software gateways that analyze and pre-process the

a)

Data center

b)

Edge IT

c)

Gateways

d)

Data Acquisition

49.

Which of the following is false?

a)

APIs are glue

b)

SOA components not

c)

Kapua also provides a core

d)

None of the above

50.

Internet of Things needs a lot of network connection. What is the proposed “white Space” radio standard?

a)

Bluetooth

b)

WiMax

c)

Weightless

d)

Zigbee

51.

The SOA architecture is divided into how many layers?

a)

5 layers

b)

6 layers

c)

7 layers

d)

2 layers

52.

API architecture not only includes critical elements but also caters for

a)

System

b)

Devices

c)

Network

d)

Multi homing

53.

What is IIOT?

a)

Information

b)

Internet of

c)

Innovative

d)

Internet of

e)

Industrial

54.

In M2M the communication type is

a)

Point to point

b)

Multipoint

c)

Both a and b

d)

None of the above

55.

The M2M is a based technology

a)

software

b)

hardware

c)

firmware

d)

embedded system

56.

In M2M the communication type is

a)

POINT TO POINT

b)

MULTI POINT

c)

SINGLE

d)

ANY OF THE ABOVE

57.

Which one is an example for M2M?

a)

Remote monitoring

b)

Smart cities

c)

Smart agricultural

d)

All of the above

58.

Which of the following is not an application of IoT?

a)

Wearables

b)

Smart Grid

c)

Arduino

d)

Smart City

59.

Which one out of these is not a data link layer technology in IOT?

a)

WiFi

b)

UART

c)

HTTP

d)

Bluetooth

60.

Which is the future application of IoT?

a)

Secure communication

b)

QoS in communication

c)

Role of green IoT system

d)

Multimedia

61.

How many types of voice communication are in iot environment?

a)

2 types

b)

3 types

c)

4 types

d)

5 types

62.

Without IoT devices can easily lead to catastrophe.

a)

Cloud

b)

Devices

c)

Software

d)

Management system

63.

Which challenge comes when we use many devices on the same network?

a)

Security

b)

Signaling

c)

Presence detection

d)

Power consumption

64.

are the devices that are able to emit, accept and process data over the network.

a)

Sensors

b)

Gateways

c)

Edge IT

d)

Data Acquisition

65.

Which of the following is false about IoT devices?

a)

IoT devices use the

b)

IoT devices need

c)

IoT devices use wireless

d)

IoT devices are

66.

Which layer is used for wireless connection in IoT devices?

a)

Application layer

b)

Network layer

c)

Data link layer

d)

Transport layer

67.

Which of the following is used to capture data from the physical world in IoT devices?

a)

Sensors

b)

Actuators

c)

Microprocessors

d)

Microcontrollers

68.

Which of the following is not a sensor in IoT?

a)

BMP280

b)

DHT11

c)

Photoresistor

d)

LED

69.

Which of the following protocol is used to link all the devices in the IoT?

a)

HTTP

b)

UDP

c)

Network

d)

TCP/IP

70.

MQTT is mainly used for

a)

M2M communication

b)

Device communication

c)

Internet communication

d)

Wireless communication

71.

Which is an open standard?

a)

CoAP

b)

MQTT

c)

XMPP

d)

HTTP

72.

Which layer is CoAP?

a)

Control layer

b)

Transport layer

c)

Service layer

d)

Application layer

73.

CoAP is specialized in

a)

Internet applications

b)

Device applications

c)

Wireless applications

d)

Wired applications

74.

dweet.io provides to send data from IoT devices.

a)

Web API

b)

POST

c)

HTTP

d)

JSON

75.

What is the full form of DHCP in IoT communication protocols?

a)

Dynamic Host

b)

Domain Host

c)

Dynamic Host Control

d)

Domain Host Control

76.

What is the role of Cloud in smart grid architecture of IoT?

a)

Security

b)

Collect data

c)

Manage data

d)

Store data

77.

CoAP provides which of the following requirements?

a)

Multicast support and Low overhead and Simplicity

b)

Multicast support, Low

78.

Which is an open standard?

a)

HTTP

b)

MQTT

c)

XMPP

d)

CoAP

79.

CoAP is a specialized protocol.

a)

Web Transfer

b)

Power

c)

Application

d)

Resource

80.

MQTT is oriented.

a)

Data

b)

Message

c)

Network

d)

Device

81.

Standard ports of MQTT are

a)

I2C

b)

SSL

c)

USART

d)

TCP/IP

82.

Full form of MQTT

a)

Message Queuing

b)

Message Queuing

c)

Message Queue

d)

Telegram Message Queue

83.

What does HTTP do?

a)

Enables network

b)

Reduces perception of

c)

Allows multiple concurrent

d)

Enables network

84.

HTTP allows which response?

a)

Multiplexing

b)

Serial

c)

Coherent

d)

Binary

85.

HTTP expands?

a)

HyperText Transfer

b)

HyperTerminal Transfer

c)

HyperText Terminal

d)

HyperTerminal Text

86.

are the characteristics of IOT

a)

Intelligence, scalable

b)

Security

c)

Heterogeneity

d)

All of the above

87.

are the main components in IOT

a)

Low power embedded

b)

Cloud computing

c)

Availability of big data,

d)

All of the above

88.

Which of the following is not a type of cloud?

a)

Private

b)

Public

c)

Protected

d)

Hybrid

89.

Which of the following architectural standards is working with cloud computing industry?

a)

Service-oriented

b)

Standardized

c)

Web

d)

Web-based

90.

What type of computing technology refers to services and applications that typically run on a distributed

a)

Distributed Computing

b)

Cloud Computing

c)

Soft Computing

d)

Parallel Computing

91.

Which one of the following options can be considered as the Cloud?

a)

Hadoop

b)

Intranet

c)

Web Applications

d)

All of the mentioned

92.

Which of the following has many features of that is now known as cloud computing?

a)

Web Service

b)

Softwares

c)

All of the mentioned

d)

Internet

93.

Which of the following is an essential concept related to Cloud?

a)

Reliability

b)

Abstraction

c)

Productivity

d)

All of the mentioned

94.

Which of the model involves the special types of services that users can access on a Cloud Computing

a)

Service

b)

Planning

c)

Deployment

d)

Application

95.

What are the key components of a M2M system?

a)

Vortex DDS

b)

Smart Homes

c)

Sensors and Wi-Fi

d)

Protocols

96.

Who created MQTT?

a)

Robert Cailliau

b)

Tim Berners-Lee

c)

Andy Stanford-Clark

d)

Vint Cerf

97.

MQTT is mainly used for

a)

M2M communication

b)

Device communication

c)

Internet communication

d)

Wireless communication

98.

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

a)

Bluetooth

b)

UART

c)

WiFi

d)

HTTP

99.

Which layer is called a port layer in OSI model?

a)

Session

b)

Application

c)

Presentation

d)

Transport

100.

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)

101.

Global Sensor Network is built for.

a)

Increasing cost and

b)

Reducing cost and

c)

Reducing cost and time for

d)

Increasing cost and

102.

in the IoT Architecture is the hardware and software gateways that analyze and pre-process the

a)

Data center

b)

Edge IT

c)

Gateways

d)

Data Acquisition

103.

How many numbers of the element in the open IoT architecture?

a)

Four elements

b)

Five elements

c)

Six elements

d)

Seven elements

104.

Which of the following is the way in which an IoT device is associated with data?

a)

Internet

b)

Cloud

c)

Automata

d)

Network

105.

Which is the suitable testing method for the internal computation capabilities of the embedded software

a)

Performance testing

b)

Security Testing:

c)

Compatibility testing

d)

End-user application

106.

Which of the following IoT networks has a very short range?

a)

Short Network

b)

LPWAN

c)

SigFox

d)

Short-range Wireless