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Multiple Choice Questions


Q1.

MQTT Stands for:

  1. Mass Query Telemetry Transport
  2. Message Queuing Telemetry Transport
  3. Message Query Text Transport
  4. Mass Queuing Text Transport



Q2.

Which is the Microcontroller used in Arduino UNO?

  1. ATmega328p
  2. ATmega2560
  3. ATmega32114
  4. AT91SAM3x8E



Q3.

What does GPIO stands for?

  1. General Purpose Inner Outer Propeller
  2. General Purpose Input Output Pins
  3. General Purpose Interested Old People
  4. General Purpose Input Output Processor



Q4.

Which of the following is not a TCP/IP Layer?

  1. Application Layer
  2. Transport Layer
  3. Network Layer
  4. Physical Layer



Q5.

Which of the following communication medium supports highest data rate?

  1. Ethernet
  2. Bluetooth
  3. Optical Fibre
  4. Wi-Fi



Q6.

IIoT stands for:

  1. Indepth Internet of Things
  2. Innovative Internet of Things
  3. Information Internet of Things
  4. Industrial Internet of Things



Q7.

What are the challenges in IoT?

  1. Energy Consumption
  2. Security
  3. Network Congestion
  4. All of the above



Q8.

Which of the following tags are useful in identifying devices, smartphones etc.?

  1. IETF 6LowPAN
  2. IETF CoAP
  3. RFID/NFC
  4. IEEE 802.15.4.LowPAN



Q9.

Which protocol interacts asynchronously over UDP?

  1. HTTP
  2. CoAP
  3. MQTT
  4. TCP/IP



Q10.

WSN stands for:

  1. Wired Sensor Network
  2. Wireless Sensor Network
  3. Wired Service Network
  4. Wireless Service Network



Q11.

Which parameter is taken through pulseIn() in ultrasonic sensor?

  1. Voltage
  2. Frequency
  3. Time duration
  4. Distance



Q12.

Which of the following is NOT a Hard Skill?

  1. Typing Speed
  2. Machine Operation
  3. Time Management
  4. Coding



Q13.

Which of the following is an example of an LDR sensor application?

  1. Lights
  2. Clock
  3. Voltage Divider
  4. All of above



Q14.

What are/is essential concept(s) for M2M Communication success?

  1. Continuous connectivity
  2. Message Delivery for sleeping devices
  3. Message communication path selection
  4. All of above



Q15.

Which one is not the feature of M2M?

  1. Low Mobility
  2. Time Controlled
  3. Circuit Switched
  4. Low Power Consumption



Q16.

The smallest difference that a sensor can detect is:

  1. Scale
  2. Accuracy
  3. Resolution
  4. Precision



Q17.

Which one cannot be suitable communication technology for IoT?

  1. Zigbee
  2. NFC
  3. Bluetooth
  4. Wired network



Q18.

In i2c connection, which pin on the Arduino Uno is utilized for SCL (serial clock)?

  1. D2
  2. D4
  3. A2
  4. A4



Q19.

What will be the output of the following code?

int main() { int i = 25; int k =i %4; printf("%d\n", k); }
  1. 1
  2. 2
  3. 3
  4. 4



Q20.

Which of the Arduino pins is connected to the Data5 (D5) pin on the 16x2 character LCD?
Liquid Crystal lcd(12, 11, 5, 4, 3, 2);

  1. Pin No 2
  2. Pin No 3
  3. Pin No 4
  4. Pin No 5



Q21.

The process of building IoT hardware and devices enhanced with smart sensors and embedded system using many of the shelf components like sensors, circuits and microcontrollers is called?

  1. Prototyping
  2. Casting
  3. Protocasting
  4. Protocol typing



Q21.

Which command is the 9th pin on Arduino set as output?

  1. Prototyping
  2. Casting
  3. Protocasting
  4. Protocol typing




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