NIELIT O Level Previous Year Question Papers M4-R5 iot
O Level Previous Year Question Papers internet of things
1)Which of the following options will return 10?
Function sumVal(x,y,z)
{
return x + y + z;
}
A) sumVal([…1,3,6]) B) sumVal([…[1,3,6]])
C) sumVal([…[1,3,6])
D)sumVal([1,3,6])
..(b) sumVal([…[1,3,6]])
2)How many types of capacitive touch are there in IoT?
Function sumVal(x,y,z)
{
return x + y + z;
}
A) ([2]) B) ([5])
C) ([7])
D) ([9])
..(A)([2])
3)Which of the following protocol is use link all the devices in the IoT?Function sumVal(x,y,z)
{
return x + y + z;
}
(A) HTTp (B) TCP/IP
(C) Network
(D) UDP
..(b)TCP/IP
4)100 Which layer of the OSI model is responsible for encryption and descryption in to IoT networks?Function sumVal(x,y,z)
{
return x + y + z;
}
A) physical layer B) data link layer
C) network layer
D) presentation layer
..(D) pesentation layer
5)What is the purpose of implementing in IoT Security?Function sumVal(x,y,z)
{
return x + y + z;
}
(A) To eliminate all vulnerabilities(B) To facilitate device discovery
(C) To detect and prevent unauthorized devices
(D) To ignore potential risks
..(C)to detect and prevent unauthorized devices
6)Which of the following is a building the IoT?Function sumVal(x,y,z)
{
return x + y + z;
}
(A) Wi-Fi router(B) Smartphones
(C) Cloud computing
(D) Microwave ovens
..(c)Cloud computing
7)Which of the following is an example of an IoT device that has no direct connection to the internet?Function sumVal(x,y,z)
{
return x + y + z;
}
(A)A smart speaker (B)A smartwatch
(C)A smart thermostat
(D)A temperature sensor in a factory
..(D) A temprature senser in a factory
8)123 What is the typical programming language used for microcontroller programming?
Function sumVal(x,y,z)
{
return x + y + z;
}
(A) HTML(B) C/C++
(C) SQL
(D) Python
..(B)C/C++
9)Which is the lowest layer of IoT architect.
Function sumVal(x,y,z)
{
return x + y + z;
}
(a) Smart Devices
(B) Cloud
(C) Firmware
(D) Gateway
(B) Cloud
(C) Firmware
(D) Gateway
..(A) Smart Devices
10) Which of the following is an example of a IoT device?Function sumVal(x,y,z)
{
return x + y + z;
}
(A) Controlling the temperature in a room(B) Streaming video content
(C) Generating sound waves
(D) Printing documents
..(A)Controling the temprature in a room
11)Which of the following is not a commonly used IoT?
Function sumVal(x,y,z)
{
return x + y + z;
}
(A) Amazon Web Services IoT Core(B) Microsoft Office 365
(C) Google Cloud IoT
(D) IBM Watson IoT Platform
..(B) Microsoft office 365
12) Which IoT block contains the MCU or chip?
Function sumVal(x,y,z)
{
return x + y + z;
}
(A) Control units (B) Senssor
(C) PDU’s
(D) Firmware
..(A)control units
13) Which microcontroller family is commonly used in industrial IoT applications due to in robustness, real-time capabilities, and extensive peripheral support?
Function sumVal(x,y,z)
{
return x + y + z;
}
(A) STM32(B) Raspberry Pi
(C) Arduino
(D) ESP32
..(A)STM32(
14) What is the most common security threat faced by IoT device?
Function sumVal(x,y,z)
{
return x + y + z;
}
(A) Physical damage(B) Overheating
(C) Manufacturing defects
(D) Distributed Denial of Service (DDoS) attacks
..(D)Distributed Denial of service
15) Which IoT architecture model separates management and data processing?
Function sumVal(x,y,z)
{
return x + y + z;
}
(A) Centralized (B) Decentralized
(C) Distributed
(D) Hybrid
..(B) Decentralized
16) A microcontroller sometimes abbreviated as______.
Function sumVal(x,y,z)
{
return x + y + z;
}
(A) uC(B) uC
(C) MCU
(D) All of the above
..(D) All of the above
17)Which sensor typically uses a diagram and strain gage bridge to detect and measure the force exerted against a unit area?
Function sumVal(x,y,z)
{
return x + y + z;
}
(A) Proximity Sensor(B) Moisture Sensor
(C) Pressure Sensor
(D) Ultrasonic Sensor
..(C) pressure senser
18) Layers or groups that contain_____ are clipped inside another layer or group.?
Function sumVal(x,y,z)
{
return x + y + z;
}
(A) Masks(B) Clipping Masks
(C) Cluster Masks
(d) None
..(B) Clipping masks
19) A microcontroller has a clock frequency What is the period of the clock signal?
Function sumVal(x,y,z)
{
return x + y + z;
}
(A) 16 ns(B) 62.5 ns
(C) 125 ns
(D) 250 ns
..(B) 62.5 ns
20) Which of the following protocol is use link all the devices in the IoT?
Function sumVal(x,y,z)
{
return x + y + z;
}
(A) HTTP(B) TCP/IP
(C) Network
(D) UDP
..(B)TCP/IP
21) How many types of capactive touch are are there in IoT?
Function sumVal(x,y,z)
{
return x + y + z;
}
(A) 2(B) 5
(C) 7
(D) 9
..( A) 2
22).213 The 8255 is a____ chip.
Function sumVal(x,y,z)
{
return x + y + z;
}
(A) Digital to analog(B) Input/Output
(C) Analog to Digital
(D) Hybrid
..(B)Input/ Output
23) Which of the following is a building the IoT?
Function sumVal(x,y,z)
{
return x + y + z;
}
(A) Wi-Fi routers(B) Smartphones
(C) Cloud computing
(D) Microwave ovens
..(C) Cloud computing
24)Ques.221 Which of the following sensor is used temperature and humidity?Function sumVal(x,y,z)
{
return x + y + z;
}
(A) MQ135(B) HC-SR04
(C) DHT11
(D) None of the above
..(C)DHT11
25) Which soft skill is crucial for effectively complex IoT concepts to non-techniacal stakeFunction sumVal(x,y,z)
{
return x + y + z;
}
(A) Creativity(B) Active listening
(C) Interpersonal skills
(D) Clear and concise communication
..(D) Clear and concise commjnication
26)Which one cannot be the one element of an IoT System?Function sumVal(x,y,z)
{
return x + y + z;
}
(A) People(B) Application
(C) Nanotechnology
(D) Privacy
..(D) Privacy
27) Which layer of the OSI model is responsible for encryption and decryption in IoT networks?Function sumVal(x,y,z)
{
return x + y + z;
}
(A) Physical layer (B) Data link layer
(C) Network layer
(D) Presentation layer
..(D) presentation layer
28) What is the sensor/protocol usedFunction sumVal(x,y,z)
{
return x + y + z;
}
(A) HTTP protocol(B) CoAP protocol
(C) MQTT protocol
(D) XMPP protocol
..(C) MQTT protocol
30) Which of the following is an example of an IoT device that has no direct connection to the internet?Function sumVal(x,y,z)
{
return x + y + z;
}
(A) A smart speaker(B) A smartwatch
(C) A smart thermostat
(D) A temperature sensor in a factory
..(D)A temperature sensor in a factory
31)What is the purpose of implementing in IoT security?Function sumVal(x,y,z)
{
return x + y + z;
}
(A) To eliminate all vulnerabilities(B) To facilitate device discovery
(C) To detect and prevent unauthorized devices
(D) To ignore potential risks
..(C)To detect and prevent unauthorized devices
32)Which of the following method swapping in the embedded system?Function sumVal(x,y,z)
{
return x + y + z;
}
(A) Time slice (B) RMS
(C) Cooperative multitasking
(D) Pre-emptive
..(A)Time slice
33)Which IoT architecture model seprates management and data processing?
Function sumVal(x,y,z)
{
return x + y + z;
}
(A) Centralized(B) Decentralized
(C) Distributed
(D) Hybrid
..(B)Decentralized
34) Which IoT block contains the MCU or chip?
Function sumVal(x,y,z)
{
return x + y + z;
}
(A) Control units(B) Sensor
(C) PDU’s
(D) Firmware
..(A)Control units
35)Which of the following is not a feature of a microcontroller?
Function sumVal(x,y,z)
{
return x + y + z;
}
(A) Low power consumption (B) Smell size
(C) High memory capacity
(D) High processing speed
..(D)High processing speed
36) Which id the lowest layer of IoT architect?
Function sumVal(x,y,z)
{
return x + y + z;
}
(A) Smart Devices(B) Cloud
(C) Firmware
(D) Gateway
..(A)Smart Devices
37) Which microcontroller family is commonly used in industrial IoT applications due to robustness, real-time capabilities, and extensive peripheral support?
Function sumVal(x,y,z)
{
return x + y + z;
}
(A) STM32(B) Raspberry Pi
(C) Arduino
(D) ESP32
..(A) STM32
38)Which of the following options will return 10?
Function sumVal(x,y,z)
{
return x + y + z;
}
A) sumVal([…1,3,6]) B) sumVal([…[1,3,6]])
C) sumVal([…[1,3,6])
D)sumVal([1,3,6])
..(C) sumVal([…[1,3,6])
39) An ultrasonic sensor has a maximum range a resolution of 1cm. What is the minimum distance?
Function sumVal(x,y,z)
{
return x + y + z;
}
(A) 1cm(B) 2cm
(C) 3cm
(D) 4cm
..(c) 3cm
40) Which amongst the following of specifically being used for convert parallel and from parallel to service?
Function sumVal(x,y,z)
{
return x + y + z;
}
(A) Registers(B) Counters
(C) Timers
(D) Microcontroller
..(A)Registers
41)Which of the following is an example of a IoT device?
Function sumVal(x,y,z)
{
return x + y + z;
}
(A) Controlling the temperature in a room (B) Streaming video content
(C) Generating sound waves
(D) Printing documents
..(A) Controlling the temperature in a room
42)Which of the following is not a commonly used IoT?
Function sumVal(x,y,z)
{
return x + y + z;
}
(A) Amazon Web Services IoT Core(B) Microsoft Office 365
(C) Google Cloud IoT
(D) IBM Watson IoT Platform
..(B) Microsoft Office 365
43)What is the most common security threat faced by IoT devices?
Function sumVal(x,y,z)
{
return x + y + z;
}
(A) Physical damage(B) Overheating
(C) Manufacturing defects
(D) Distributed Denial of Service (DDos) attacks
..(D) Distributed Denial of Service (DDos) attacks
44)Machine Learning (ML) integration in IoT devices helps in:
Function sumVal(x,y,z)
{
return x + y + z;
}
(A) Increasing device sizer(B) Reducing memory capacity
(C) Predicting potential security threats
(D) Eliminating the need of encryption
..(C) Predicting potential security threats
45)A microcontroller sometimes abbreviated as
Function sumVal(x,y,z)
{
return x + y + z;
}
(A) uC(B) uC
(C) MCU
(D) All of the above
..(D) All of the above
46)What will happen if we supply a voltage of 25V to sensor?
Function sumVal(x,y,z)
{
return x + y + z;
}
(A) Damage is caused(B) Sensor will work fine
(C) Sensor will not respond for the time voltage applie
(D) Sensor will function normally
..(A) Damage is caused
47)Which sensor typically uses a diagram and strain gage bridge to detect and measure the force exerted against a unit area?
Function sumVal(x,y,z)
{
return x + y + z;
}
(A) Proximity sensor (B) Moisture Sensor
(C) Pressure sensor
(D) Ultrasonic Sensor
..(C) Pressure sensor
48)Which of the following is a commonly used protocol for interfacing a microcontroller with an LCD?
Function sumVal(x,y,z)
{
return x + y + z;
}
(A) 12C (Inter-Integrated Circuit)(B) SPI (Serial Peripheral Interface)
(C) UART (Universal Asynchronous Receiver-Transmitter)
(D) GPIO (General Purpose Input/Output)
..(A) 12C (Inter-Integrated Circuit)
49)APS sensor is abbreviated as________.
Function sumVal(x,y,z)
{
return x + y + z;
}
(A) MOS Active Pixel Sensor(B) MOS Actual Pixel Sensor
(C) MOS Active Peak Sensor
(D) MOS Actual Peak Sensor
..(A) MOS Active Pixel Sensor
50)Which sensor is used to detect proximity of obstacle in the Arduino platform?
Function sumVal(x,y,z)
{
return x + y + z;
}
(A) LDR sensor(B) IR sensor
(C) DHT sensor
(D) MQ135 sensor
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