MCQ : SECURITY AND FUTURE OF IOT ECOSYSTEM For NIELIT O Level Exam

SECURITY AND FUTURE OF IOT ECOSYSTEM For NIELIT O Level Exam

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Question No# : 01 out of 50 Report Bug Bookmark

In IoT security, what does the term "Two-Factor Authentication" involve?

A. Using two different encryption algorithms

B. Verifying identity using two independent methods

C. The use of two separate communication protocols

D. Encrypting data at two different network layers

Question No# : 02 out of 50 Report Bug Bookmark

In Photoshop 7, what is the function of the "Burn Tool"?

A. Darkens areas of an image

B. Lightens areas of an image

C. Blurs the edges of an image

D. Converts color images to grayscale

Question No# : 03 out of 50 Report Bug Bookmark

What is the purpose of a smoke sensor in an IoT-based home automation system?

A. Measure air pressure

B. Detect changes in temperature

C. Monitor air quality for smoke particles

D. Measure humidity

Question No# : 04 out of 50 Report Bug Bookmark

Which IoT application involves the use of sensors and actuators to manage and control building systems?

A. Smart Agriculture

B. Smart City

C. Smart Home

D. Industrial IoT (IIoT)

Question No# : 05 out of 50 Report Bug Bookmark

What is the function of a pressure sensor in an IoT device?

A. Measure humidity

B. Monitor air quality

C. Detect changes in atmospheric pressure

D. Measure distance

Question No# : 06 out of 50 Report Bug Bookmark

Which of the following challenge arises when we use many devices on the same network?
जब हम नेटवर्कउसी पर कई उपकरणों का उपयोग करते हैं तो निम्न में से कौन सी चुनौती उत्पन्न होती है?

A. Signaling

B. Security

C. Power Detection

D. Power Consunmption

Question No# : 07 out of 50 Report Bug Bookmark

What is the primary role of a light sensor in an IoT-based lighting control system?

A. Measure humidity

B. Monitor air quality

C. Detect ambient light levels

D. Measure distance

Question No# : 08 out of 50 Report Bug Bookmark

Major Component of loT is/are
IoT का प्रमुख घटक है/हैं________

A. Sensors

B. Actuators

C. Smart Applications

D. All of the Above

Question No# : 09 out of 50 Report Bug Bookmark

Which technology allows IoT devices to learn from historical data?
कौन सी तकनीक आईओटी उपकरणों को ऐतिहासिक डेटा से सीखने की अनुमति देती है?

A. Machine Learning

B. DNS

C. SMTP

D. Routing

Question No# : 10 out of 50 Report Bug Bookmark

How can you undo the last action in Photoshop 7?

A. Ctrl + Z (Windows) or Command + Z (Mac)

B. Ctrl + X (Windows) or Command + X (Mac)

C. Ctrl + C (Windows) or Command + C (Mac)

D. Ctrl + V (Windows) or Command + V (Mac)

Question No# : 11 out of 50 Report Bug Bookmark

In the context of IoT security, what does the term "Firmware Over-the-Air (FOTA)" refer to?

A. Updating device software remotely

B. Wireless charging of IoT devices

C. Secure authentication process

D. Ensuring physical security of devices

Question No# : 12 out of 50 Report Bug Bookmark

Which of the following process is used to keep track of user's activity
उपयोगकर्ता की गतिविधि पर नज़र रखने के लिए निम्न में से किस प्रक्रिया का उपयोग किया जाता है

A. Authentication

B. Authoring

C. Authorization

D. Accounting

Question No# : 13 out of 50 Report Bug Bookmark

What is the function of the "Smudge Tool" in Photoshop 7?

A. Blurring the edges of an image

B. Smoothing or blending colors in an image

C. Adding text to images

D. Applying artistic filters

Question No# : 14 out of 50 Report Bug Bookmark

What is a private key
प्राइवेट की क्या होती है

A. A key on your key chain

B. A key given to the public

C. A key not to be given to the public

D. A key that opens a secret door

Question No# : 15 out of 50 Report Bug Bookmark

What is the purpose of the MQTT QoS (Quality of Service) level in IoT communication?

A. Control the flow of messages

B. Ensure data security

C. Specify the reliability of message delivery

D. Encrypt data during transmission

Question No# : 16 out of 50 Report Bug Bookmark

An loT network is a collection of devices
IoT नेटवर्क उपकरणों का एक संग्रह है

A. Signal

B. Machine to machine

C. Interconnected

D. Network

Question No# : 17 out of 50 Report Bug Bookmark

Which tool is used for adjusting the overall color balance in an image?

A. Brush Tool

B. Color Picker

C. Eyedropper Tool

D. Color Balance Tool

Question No# : 18 out of 50 Report Bug Bookmark

In Photoshop 7, what does the term "Layers" refer to?

A. Filters applied to images

B. Different levels of image resolution

C. Separate, stacked images that can be edited independently

D. The adjustment of image brightness and contrast

Question No# : 19 out of 50 Report Bug Bookmark

How can you create a new layer in Photoshop 7?

A. Press Ctrl + N (Windows) or Command + N (Mac)

B. Click on the "New Layer" button in the Layers panel

C. Select "File > New" from the menu

D. Press Ctrl + C (Windows) or Command + C (Mac)

Question No# : 20 out of 50 Report Bug Bookmark

Which of the following method is better for task swapping in the embedded systems
एम्बेडेड सिस्टम में टास्क स्वैपिंग के लिए निम्न में से कौन सी विधि बेहतर है

A. time slice

B. RMS

C. cooperative multitasking

D. pre-emptive

Question No# : 21 out of 50 Report Bug Bookmark

What does the "Brush Tool" do in Adobe Photoshop 7?

A. Adjusts image brightness and contrast

B. Paints colors onto an image

C. Adds text to images

D. Selects areas based on color

Question No# : 22 out of 50 Report Bug Bookmark

Which IoT application involves the use of sensors and devices for monitoring and managing agricultural processes?

A. Smart Cities

B. Smart Grids

C. Precision Agriculture

D. Industrial IoT (IIoT)

Question No# : 23 out of 50 Report Bug Bookmark

What is the purpose of a gyroscope sensor in an IoT device?

A. Measure acceleration

B. Detect rotational motion

C. Measure humidity

D. Monitor heart rate

Question No# : 24 out of 50 Report Bug Bookmark

What is the purpose of the "Pen Tool" in Adobe Photoshop 7?

A. Drawing freehand shapes

B. Making precise selections based on color

C. Creating paths and shapes

D. Adjusting image brightness

Question No# : 25 out of 50 Report Bug Bookmark

Which of the following is threat to IoT Device ?
निम्नलिखित में से कौन IoT डिवाइस के लिए खतरा है?

A. Virus

B. Natural Disaster

C. Spoofing

D. All of the above

Question No# : 26 out of 50 Report Bug Bookmark

Confidentiality in IoT security ensures:
IoT सुरक्षा में गोपनीयता सुनिश्चित करती है:

A. Data is modified only by authorized users

B. Data remains available at all times

C. Data is accessible only to authorized entities

D. Data is stored permanently

Question No# : 27 out of 50 Report Bug Bookmark

Which of the following IoT applications involves the use of sensors and devices for monitoring and managing energy consumption in households?

A. Smart Cities

B. Smart Agriculture

C. Smart Energy Management

D. Smart Transportation

Question No# : 28 out of 50 Report Bug Bookmark

Botnet is often used to launch____ attack
बॉटनेट का प्रयोग अक्सर _____ हमले को शुरू करने के लिए किया जाता है

A. DoS

B. DDoS

C. Brute force

D. Passive

Question No# : 29 out of 50 Report Bug Bookmark

Which among the following terms is related to network security ?
निम्नलिखित में से कौन सा शब्द नेटवर्क सुरक्षा से संबंधित है?

A. DSL

B. W3C

C. MIT

D. Firewall

Question No# : 30 out of 50 Report Bug Bookmark

What is the primary purpose of a moisture sensor in an IoT-based agriculture system?

A. Measure air pressure

B. Detect changes in temperature

C. Monitor soil moisture levels

D. Measure humidity

Question No# : 31 out of 50 Report Bug Bookmark

VPN stands for:
VPN का अर्थ है:

A. Virtual Private Network

B. Variable Processing Network

C. Verified Private Node

D. Virtual Public Node

Question No# : 32 out of 50 Report Bug Bookmark

What is the purpose of the "Clone Stamp" tool in Photoshop 7?

A. Blurring the edges of an image

B. Copying one area of an image to another

C. Adding text to images

D. Adjusting color balance

Question No# : 33 out of 50 Report Bug Bookmark

What is the role of a magnetic sensor in an IoT-based door access control system?

A. Measure air pressure

B. Detect changes in temperature

C. Monitor magnetic fields for door status

D. Measure humidity

Question No# : 34 out of 50 Report Bug Bookmark

What does the "Quick Mask Mode" in Adobe Photoshop 7 allow you to do?

A. Apply quick filters to an image

B. Create selections using a red overlay

C. Change the image resolution

D. Adjust the canvas size

Question No# : 35 out of 50 Report Bug Bookmark

What is the significance of the term "Zero Trust" in IoT security?

A. Trusting all devices by default

B. Verifying and validating all devices, regardless of location

C. Disabling all security features

D. Trusting devices only within a closed network

Question No# : 36 out of 50 Report Bug Bookmark

Which file format supports transparent backgrounds in Photoshop 7?

A. JPEG

B. GIF

C. PNG

D. TIFF

Question No# : 37 out of 50 Report Bug Bookmark

In IoT, what does the term "Digital Identity" refer to?

A. A virtual representation of a physical object

B. Unique identification of an IoT device

C. The process of converting analog signals to digital

D. The speed at which digital data is transmitted

Question No# : 38 out of 50 Report Bug Bookmark

Which layer of the OSI model is primarily associated with IoT devices?

A. Application Layer

B. Physical Layer

C. Network Layer

D. Transport Layer

Question No# : 39 out of 50 Report Bug Bookmark

What does the term "Latency" refer to in the context of IoT communication?

A. The time it takes for data to travel from one point to another

B. The capacity of a network to handle large amounts of data

C. The security level of IoT devices

D. The number of connected devices in an IoT network

Question No# : 40 out of 50 Report Bug Bookmark

What is the primary function of a tilt sensor in an IoT device?

A. Measure air pressure

B. Detect changes in humidity

C. Monitor angular position or tilt

D. Measure light intensity

Question No# : 41 out of 50 Report Bug Bookmark

Which IoT communication model involves devices communicating directly with each other without the need for a centralized server?

A. Peer-to-Peer (P2P)

B. Client-Server

C. Publish-Subscribe

D. Point-to-Multipoint

Question No# : 42 out of 50 Report Bug Bookmark

What is the primary function of the "Gradient Tool" in Adobe Photoshop 7?

A. Adds a gradient background to an image

B. Adjusts the sharpness of an image

C. Creates custom brushes for painting

D. Changes the image resolution

Question No# : 43 out of 50 Report Bug Bookmark

Who will use their own for business models
कौन अपने स्वयं के IoT व्यवसाय मॉडल का उपयोग करेगा।

A. Service provider

B. SaaS

C. IaaS

D. None

Question No# : 44 out of 50 Report Bug Bookmark

To secure your data on IoT devices
IoT उपकरणों पर अपना डेटा सुरक्षित करने के लिए

A. Keep changing your password

B. Update your every device

C. Avoid using devices that are risky

D. All of the above

Question No# : 45 out of 50 Report Bug Bookmark

What is the purpose of the IoT protocol MQTTs QoS (Quality of Service) levels?

A. Control device power consumption

B. Ensure reliable message delivery

C. Enable peer-to-peer communication

D. Facilitate device discovery

Question No# : 46 out of 50 Report Bug Bookmark

Which of the following must be present in a microcontroller?
निम्नलिखित में से कौन एक मिक्रोकंट्रोलर में मौजूद होना चाहिए?

A. CPU, ROM, I/O ports and timers

B. RAM, ROM, 1/0 ports and timers

C. PU, RAM, 1/O ports and timers

D. CPU, RAM, ROM, I/O ports and timers

Question No# : 47 out of 50 Report Bug Bookmark

Which security method uses mathematical algorithms to verify data origin?
कौन सी सुरक्षा विधि डेटा के स्रोत को सत्यापित करने के लिए गणितीय एल्गोरिदम का उपयोग करती है?

A. Digital Signature

B. Compression

C. Multiplexing

D. Encoding

Question No# : 48 out of 50 Report Bug Bookmark

What is the purpose of the "Lasso Tool" in Adobe Photoshop 7?

A. Making rectangular selections

B. Making elliptical selections

C. Making freehand selections

D. Drawing straight lines

Question No# : 49 out of 50 Report Bug Bookmark

While presenting using projectors, information line can be revealed by using an__________sheet to over the
प्रोजेक्टर का उपयोग करते हुए, ________के ऊपर एक __________ शीट का उपयोग करके सूचना रेखा को प्रकट किया जा सकता है

A. Transparent, slide

B. Translucent, transparency

C. Opaque, flip chart

D. Opaque, transparency

Question No# : 50 out of 50 Report Bug Bookmark

Which IoT wireless communication technology is commonly used for short-range communication between devices, such as smartphones and IoT gadgets?

A. Zigbee

B. Bluetooth

C. LoRaWAN

D. NFC (Near Field Communication)