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

What is the purpose of the "Histogram" in Adobe Photoshop 7?

A. Adjusting the image's saturation

B. Viewing a graphical representation of the tonal distribution in an image

C. Applying artistic filters to an image

D. Creating custom shapes

Question No# : 02 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# : 03 out of 50 Report Bug Bookmark

Which tool is used for selecting a color from an image in Photoshop 7?

A. Paint Bucket Tool

B. Gradient Tool

C. Eyedropper Tool

D. Clone Stamp Tool

Question No# : 04 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# : 05 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# : 06 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# : 07 out of 50 Report Bug Bookmark

What is the role of a humidity sensor in an IoT-based greenhouse system?

A. Monitor soil moisture

B. Measure humidity in the air

C. Track temperature variations

D. Detect intruders

Question No# : 08 out of 50 Report Bug Bookmark

Which type of attack involves intercepting communication between two IoT devices?
किस प्रकार के हमले में दो आईओटी उपकरणों के बीच संचार को बाधित करना शामिल है?

A. DDoS

B. Man-in-the-Middle

C. Brute Force

D. SQL Injection

Question No# : 09 out of 50 Report Bug Bookmark

Which of the following is a key challenge in IoT deployment related to device batteries?

A. Low device cost

B. Long-range communication

C. Limited battery life

D. High data transfer speed

Question No# : 10 out of 50 Report Bug Bookmark

What does RFID stand for in the context of IoT?

A. Radio Frequency Identification

B. Real-time Frequency Integration Device

C. Remote Field Identification

D. Rapid Fire Data

Question No# : 11 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# : 12 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# : 13 out of 50 Report Bug Bookmark

The Atmega 168 is an _____ bit chip
Atmega 168 एक______ बिट चिप है|

A. 32

B. 64

C. 8

D. 16

Question No# : 14 out of 50 Report Bug Bookmark

Which IoT application involves the use of connected devices for monitoring and managing the distribution of electricity?

A. Smart Cities

B. Smart Grids

C. Smart Agriculture

D. Smart Healthcare

Question No# : 15 out of 50 Report Bug Bookmark

How can you rotate an image in Adobe Photoshop 7?

A. By using the "Rotate" option in the "View" menu

B. By selecting the "Rotate" tool from the toolbar

C. By pressing Ctrl + R (Windows) or Command + R (Mac)

D. By adjusting the canvas size

Question No# : 16 out of 50 Report Bug Bookmark

What does the term "DPI" stand for in the context of Adobe Photoshop 7?

A. Digital Photo Integration

B. Dots Per Inch

C. Direct Pixel Interaction

D. Document Processing Interface

Question No# : 17 out of 50 Report Bug Bookmark

What is the purpose of the MQTT broker in an IoT system?

A. Store and manage IoT devices

B. Control the flow of messages between devices

C. Provide power to IoT devices

D. Encrypt IoT data

Question No# : 18 out of 50 Report Bug Bookmark

How can you rotate an image in Adobe Photoshop 7?

A. By using the "Rotate" option in the "View" menu

B. By selecting the "Rotate" tool from the toolbar

C. By pressing Ctrl + R (Windows) or Command + R (Mac)

D. By adjusting the canvas size

Question No# : 19 out of 50 Report Bug Bookmark

What is the role of actuators in an IoT system?

A. Measure physical quantities

B. Transmit data to the cloud

C. Receive and process data

D. Perform actions based on received data

Question No# : 20 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# : 21 out of 50 Report Bug Bookmark

What does the term "Digital Thread" mean in the context of IoT?

A. A sequence of binary data

B. A secure communication channel

C. A virtual representation of a physical products lifecycle

D. A type of encryption algorithm for IoT devices

Question No# : 22 out of 50 Report Bug Bookmark

Which of the following is a communication protocol commonly used for long-range, low-power IoT devices?

A. Zigbee

B. LoRaWAN

C. Bluetooth

D. Wi-Fi

Question No# : 23 out of 50 Report Bug Bookmark

Which IoT communication model involves devices subscribing to specific topics and receiving relevant messages?

A. Point-to-Point

B. Publish-Subscribe

C. Peer-to-Peer

D. Client-Server

Question No# : 24 out of 50 Report Bug Bookmark

Which menu option is used to resize an image in Photoshop 7?

A. Edit

B. Image

C. View

D. Layer

Question No# : 25 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# : 26 out of 50 Report Bug Bookmark

Which programming language is commonly used for programming IoT devices?

A. Java

B. Python

C. C++

D. All of the above

Question No# : 27 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# : 28 out of 50 Report Bug Bookmark

What is the purpose of a rain sensor in an IoT-based irrigation system?

A. Measure air pressure

B. Detect changes in temperature

C. Monitor soil moisture

D. Measure rainfall intensity

Question No# : 29 out of 50 Report Bug Bookmark

Which IoT security measure involves creating a secure tunnel for transmitting data over an untrusted network?

A. Authentication

B. Authorization

C. VPN (Virtual Private Network)

D. Encryption

Question No# : 30 out of 50 Report Bug Bookmark

Which menu option is used for adjusting the color balance in Adobe Photoshop 7?

A. Filter

B. View

C. Image

D. Layer

Question No# : 31 out of 50 Report Bug Bookmark

Which IoT communication protocol is known for its lightweight and efficient nature, making it suitable for constrained devices with low power and limited bandwidth?

A. HTTP

B. CoAP

C. MQTT

D. TCP

Question No# : 32 out of 50 Report Bug Bookmark

What does the term "Anti-aliasing" refer to in Adobe Photoshop 7?

A. Adding transparency to an image

B. Smoothing the edges of an image to reduce jaggedness

C. Adjusting the image's color balance

D. Applying special effects to text

Question No# : 33 out of 50 Report Bug Bookmark

What is the purpose of the "Histogram" in Adobe Photoshop 7?

A. Adjusting the image's saturation

B. Viewing a graphical representation of the tonal distribution in an image

C. Applying artistic filters to an image

D. Creating custom shapes

Question No# : 34 out of 50 Report Bug Bookmark

What does the term "DPI" stand for in the context of Adobe Photoshop 7?

A. Digital Photo Integration

B. Dots Per Inch

C. Direct Pixel Interaction

D. Document Processing Interface

Question No# : 35 out of 50 Report Bug Bookmark

___________ is the assurance that the information is trustworthy and accurate
___________ यह आश्वासन है कि जानकारी विश्वसनीय और सटीक है

A. Confidentiality

B. Integrity

C. Availability

D. None of these

Question No# : 36 out of 50 Report Bug Bookmark

Spring Boot Actuator exposes operational information about running application using endpoints.
स्प्रिंग बूट एक्ट्यूएटर_______समापन बिंदुओ का उपयोग करके रनिंग एप्लिकेशन के परिचालन जानकारी को उजागर करता है

A. TCP

B. HTTP

C. IP

D. FTP

Question No# : 37 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# : 38 out of 50 Report Bug Bookmark

Which IoT connectivity option is designed for low-power, wide-area communication over long distances?

A. Zigbee

B. Bluetooth

C. LoRaWAN

D. Wi-Fi

Question No# : 39 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# : 40 out of 50 Report Bug Bookmark

What is the primary purpose of a pressure sensor in an IoT-based weather monitoring system?

A. Measure humidity

B. Detect changes in temperature

C. Monitor atmospheric pressure

D. Measure air quality

Question No# : 41 out of 50 Report Bug Bookmark

What is the primary purpose of IoT gateways in a network?

A. Ensure data security

B. Connect IoT devices to the cloud

C. Provide power to IoT devices

D. Encrypt communication between devices

Question No# : 42 out of 50 Report Bug Bookmark

What indicates to the reader the purpose of a letter?
पाठक को पत्र का उद्देश्य क्या इंगित करता है?

A. Subject

B. Body

C. Address

D. Salutation

Question No# : 43 out of 50 Report Bug Bookmark

Secret words or numbers used for protection of devices is called
उपकरणों की सुरक्षा के लिए प्रयुक्त गुप्त शब्द या अंक कहलाते हैं

A. Biometric Data

B. Passwords

C. Private data

D. backup

Question No# : 44 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# : 45 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# : 46 out of 50 Report Bug Bookmark

Which of the following is not an element of threat modelling?
निम्नलिखित में से कौन-सा थ्रेट मॉडलिंग का तत्व नहीं है?

A. Asset

B. Vulnerability

C. Threat

D. Time

Question No# : 47 out of 50 Report Bug Bookmark

Which of the following is a challenge associated with the deployment of large-scale IoT networks?

A. Limited device diversity

B. Low energy consumption

C. Scalability issues

D. Standardized protocols

Question No# : 48 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# : 49 out of 50 Report Bug Bookmark

Which menu option is used for adjusting the color balance in Adobe Photoshop 7?

A. Filter

B. View

C. Image

D. Layer

Question No# : 50 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)