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

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# : 02 out of 50 Report Bug

Which IoT connectivity option is known for its high data transfer rates and is commonly used for multimedia applications?

A. Zigbee

B. Bluetooth

C. LoRaWAN

D. Wi-Fi

Question No# : 03 out of 50 Report Bug

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# : 04 out of 50 Report Bug

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# : 05 out of 50 Report Bug

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# : 06 out of 50 Report Bug

______ is the act of secretly listening to the private conversation or communications of others without their consent in order to gather information.
______ निजी बातचीत या संचार को गुप्त रूप से सुनने का कार्य है जानकारी इकट्ठा करने के लिए दूसरों की सहमति के बिना।

A. Phishing

B. Surfing

C. Trojan horse

D. Eavesdropping

Question No# : 07 out of 50 Report Bug

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# : 08 out of 50 Report Bug

In Photoshop 7, what is the purpose of the "Dodge 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# : 09 out of 50 Report Bug

Which programming language is commonly used for programming IoT devices?

A. Java

B. Python

C. C++

D. All of the above

Question No# : 10 out of 50 Report Bug

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# : 11 out of 50 Report Bug

What is the purpose of the "Color Picker" in Photoshop 7?

A. Adding color to an image

B. Selecting a foreground or background color

C. Adjusting image brightness and contrast

D. Applying filters to an image

Question No# : 12 out of 50 Report Bug

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# : 13 out of 50 Report Bug

In IoT, what does the term "Fog Computing" refer to?

A. Processing data on the cloud server

B. Processing data on the IoT device itself

C. Decentralized processing at the network edge

D. Transmitting data over a foggy environment

Question No# : 14 out of 50 Report Bug

What security challenge is associated with IoT devices that have limited processing capabilities?

A. Denial of Service (DoS) attacks

B. Man-in-the-Middle (MitM) attacks

C. Physical tampering

D. Lack of encryption

Question No# : 15 out of 50 Report Bug

Which of the following is a good password example.
निम्न में से कौन सा एक अच्छा पासवर्ड उदाहरण हैं

A. name of spouse

B. Name of hobby

C. Contains multiple random digit with special charactor

D. None of the above

Question No# : 16 out of 50 Report Bug

Which IoT connectivity option is characterized by low-power, long-range communication suitable for outdoor applications?

A. Zigbee

B. Bluetooth

C. LoRaWAN

D. Wi-Fi

Question No# : 17 out of 50 Report Bug

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

What is Artificial Intelligence

A. Putting your intelligence into computer

B. Programming with you own intelligence

C. Making a machine intelligence

D. Putting more memory into computer

Question No# : 19 out of 50 Report Bug

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# : 20 out of 50 Report Bug

_____ is the process of indentifying a person before giving an access?
.........एक्सेस देने से पहले किसी व्यक्ति की पहचान करने की प्रक्रिया है?

A. Auditing

B. Authorisation

C. Authentication

D. Accounting

Question No# : 21 out of 50 Report Bug

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

A. Edit

B. Image

C. View

D. Layer

Question No# : 22 out of 50 Report Bug

Reports are usually utilized to present the outcome of:
रिपोर्ट का उपयोग आमतौर पर________के परिणाम प्रस्तुत करने के लिए किया जाता है?

A. Experiment

B. Inquiry

C. Investigation

D. All of these

Question No# : 23 out of 50 Report Bug

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# : 24 out of 50 Report Bug

Which of the following IoT applications involves the use of sensors and devices for monitoring and managing traffic and transportation systems?

A. Smart Cities

B. Smart Agriculture

C. Smart Healthcare

D. Smart Transportation

Question No# : 25 out of 50 Report Bug

Which IoT connectivity option is suitable for low-power, short-range communication between devices in close proximity and is commonly used in home automation?

A. Zigbee

B. Bluetooth

C. LoRaWAN

D. LTE (Long-Term Evolution)

Question No# : 26 out of 50 Report Bug

Which file format supports transparent backgrounds in Photoshop 7?

A. JPEG

B. GIF

C. PNG

D. TIFF

Question No# : 27 out of 50 Report Bug

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# : 28 out of 50 Report Bug

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# : 29 out of 50 Report Bug

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# : 30 out of 50 Report Bug

What is the purpose of a tilt sensor in an IoT-based earthquake detection system?

A. Measure air pressure

B. Detect changes in humidity

C. Monitor angular position or tilt

D. Measure light intensity

Question No# : 31 out of 50 Report Bug

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# : 32 out of 50 Report Bug

What is the primary advantage of using IPv6 in IoT networks?

A. Lower power consumption

B. Increased security

C. Larger address space

D. Faster data transmission

Question No# : 33 out of 50 Report Bug

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# : 34 out of 50 Report Bug

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

A. A virtual representation of a physical object

B. A unique identification code for IoT devices

C. A cryptographic technique to ensure data integrity

D. A communication protocol for IoT devices

Question No# : 35 out of 50 Report Bug

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

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# : 37 out of 50 Report Bug

Which of the following is a benefit of using Edge Computing in IoT systems?

A. Reduced latency

B. Increased cloud server load

C. Higher device power consumption

D. Centralized data processing only

Question No# : 38 out of 50 Report Bug

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# : 39 out of 50 Report Bug

Which of the following helps to collaborate in loT development?
निम्नलिखित में से कौन IoT विकास में सहयोग करने में मदद करता है?

A. physical computing

B. chemical computing

C. mechanism

D. cloud computing

Question No# : 40 out of 50 Report Bug

What does the term "Opacity" refer to in Adobe Photoshop 7?

A. The color intensity of an image

B. The transparency of a layer or brushstroke

C. The sharpness of an image

D. The color temperature of an image

Question No# : 41 out of 50 Report Bug

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# : 42 out of 50 Report Bug

What do you call the scope that hacker can use to break into a system
आप उस स्कोप को क्या कहते हैं जिसका उपयोग हैकर किसी सिस्टम में सेंध लगाने के लिए कर सकता है

A. Principle of least privilege

B. Defence in depth

C. Attack surface

D. None of the above

Question No# : 43 out of 50 Report Bug

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# : 44 out of 50 Report Bug

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# : 45 out of 50 Report Bug

What is the role of a vibration sensor in an industrial IoT (IIoT) application?

A. Measure air pressure

B. Detect changes in temperature

C. Monitor vibrations in machinery

D. Measure humidity

Question No# : 46 out of 50 Report Bug

The hack, is one of the most famous IOT security attack.
निम्नलिखित में से कौन सा संचार माध्यम उच्चतम डेटा दर का समर्थन करता है

A. Mirai botnet

B. cipher

C. Ethernet

D. Stuxnet

Question No# : 47 out of 50 Report Bug

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

A. Adds color to an image

B. Removes unwanted portions of an image

C. Adjusts image saturation

D. Applies special effects to an image

Question No# : 48 out of 50 Report Bug

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 कब उत्पन्न होती है?

A. Signaling

B. Security

C. Power Detection

D. Power Consunmption

Question No# : 49 out of 50 Report Bug

What is the role of a gas sensor in an IoT-based air quality monitoring system?

A. Measure air pressure

B. Detect changes in temperature

C. Monitor levels of specific gases

D. Measure humidity

Question No# : 50 out of 50 Report Bug

Which IoT connectivity option is designed for low-power, short-range communication between devices within a personal area network (PAN)?

A. Zigbee

B. Bluetooth

C. LoRaWAN

D. Sigfox