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

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# : 02 out of 50 Report Bug Bookmark

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# : 03 out of 50 Report Bug Bookmark

What is the purpose of the "Magic Wand" tool in Adobe Photoshop 7?

A. Drawing freehand shapes

B. Making precise selections based on color

C. Adding text to images

D. Applying gradient fills

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

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# : 06 out of 50 Report Bug Bookmark

Which tool is used for blurring or sharpening specific areas of an image in Photoshop 7?

A. Blur Tool

B. Sharpen Tool

C. Clone Stamp Tool

D. Sponge Tool

Question No# : 07 out of 50 Report Bug Bookmark

Which wireless communication technology is commonly used in IoT devices for low-power, short-range communication within a personal area network (PAN)?

A. Zigbee

B. Wi-Fi

C. Bluetooth

D. NFC (Near Field Communication)

Question No# : 08 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# : 09 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# : 10 out of 50 Report Bug Bookmark

What is the purpose of an accelerometer sensor in an IoT device?

A. Measure air pressure

B. Detect changes in velocity and direction

C. Monitor heart rate

D. Measure distance

Question No# : 11 out of 50 Report Bug Bookmark

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

A. Measure air pressure

B. Detect changes in temperature

C. Monitor sound levels

D. Measure humidity

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

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# : 14 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# : 15 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# : 16 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# : 17 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# : 18 out of 50 Report Bug Bookmark

Which of the following is not a correct way to secure communication layer?
निम्नलिखित में से कौन सा संचार लेयर को सुरक्षित करने का सही तरीका नहीं है?

A. Cloud initiated communication

B. TLS / SSL

C. IPS (Instrusion Prevention System)

D. Firewalll

Question No# : 19 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# : 20 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# : 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 connecting vehicles to the internet to enhance safety and provide services?

A. Smart Agriculture

B. Industrial IoT (IIoT)

C. Vehicular IoT (VIoT)

D. IoT in Healthcare

Question No# : 23 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)

Question No# : 24 out of 50 Report Bug Bookmark

Which IoT architecture involves processing data on centralized cloud servers?

A. Fog Computing

B. Edge Computing

C. Cloud Computing

D. Decentralized Computing

Question No# : 25 out of 50 Report Bug Bookmark

What is Secure Shell (SSH)?
सिक्योर शेल (SSH) क्या है?

A. A router

B. A Firewall

C. A Network Protocol

D. Python Shell

Question No# : 26 out of 50 Report Bug Bookmark

_________ is the guarantee of reliable and constant access to your sensitive data by authorized data
_________ अधिकृत डेटा द्वारा आपके संवेदनशील डेटा तक विश्वसनीय और निरंतर पहुंच की गारंटी है

A. Confidentiality

B. Integrity

C. Availability

D. None of these

Question No# : 27 out of 50 Report Bug Bookmark

Which statement(s) are true about a brute force attack

A. Crack a password or username

B. Find a hidden web page

C. find the key used to encrypt a message

D. All of the above

Question No# : 28 out of 50 Report Bug Bookmark

Which tool is used for blurring or sharpening specific areas of an image in Photoshop 7?

A. Blur Tool

B. Sharpen Tool

C. Clone Stamp Tool

D. Sponge Tool

Question No# : 29 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# : 30 out of 50 Report Bug Bookmark

Which tool is used for blurring or sharpening specific areas of an image in Photoshop 7?

A. Blur Tool

B. Sharpen Tool

C. Clone Stamp Tool

D. Sponge Tool

Question No# : 31 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# : 32 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# : 33 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# : 34 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# : 35 out of 50 Report Bug Bookmark

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# : 36 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# : 37 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# : 38 out of 50 Report Bug Bookmark

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# : 39 out of 50 Report Bug Bookmark

Which IoT security measure involves granting specific permissions and access rights to users or devices?

A. Authentication

B. Authorization

C. Encryption

D. Firewall

Question No# : 40 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# : 41 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# : 42 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# : 43 out of 50 Report Bug Bookmark

Which IoT connectivity option is characterized by short-range, low-power communication suitable for connecting devices in close proximity?

A. Wi-Fi

B. Zigbee

C. Bluetooth

D. LoRaWAN

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

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

A. Drawing straight lines

B. Measuring distances and angles in an image

C. Creating custom shapes

D. Adjusting image saturation

Question No# : 46 out of 50 Report Bug Bookmark

What is the role of a UV (Ultraviolet) sensor in an IoT device?

A. Measure air pressure

B. Detect changes in temperature

C. Monitor UV radiation levels

D. Measure humidity

Question No# : 47 out of 50 Report Bug Bookmark

Which one is the most discussed challenge in IOT
आईओटी में सबसे ज्यादा चर्चित चुनौती कौन सी है

A. Standard

B. Security

C. Regulation

D. Internet

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

Which IoT protocol is commonly used for real-time communication and control in industrial automation applications?

A. MQTT

B. CoAP

C. OPC UA (OPC Unified Architecture)

D. HTTP