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 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# : 02 out of 50 Report Bug

Which IoT application involves connecting everyday objects to the internet to gather and share data?

A. Industrial IoT (IIoT)

B. Consumer IoT (CIoT)

C. IoT in Healthcare

D. IoT in Agriculture

Question No# : 03 out of 50 Report Bug

___________ 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# : 04 out of 50 Report Bug

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# : 05 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# : 06 out of 50 Report Bug

Which of following is/are suggested time management technique(s)?
निम्नलिखित में से कौन-सा/से सुझाई गई समय प्रबंधन तकनीक है/हैं?

A. Make good use of technology

B. Clean up and get organized

C. Concentrate on one key task at a time

D. All of the above

Question No# : 07 out of 50 Report Bug

What does the term "Smart Home" refer to in the context of IoT?

A. A home with advanced security systems

B. A home with automated and connected devices

C. A home with only Wi-Fi connectivity

D. A home with virtual reality technology

Question No# : 08 out of 50 Report Bug

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# : 09 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# : 10 out of 50 Report Bug

What is the role of a sensor in an IoT device?

A. Perform actions based on received data

B. Connect devices to the cloud

C. Measure and collect data from the environment

D. Encrypt communication between devices

Question No# : 11 out of 50 Report Bug

_________ 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# : 12 out of 50 Report Bug

Which IoT security measure involves restricting access to resources based on the identity of the user or device?

A. Encryption

B. Authentication

C. Authorization

D. Firewall

Question No# : 13 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# : 14 out of 50 Report Bug

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# : 15 out of 50 Report Bug

What is the primary purpose of a power-efficient microcontroller in IoT devices?

A. Enhance device aesthetics

B. Reduce device weight

C. Extend battery life

D. Increase device speed

Question No# : 16 out of 50 Report Bug

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# : 17 out of 50 Report Bug

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# : 18 out of 50 Report Bug

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# : 19 out of 50 Report Bug

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# : 20 out of 50 Report Bug

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# : 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

HC-05 is a Bluetooth module that can communicate in which mode ?
HC-05 एक ब्लूटूथ मॉड्यूल है जो किस मोड में संचार कर सकता है?

A. Simplex

B. Duplex

C. Full-Duplex

D. None of these

Question No# : 23 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# : 24 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# : 25 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# : 26 out of 50 Report Bug

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# : 27 out of 50 Report Bug

How can you apply a filter to an image in Photoshop 7?

A. From the "Filter" menu

B. Using the "Brush Tool"

C. In the "View" menu

D. By adjusting the canvas size

Question No# : 28 out of 50 Report Bug

API enables services portability between?
एपीआई सेवाओ के बीच पोर्टेबिलिटी को सक्षम बनाता है-

A. Systems

B. Devices

C. Networks

D. Services

Question No# : 29 out of 50 Report Bug

Which wireless communication protocol is commonly used in IoT devices for home automation applications?

A. Zigbee

B. Bluetooth

C. LoRaWAN

D. RFID

Question No# : 30 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# : 31 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# : 32 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# : 33 out of 50 Report Bug

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# : 34 out of 50 Report Bug

Which IoT application involves the use of connected devices for optimizing energy consumption in buildings?

A. Smart Cities

B. Smart Grids

C. Smart Transportation

D. Smart Buildings

Question No# : 35 out of 50 Report Bug

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# : 36 out of 50 Report Bug

What is the primary role of a Hall-effect sensor in an IoT device?

A. Measure magnetic field strength

B. Detect changes in temperature

C. Monitor air quality

D. Measure humidity

Question No# : 37 out of 50 Report Bug

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# : 38 out of 50 Report Bug

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

A. 32

B. 64

C. 8

D. 16

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

The process of converting data into a format that can not be read by another user
डेटा को एक फार्मेट में बदलने की प्रक्रिया जिसे कोई दूसरा यूजर नहीं पढ़ सकता है।

A. Encryption

B. Decryption

C. Locking

D. Registering

Question No# : 41 out of 50 Report Bug

Which of the following IoT protocols is commonly used for device management and configuration?

A. MQTT

B. CoAP

C. HTTP

D. TCP

Question No# : 42 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# : 43 out of 50 Report Bug

Which of the following is an example of a wearable IoT device?

A. Smart Refrigerator

B. Smart Thermostat

C. Fitness Tracker

D. Smart TV

Question No# : 44 out of 50 Report Bug

What is the purpose of a Real-time Operating System (RTOS) in IoT devices?

A. Manage real-time communication between devices

B. Control power consumption

C. Provide internet connectivity

D. Monitor device temperature

Question No# : 45 out of 50 Report Bug

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# : 46 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# : 47 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# : 48 out of 50 Report Bug

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

A. A virtual wallet for storing cryptocurrency

B. An encryption method for securing IoT data

C. A sensor for detecting digital signatures

D. A communication protocol for IoT devices

Question No# : 49 out of 50 Report Bug

Which IoT architecture involves processing data on centralized cloud servers?

A. Fog Computing

B. Edge Computing

C. Cloud Computing

D. Decentralized Computing

Question No# : 50 out of 50 Report Bug

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

A. Adds text to images

B. Adjusts image saturation

C. Creates custom shapes

D. Blurs the background of an image