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 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# : 02 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# : 03 out of 50 Report Bug Bookmark

The autonomous _____ IoT platforms are used for internal management of the corresponding enterprise.
स्वायत्त. ...आधारित IoT प्लेटफॉर्म का उपयोग संबंधित उद्यम के आंतरिक प्रबंधन के लिए किया जाता है ।

A. e-Government related

B. Enterprise

C. company based

D. Business oriented plateform

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

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

Question No# : 06 out of 50 Report Bug Bookmark

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# : 07 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# : 08 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# : 09 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# : 10 out of 50 Report Bug Bookmark

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# : 11 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# : 12 out of 50 Report Bug Bookmark

What does the term "IoT Gateway" refer to in an IoT architecture?

A. A device that connects IoT devices to the internet

B. A central server that processes all IoT data

C. A wireless protocol for IoT communication

D. A security measure for IoT devices

Question No# : 13 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# : 14 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# : 15 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# : 16 out of 50 Report Bug Bookmark

What is blockchain
ब्लॉकचेन क्या है

A. A distributed ledger on a peer-to-peer network

B. A type of Cryptocurrency

C. An exchange

D. A centralized ledger

Question No# : 17 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# : 18 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# : 19 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# : 20 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# : 21 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# : 22 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# : 23 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# : 24 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# : 25 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# : 26 out of 50 Report Bug Bookmark

SAAS stands for
SAAS का पूर्ण रूप है।

A. Service as a software

B. Software as a service

C. Service as a service

D. None

Question No# : 27 out of 50 Report Bug Bookmark

What is the primary role of a humidity sensor in an IoT application?

A. Measure temperature

B. Monitor air quality

C. Detect motion

D. Measure moisture content in the air

Question No# : 28 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# : 29 out of 50 Report Bug Bookmark

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# : 30 out of 50 Report Bug Bookmark

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# : 31 out of 50 Report Bug Bookmark

Which wireless technology is commonly used for short-range communication between IoT devices?

A. 4G LTE

B. Zigbee

C. LoRaWAN

D. Satellite Communication

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

Which of the following IoT applications involves the use of sensors and devices for monitoring and managing water resources?

A. Smart Cities

B. Smart Agriculture

C. Smart Healthcare

D. Smart Water Management

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

Which layer of the OSI model is responsible for managing end-to-end communication and data integrity in IoT systems?

A. Data Link Layer

B. Transport Layer

C. Application Layer

D. Network Layer

Question No# : 36 out of 50 Report Bug Bookmark

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

A. Measure temperature

B. Detect nearby objects

C. Monitor air quality

D. Measure humidity

Question No# : 37 out of 50 Report Bug Bookmark

The main objective of WoT (Web of Things) is
WoT (वेब ऑफ थिंग्स) का मुख्य उद्देश्य है

A. Improve usability and interoperability

B. Reduce the security

C. Complicate the development

D. Increase the cost

Question No# : 38 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# : 39 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# : 40 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# : 41 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# : 42 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# : 43 out of 50 Report Bug Bookmark

Remote enables entities that utilize IOT devices to connect and control them using a dashboard. This includes___
रिमोट उन संस्थाओं को सक्षम बनाता है जो एक डैशबोर्ड का उपयोग करके उन्हें कनेक्ट और नियंत्रित करने के लिए IOT उपकरणों का उपयोग करते हैं। इसमें शामिल है....

A. Smartphones

B. Tablet and PCs

C. Smart Watches

D. All of the above

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

What is the primary function of a GPS module in IoT devices?

A. Measure temperature

B. Provide location information

C. Monitor air quality

D. Control device power consumption

Question No# : 46 out of 50 Report Bug Bookmark

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

A. Measure air pressure

B. Detect changes in temperature

C. Monitor heart rate

D. Measure distance

Question No# : 47 out of 50 Report Bug Bookmark

_____ 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# : 48 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# : 49 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# : 50 out of 50 Report Bug Bookmark

In IoT security, what does the term "Security Patch" refer to?

A. A physical layer of security

B. A software update to fix security vulnerabilities

C. Biometric authentication

D. A secure communication protocol