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

In the context of IoT, what does the term "Digital Lock" refer to?

A. A lock operated by a digital key

B. Securing digital files in the cloud

C. A type of encryption algorithm

D. An authentication mechanism for IoT devices

Question No# : 02 out of 50 Report Bug Bookmark

______ provides a middleware and application container for IOT gateway.
_IOT गेटवे के लिए एक मिडलवेयर और एप्लिकेशन कंटेनर प्रदान करता है ।

A. Eclipse Kura

B. Red Hat

C. Intercloud

D. Bot 2 Bot

Question No# : 03 out of 50 Report Bug Bookmark

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# : 04 out of 50 Report Bug Bookmark

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# : 05 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# : 06 out of 50 Report Bug Bookmark

Which of the following is used to upload the Arduino Sketches to the board
बोर्ड को अरुडिनो स्केच अपलोड करने के लिए निम्न में से किसका उपयोग किया जाता है

A. avrgcc

B. g++

C. cpython

D. avrdude

Question No# : 07 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# : 08 out of 50 Report Bug Bookmark

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# : 09 out of 50 Report Bug Bookmark

______________is a type of social engineering where an attacker sends a fraudulent message designed to trick a person into revealing sensitive information
________________ एक प्रकार की सोशल इंजीनियरिंग है जहां एक हमलावर एक धोखाधड़ी भेजता है संवेदनशील जानकारी प्रकट करने के लिए किसी व्यक्ति को धोखा देने के लिए डिज़ाइन किया गया संदेश

A. Phishing

B. Surfing

C. DDoS

D. Revealing

Question No# : 10 out of 50 Report Bug Bookmark

What is the primary purpose of a moisture sensor in an IoT-based agriculture system?

A. Measure air pressure

B. Detect changes in temperature

C. Monitor soil moisture levels

D. Measure humidity

Question No# : 11 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# : 12 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# : 13 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# : 14 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# : 15 out of 50 Report Bug Bookmark

What is the main purpose of IoT protocols like CoAP and MQTT?

A. Control device power consumption

B. Facilitate secure communication between devices

C. Transmit data at high speeds

D. Stream videos from IoT devices

Question No# : 16 out of 50 Report Bug Bookmark

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# : 17 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# : 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

______________is a program which enters computer system by secretly attaching itself with valid computer program and later steals information.
______________ एक प्रोग्राम है जो गुप्त रूप से अटैच होकर कंप्यूटर सिस्टम में प्रवेश करता है स्वयं वैध कंप्यूटर प्रोग्राम के साथ और बाद में जानकारी चुरा लेता है।

A. Phishing

B. Surfing

C. Trojan horse

D. Wamp

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

What is the purpose of a Digital Signature in IoT security?

A. Encrypt data during transmission

B. Verify the authenticity and integrity of data

C. Control access to IoT devices

D. Provide power to IoT devices

Question No# : 22 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

Question No# : 23 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# : 24 out of 50 Report Bug Bookmark

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# : 25 out of 50 Report Bug Bookmark

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# : 26 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# : 27 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# : 28 out of 50 Report Bug Bookmark

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 उत्पन्न होती है?

A. Signaling

B. Security

C. Power Detection

D. Power Consunmption

Question No# : 29 out of 50 Report Bug Bookmark

What does the term "Latency" refer to in the context of IoT communication?

A. The time it takes for data to travel from one point to another

B. The capacity of a network to handle large amounts of data

C. The security level of IoT devices

D. The number of connected devices in an IoT network

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

What is Edge Computing in IoT?

A. Processing data on the cloud server

B. Processing data on the IoT device itself

C. Transmitting data to outer space

D. Encrypting data during transmission

Question No# : 32 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# : 33 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# : 34 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# : 35 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# : 36 out of 50 Report Bug Bookmark

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# : 37 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

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

The device connected to the internet of things have to communicate automatically, not via humans. What is this called
इंटरनेट ऑफ थिंग्स से जुड़े डिवाइस को स्वचालित रूप से संवाद करना पड़ता है, मनुष्यों के माध्यम से नहीं। इसे क्या कहा जाता है

A. Bot-to-Bot(B2B)

B. Machine-to-Machine (M2M)

C. InterCloud

D. Skynet

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

What is a private key
प्राइवेट की क्या होती है

A. A key on your key chain

B. A key given to the public

C. A key not to be given to the public

D. A key that opens a secret door

Question No# : 43 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# : 44 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# : 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 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# : 47 out of 50 Report Bug Bookmark

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# : 48 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# : 49 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# : 50 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