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

A. Edit

B. Image

C. View

D. Layer

Question No# : 02 out of 50 Report Bug Bookmark

Why is security needed in IoT?
IoT में सुरक्षा की जरूरत क्यों है?

A. To increase speed

B. To reduce cost

C. To protect data and devices

D. To enhance design

Question No# : 03 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# : 04 out of 50 Report Bug Bookmark

Which of the following method is better for task swapping in the embedded systems
एम्बेडेड सिस्टम में टास्क स्वैपिंग के लिए निम्न में से कौन सी विधि बेहतर है

A. time slice

B. RMS

C. cooperative multitasking

D. pre-emptive

Question No# : 05 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# : 06 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# : 07 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# : 08 out of 50 Report Bug Bookmark

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# : 09 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# : 10 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# : 11 out of 50 Report Bug Bookmark

Which type of attack involves intercepting communication between two IoT devices?
किस प्रकार के हमले में दो आईओटी उपकरणों के बीच संचार को बाधित करना शामिल है?

A. DDoS

B. Man-in-the-Middle

C. Brute Force

D. SQL Injection

Question No# : 12 out of 50 Report Bug Bookmark

What is a privacy concern in IoT devices?
IoT devices में privacy से जुड़ी चिंता क्या है?

A. High energy use

B. Unauthorized data access

C. Slow processing

D. Large size

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

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# : 15 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# : 16 out of 50 Report Bug Bookmark

What does the term "Digital Thread" mean in the context of IoT?

A. A sequence of binary data

B. A secure communication channel

C. A virtual representation of a physical products lifecycle

D. A type of encryption algorithm for IoT devices

Question No# : 17 out of 50 Report Bug Bookmark

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# : 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

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# : 20 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# : 21 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# : 22 out of 50 Report Bug Bookmark

coap://localhost:4589/Temperature/temp 1, here the 4589 is:
coap://localhost:4589/Temperature/temp 1, यहाँ 4589 है:

A. Port address

B. MAC address of Device

C. Unique identifier of the parameter

D. Unique identifier of the device

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

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

A. Measure humidity

B. Monitor air quality

C. Detect changes in atmospheric pressure

D. Measure distance

Question No# : 26 out of 50 Report Bug Bookmark

What is the purpose of the OCF (Open Connectivity Foundation) in the context of IoT?

A. Develop open standards for IoT interoperability

B. Control IoT device power consumption

C. Manage IoT security protocols

D. Provide cloud computing services for IoT devices

Question No# : 27 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# : 28 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# : 29 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# : 30 out of 50 Report Bug Bookmark

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# : 31 out of 50 Report Bug Bookmark

______ 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# : 32 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# : 33 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# : 34 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# : 35 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# : 36 out of 50 Report Bug Bookmark

Which IoT security measure involves creating a secure tunnel for transmitting data over an untrusted network?

A. Authentication

B. Authorization

C. VPN (Virtual Private Network)

D. Encryption

Question No# : 37 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# : 38 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# : 39 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# : 40 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# : 41 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# : 42 out of 50 Report Bug Bookmark

A Distributed Denial of Service (DDoS) attack mainly affects:
डिस्ट्रिब्यूटेड डेनियल ऑफ सर्विस (डीडीओएस) हमले से मुख्य रूप से निम्नलिखित प्रभावित होते हैं:

A. Integrity

B. Availability

C. Authentication

D. Privacy

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

Which IoT communication model involves devices subscribing to specific topics and receiving relevant messages?

A. Point-to-Point

B. Publish-Subscribe

C. Peer-to-Peer

D. Client-Server

Question No# : 45 out of 50 Report Bug Bookmark

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 Bookmark

What does the "Crop" tool do in Adobe Photoshop 7?

A. Adjusts the image's brightness and contrast

B. Removes unwanted portions of an image

C. Adds a border around the image

D. Applies artistic filters

Question No# : 47 out of 50 Report Bug Bookmark

IoT security management includes ________
IoT सिक्युरिटी मैनेजमेंट में ________ शामिल है

A. Protocol abstraction

B. Simple and fast installation

C. Security with hardware

D. Data storage

Question No# : 48 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# : 49 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# : 50 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