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

_______ is flooding the Internet with many copies of same message (typically email)
_______ इंटरनेट पर एक ही संदेश की कई प्रतियों से भरा हुआ है (आमतौर पर)। ईमेल)

A. Spam

B. Injection

C. Spoofing

D. DoS attack

Question No# : 02 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# : 03 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# : 04 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# : 05 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# : 06 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# : 07 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# : 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

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# : 10 out of 50 Report Bug Bookmark

___________ 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# : 11 out of 50 Report Bug Bookmark

What is the primary purpose of a pressure sensor in an IoT-based weather monitoring system?

A. Measure humidity

B. Detect changes in temperature

C. Monitor atmospheric pressure

D. Measure air quality

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

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# : 14 out of 50 Report Bug Bookmark

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# : 15 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# : 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

Which one of these is not threat modelling methodology ?
इनमें से कौन-सा थ्रेट मॉडलिंग मेथोडोलॉजी नहीं है?

A. NANO

B. STRIDE

C. OCTAVE

D. PASTA

Question No# : 18 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# : 19 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# : 20 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# : 21 out of 50 Report Bug Bookmark

Who created Bitcoin

A. Satoshi Nakamoto

B. Samsung

C. John Macfee

D. Chaina

Question No# : 22 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# : 23 out of 50 Report Bug Bookmark

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

A. Zigbee

B. Bluetooth

C. LoRaWAN

D. RFID

Question No# : 24 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# : 25 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# : 26 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# : 27 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# : 28 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# : 29 out of 50 Report Bug Bookmark

Dictionary attacks is a kind of

A. Injection Attack

B. Brute force attack

C. Session Hijacking

D. None of these

Question No# : 30 out of 50 Report Bug Bookmark

Which of the following must be present in a microcontroller?
निम्नलिखित में से कौन एक मिक्रोकंट्रोलर में मौजूद होना चाहिए?

A. CPU, ROM, I/O ports and timers

B. RAM, ROM, 1/0 ports and timers

C. PU, RAM, 1/O ports and timers

D. CPU, RAM, ROM, I/O ports and timers

Question No# : 31 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# : 32 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# : 33 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# : 34 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# : 35 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# : 36 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# : 37 out of 50 Report Bug Bookmark

Which of the following is a communication protocol commonly used for long-range, low-power IoT devices?

A. Zigbee

B. LoRaWAN

C. Bluetooth

D. Wi-Fi

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

What indicates to the reader the purpose of a letter?
पाठक को पत्र का उद्देश्य क्या इंगित करता है?

A. Subject

B. Body

C. Address

D. Salutation

Question No# : 41 out of 50 Report Bug Bookmark

Which IoT connectivity option is designed for low-power, short-range communication between devices within a personal area network (PAN)?

A. Zigbee

B. Bluetooth

C. LoRaWAN

D. Sigfox

Question No# : 42 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# : 43 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# : 44 out of 50 Report Bug Bookmark

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# : 45 out of 50 Report Bug Bookmark

Which of the following is a key component of the IoT ecosystem?

A. Router

B. Sensor

C. Printer

D. Keyboard

Question No# : 46 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# : 47 out of 50 Report Bug Bookmark

____________ malware is designed to launch botnet attack, primarily targeting online consumer devices such as IP cameras and home routers
____________ मैलवेयर को मुख्य रूप से लक्ष्यीकरण करते हुए बॉटनेट हमला शुरू करने के लिए डिज़ाइन किया गया है ऑनलाइन उपभोक्ता उपकरण जैसे आईपी कैमरे और होम राउटर

A. Darkmotel

B. Mirai

C. Petye

D. whitehorse

Question No# : 48 out of 50 Report Bug Bookmark

The different type of communication models available in an IoT ecosystem typically fall in following category/categories
IoT पारिस्थितिकी तंत्र में आमतौर पर विभिन्न प्रकार के संचार मॉडल उपलब्ध होते हैं निम्नलिखित श्रेणी/श्रेणियों में आते हैं

A. Request-response model

B. Push-pull model

C. Publish-subscribe model

D. All of these

Question No# : 49 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# : 50 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