MCQ : SECURITY AND FUTURE OF IOT ECOSYSTEM For NIELIT O Level Exam

SECURITY AND FUTURE OF IOT ECOSYSTEM For NIELIT O Level Exam

00:00:00

Question No# : 01 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# : 02 out of 50 Report Bug Bookmark

What does the "Eraser Tool" do in Adobe Photoshop 7?

A. Adds color to an image

B. Removes unwanted portions of an image

C. Adjusts image saturation

D. Applies special effects to an image

Question No# : 03 out of 50 Report Bug Bookmark

Which layer of the OSI model is primarily associated with IoT devices?

A. Application Layer

B. Physical Layer

C. Network Layer

D. Transport Layer

Question No# : 04 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# : 05 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# : 06 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# : 07 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# : 08 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# : 09 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# : 10 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# : 11 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# : 12 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# : 13 out of 50 Report Bug Bookmark

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

A. Drawing freehand shapes

B. Making precise selections based on color

C. Creating paths and shapes

D. Adjusting image brightness

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

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# : 16 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# : 17 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# : 18 out of 50 Report Bug Bookmark

Which IoT communication protocol is known for its lightweight and efficient nature, making it suitable for constrained devices with low power and limited bandwidth?

A. HTTP

B. CoAP

C. MQTT

D. TCP

Question No# : 19 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# : 20 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# : 21 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# : 22 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# : 23 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# : 24 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# : 25 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# : 26 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# : 27 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# : 28 out of 50 Report Bug Bookmark

In IoT terminology, what does the acronym LPWAN stand for?

A. Low Power Wide Area Network

B. Long Processing Window for Authentication Network

C. Large Payload Wireless Access Network

D. Low-Profile Wireless Antenna Network

Question No# : 29 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# : 30 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# : 31 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# : 32 out of 50 Report Bug Bookmark

Which IoT communication model involves devices communicating directly with each other without the need for a centralized server?

A. Peer-to-Peer (P2P)

B. Client-Server

C. Publish-Subscribe

D. Point-to-Multipoint

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

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

A. Drawing freehand shapes

B. Making precise selections based on color

C. Creating paths and shapes

D. Adjusting image brightness

Question No# : 36 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# : 37 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# : 38 out of 50 Report Bug Bookmark

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# : 39 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# : 40 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# : 41 out of 50 Report Bug Bookmark

TLS stands for:
TLS का पूरा नाम है:

A. Transport Layer Security

B. Trusted Link Service

C. Technical Layer Standard

D. Transmission Link Security

Question No# : 42 out of 50 Report Bug Bookmark

An loT network is a collection of devices
IoT नेटवर्क उपकरणों का एक संग्रह है

A. Signal

B. Machine to machine

C. Interconnected

D. Network

Question No# : 43 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# : 44 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# : 45 out of 50 Report Bug Bookmark

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

Bonet is often used to launch _____ attack

A. DoS

B. DDoS

C. Brute Force

D. Passive

Question No# : 48 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# : 49 out of 50 Report Bug Bookmark

Which security method uses mathematical algorithms to verify data origin?
कौन सी सुरक्षा विधि डेटा के स्रोत को सत्यापित करने के लिए गणितीय एल्गोरिदम का उपयोग करती है?

A. Digital Signature

B. Compression

C. Multiplexing

D. Encoding

Question No# : 50 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