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

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# : 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 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# : 04 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# : 05 out of 50 Report Bug Bookmark

What is the purpose of a Real-time Operating System (RTOS) in IoT devices?

A. Manage real-time communication between devices

B. Control power consumption

C. Provide internet connectivity

D. Monitor device temperature

Question No# : 06 out of 50 Report Bug Bookmark

In IoT, what does the term "Digital Signature" refer to?

A. A virtual representation of a physical object

B. A unique identification code for IoT devices

C. A cryptographic technique to ensure data integrity

D. A communication protocol for IoT devices

Question No# : 07 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# : 08 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# : 09 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# : 10 out of 50 Report Bug Bookmark

Which menu option is used for adjusting the brightness and contrast of an image in Photoshop 7?

A. Filter

B. View

C. Image

D. Layer

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

Which of the following is threat to IoT Device ?
निम्नलिखित में से कौन IoT डिवाइस के लिए खतरा है?

A. Virus

B. Natural Disaster

C. Spoofing

D. All of the above

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

Which of the following is not a strong security protocol?
निम्नलिखित में से कौन एक मजबूत सुरक्षा प्रोटोकॉल नहीं है?

A. HTTPS

B. SSL

C. SMTP

D. SFTP

Question No# : 16 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# : 17 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# : 18 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# : 19 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# : 20 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# : 21 out of 50 Report Bug Bookmark

What is the primary purpose of IoT gateways in a network?

A. Ensure data security

B. Connect IoT devices to the cloud

C. Provide power to IoT devices

D. Encrypt communication between devices

Question No# : 22 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# : 23 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# : 24 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# : 25 out of 50 Report Bug Bookmark

What is the role of a UV (Ultraviolet) sensor in an IoT device?

A. Measure air pressure

B. Detect changes in temperature

C. Monitor UV radiation levels

D. Measure humidity

Question No# : 26 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# : 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 rule is used to decide the direction of rotation of DC motor
डीसी मोटर का रोटेशन की दिशा तय करने के लिए किस नियम का प्रयोग किया जाता है

A. Coulomb's Law

B. Lenz's Law

C. Fleming's Right-hand Rule

D. Fleming's Left-hand Rule

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

Which of the following is a key consideration for securing IoT devices from cyber threats?

A. Using default passwords

B. Regularly updating firmware

C. Disabling encryption

D. Ignoring software patches

Question No# : 31 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# : 32 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# : 33 out of 50 Report Bug Bookmark

What is the effect of performing AND operation of R with 0xFE ?
0xFE के साथ आर का प्रदर्शन और संचालन का क्या प्रभाव पड़ता है ?

A. Setting a selected bit of R

B. Clearing a selected bit of R

C. Complement selected bit of R

D. None of these

Question No# : 34 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# : 35 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# : 36 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# : 37 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# : 38 out of 50 Report Bug Bookmark

Which IoT protocol is commonly used for lightweight, bidirectional communication between IoT devices and the cloud?

A. MQTT

B. CoAP

C. HTTP/2

D. UDP (User Datagram Protocol)

Question No# : 39 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# : 40 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# : 41 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# : 42 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# : 43 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# : 44 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# : 45 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# : 46 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# : 47 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# : 48 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# : 49 out of 50 Report Bug Bookmark

Which IoT wireless communication technology is commonly used for short-range communication between devices, such as smartphones and IoT gadgets?

A. Zigbee

B. Bluetooth

C. LoRaWAN

D. NFC (Near Field Communication)

Question No# : 50 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