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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
English
Hindi
Question No# :
01
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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
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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
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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
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coap://localhost:4589/Temperature/temp 1, here the 4589 is:
coap://localhost:4589/Temperature/temp 1, यहाँ 4589 है:
A.
Port address
Port address
B.
MAC address of Device
MAC address of Device
C.
Unique identifier of the parameter
Unique identifier of the parameter
D.
Unique identifier of the device
Unique identifier of the device
Question No# :
05
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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
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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
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The main objective of WoT (Web of Things) is
WoT (वेब ऑफ थिंग्स) का मुख्य उद्देश्य है
A.
Improve usability and interoperability
गोपयोगिता और अंतः क्रियाशीलता सुधार
B.
Reduce the security
सुरक्षा को घटाना
C.
Complicate the development
विकास को जटिल बनाना
D.
Increase the cost
लगत को बढ़ाना
Question No# :
08
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IoT security management includes ________
IoT सिक्युरिटी मैनेजमेंट में ________ शामिल है
A.
Protocol abstraction
प्रोटोकॉल अब्स्ट्रक्शन
B.
Simple and fast installation
सिंपल और फ़ास्ट इंस्टालेशन
C.
Security with hardware
हार्डवेयर के साथ सिक्युरिटी
D.
Data storage
डाटा स्टोरेज
Question No# :
09
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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
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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
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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
सिग्नलिंग
B.
Security
सिक्योरिटी
C.
Power Detection
पावर डेटेक्टशन
D.
Power Consunmption
पावर खपत
Question No# :
12
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Which of the following is threat to IoT Device ?
निम्नलिखित में से कौन IoT डिवाइस के लिए खतरा है?
A.
Virus
वायरस
B.
Natural Disaster
प्राकृतिक आपदा
C.
Spoofing
स्पूफिंग
D.
All of the above
ऊपर के सभी
Question No# :
13
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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
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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
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Which of the following is not a strong security protocol?
निम्नलिखित में से कौन एक मजबूत सुरक्षा प्रोटोकॉल नहीं है?
A.
HTTPS
एचटीटीपीएस
B.
SSL
एसएसएल
C.
SMTP
एसएमटीपी
D.
SFTP
एसएफटीपी
Question No# :
16
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___________ is the assurance that the information is trustworthy and accurate
___________ यह आश्वासन है कि जानकारी विश्वसनीय और सटीक है
A.
Confidentiality
Confidentiality
B.
Integrity
Integrity
C.
Availability
Availability
D.
None of these
None of these
Question No# :
17
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______________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
Phishing
B.
Surfing
Surfing
C.
DDoS
DDoS
D.
Revealing
Revealing
Question No# :
18
out of 50
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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
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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
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What is Secure Shell (SSH)?
सिक्योर शेल (SSH) क्या है?
A.
A router
राउटर
B.
A Firewall
फॉयरवाल
C.
A Network Protocol
नेटवर्क प्रोटोकॉल
D.
Python Shell
पायथन शैल
Question No# :
21
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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
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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
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The Atmega 168 is an _____ bit chip
Atmega 168 एक______ बिट चिप है|
A.
32
32
B.
64
64
C.
8
8
D.
16
16
Question No# :
24
out of 50
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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
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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
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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
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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
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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
कूलॉम का सिद्धान्त
B.
Lenz's Law
लेंज़ का सिद्धान्त
C.
Fleming's Right-hand Rule
फ्लेमिंग दाहिना हाथ नियम
D.
Fleming's Left-hand Rule
फ्लेमिंग बया हाथ नियम
Question No# :
29
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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
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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
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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
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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
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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
R का एक सिलेक्टेड बिट सेट करना
B.
Clearing a selected bit of R
R के सिलेक्टेड बिट को क्लियर करना
C.
Complement selected bit of R
R के सिलेक्टेड बिट को कॉम्प्लीमेंट करना
D.
None of these
इनमे से कोई नहीं
Question No# :
34
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What is blockchain
ब्लॉकचेन क्या है
A.
A distributed ledger on a peer-to-peer network
A distributed ledger on a peer-to-peer network
B.
A type of Cryptocurrency
A type of Cryptocurrency
C.
An exchange
An exchange
D.
A centralized ledger
A centralized ledger
Question No# :
35
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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
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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
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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
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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
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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
तकनीक का सदुपयोग करें
B.
Clean up and get organized
साफ करो और संगठित हो जाओ
C.
Concentrate on one key task at a time
एक समय में एक महत्वपूर्ण कार्य पर ध्यान दें
D.
All of the above
ऊपर के सभी
Question No# :
40
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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
सिम्पलेक्स
B.
Duplex
डुप्लेक्स
C.
Full-Duplex
फुल-डुप्लेक्स
D.
None of these
इसमें से कोई नहीं
Question No# :
41
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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
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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
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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)
Bot-to-Bot(B2B)
B.
Machine-to-Machine (M2M)
Machine-to-Machine (M2M)
C.
InterCloud
InterCloud
D.
Skynet
Skynet
Question No# :
44
out of 50
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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
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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
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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
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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
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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
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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
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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
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