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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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Identity the challenge coming under securing the information.
सूचना हासिल करने के तहत आने वाली चुनौती की पहचान करें।
A.
Security
Security
B.
Signaling
Signaling
C.
Power Consumption
Power Consumption
D.
Presence Detection
Presence Detection
Question No# :
02
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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# :
03
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In IoT, what does the term "Digital Identity" refer to?
A.
A virtual representation of a physical object
B.
Unique identification of an IoT device
C.
The process of converting analog signals to digital
D.
The speed at which digital data is transmitted
Question No# :
04
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What is the purpose of an infrared sensor in an IoT device?
A.
Measure air pressure
B.
Detect changes in temperature
C.
Monitor heart rate
D.
Measure distance
Question No# :
05
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Which among the following terms is related to network security ?
निम्नलिखित में से कौन सा शब्द नेटवर्क सुरक्षा से संबंधित है?
A.
DSL
डीएसएल
B.
W3C
डब्ल्यू3सी
C.
MIT
एमआईटी
D.
Firewall
फ़ायरवॉल
Question No# :
06
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Who created Bitcoin
A.
Satoshi Nakamoto
Satoshi Nakamoto
B.
Samsung
Samsung
C.
John Macfee
John Macfee
D.
Chaina
Chaina
Question No# :
07
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The hack, is one of the most famous IOT security attack.
निम्नलिखित में से कौन सा संचार माध्यम उच्चतम डेटा दर का समर्थन करता है
A.
Mirai botnet
मिराई बॉटनेट
B.
cipher
सिफर
C.
Ethernet
ईथरनेट
D.
Stuxnet
स्टक्सनेट
Question No# :
08
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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# :
09
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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
Request-response model
B.
Push-pull model
Push-pull model
C.
Publish-subscribe model
Publish-subscribe model
D.
All of these
All of these
Question No# :
10
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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# :
11
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What is the role of a magnetic sensor in an IoT-based door access control system?
A.
Measure air pressure
B.
Detect changes in temperature
C.
Monitor magnetic fields for door status
D.
Measure humidity
Question No# :
12
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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# :
13
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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# :
14
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Which menu option is used to resize an image in Photoshop 7?
A.
Edit
B.
Image
C.
View
D.
Layer
Question No# :
15
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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
टाइम स्लाइस
B.
RMS
आरएमएस (RMS)
C.
cooperative multitasking
कॉपरेटिव मल्टीटास्किंग
D.
pre-emptive
प्री-एम्पटिव
Question No# :
16
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In an IoT ecosystem, devices with unique identities having monitoring, and remote sensing capabilities are known as
IoT पारिस्थितिकी तंत्र में, विशिष्ट पहचान वाले उपकरणों में निगरानी और रिमोट होता है संवेदन क्षमताओं को कहा जाता है
A.
Things
Things
B.
Motes
Motes
C.
Monitoring devices
Monitoring devices
D.
Edge monitors
Edge monitors
Question No# :
17
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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# :
18
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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# :
19
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Which IoT connectivity option is designed for low-power, wide-area communication over long distances?
A.
Zigbee
B.
Bluetooth
C.
LoRaWAN
D.
Wi-Fi
Question No# :
20
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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# :
21
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Which of the following IoT applications involves the use of sensors and devices for monitoring and managing energy consumption in households?
A.
Smart Cities
B.
Smart Agriculture
C.
Smart Energy Management
D.
Smart Transportation
Question No# :
22
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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# :
23
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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# :
24
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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# :
25
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What security challenge is associated with IoT devices that have limited processing capabilities?
A.
Denial of Service (DoS) attacks
B.
Man-in-the-Middle (MitM) attacks
C.
Physical tampering
D.
Lack of encryption
Question No# :
26
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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# :
27
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The autonomous _____ IoT platforms are used for internal management of the corresponding enterprise.
स्वायत्त. ...आधारित IoT प्लेटफॉर्म का उपयोग संबंधित उद्यम के आंतरिक प्रबंधन के लिए किया जाता है ।
A.
e-Government related
ई-गवर्नमेन्ट रिलेटेड
B.
Enterprise
इन्टरप्राइस
C.
company based
कम्पनी बेस्ड
D.
Business oriented plateform
बिजनेस ओरियन्टेड प्लेटफार्म
Question No# :
28
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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# :
29
out of 50
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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# :
30
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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# :
31
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Which menu option is used for adjusting the color balance in Adobe Photoshop 7?
A.
Filter
B.
View
C.
Image
D.
Layer
Question No# :
32
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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# :
33
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What is the primary role of a humidity sensor in an IoT application?
A.
Measure temperature
B.
Monitor air quality
C.
Detect motion
D.
Measure moisture content in the air
Question No# :
34
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What is the primary role of a color sensor in an IoT device?
A.
Measure air pressure
B.
Detect changes in temperature
C.
Monitor air quality
D.
Identify and measure colors
Question No# :
35
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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# :
36
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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# :
37
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Bonet is often used to launch _____ attack
A.
DoS
DoS
B.
DDoS
DDoS
C.
Brute Force
Brute Force
D.
Passive
Passive
Question No# :
38
out of 50
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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# :
39
out of 50
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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# :
40
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In IoT, what does the term "Fog Computing" refer to?
A.
Processing data on the cloud server
B.
Processing data on the IoT device itself
C.
Decentralized processing at the network edge
D.
Transmitting data over a foggy environment
Question No# :
41
out of 50
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How can you create a new layer in Photoshop 7?
A.
Press Ctrl + N (Windows) or Command + N (Mac)
B.
Click on the "New Layer" button in the Layers panel
C.
Select "File > New" from the menu
D.
Press Ctrl + C (Windows) or Command + C (Mac)
Question No# :
42
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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# :
43
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______________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
Phishing
B.
Surfing
Surfing
C.
Trojan horse
Trojan horse
D.
Wamp
Wamp
Question No# :
44
out of 50
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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# :
45
out of 50
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How can you create a new layer in Photoshop 7?
A.
Press Ctrl + N (Windows) or Command + N (Mac)
B.
Click on the "New Layer" button in the Layers panel
C.
Select "File > New" from the menu
D.
Press Ctrl + C (Windows) or Command + C (Mac)
Question No# :
46
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Which one of these is not threat modelling methodology ?
इनमें से कौन-सा थ्रेट मॉडलिंग मेथोडोलॉजी नहीं है?
A.
NANO
NANO
B.
STRIDE
STRIDE
C.
OCTAVE
OCTAVE
D.
PASTA
PASTA
Question No# :
47
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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# :
48
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Which wireless communication protocol is commonly used in IoT devices for home automation applications?
A.
Zigbee
B.
Bluetooth
C.
LoRaWAN
D.
RFID
Question No# :
49
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# :
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
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