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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
out of 50
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Which IoT security measure focuses on verifying the identity of a user or device before granting access?
A.
Authentication
B.
Authorization
C.
Encryption
D.
Firewalls
Question No# :
02
out of 50
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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# :
03
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# :
04
out of 50
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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# :
05
out of 50
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Which of the following is used for risk analysis?
निम्नलिखित में से किसका उपयोग रिस्क मैनेजमेंट के लिए किया जाता है?
A.
DREAD
DREAD
B.
OWASP
OWASP
C.
STRIDE
STRIDE
D.
DAR
DAR
Question No# :
06
out of 50
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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# :
07
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# :
08
out of 50
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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# :
09
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# :
10
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# :
11
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# :
12
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# :
13
out of 50
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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# :
14
out of 50
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Which IoT protocol is commonly used for device discovery and interaction in constrained environments, such as low-power, low-bandwidth networks?
A.
HTTP
B.
CoAP
C.
MQTT
D.
UDP (User Datagram Protocol)
Question No# :
15
out of 50
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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# :
16
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# :
17
out of 50
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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# :
18
out of 50
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In IoT, what does the term "Digital Health" refer to?
A.
Ensuring the security of digital devices
B.
The use of digital technologies for healthcare monitoring
C.
A method for digitally storing health records
D.
A digital representation of an individuals health status
Question No# :
19
out of 50
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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# :
20
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# :
21
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# :
22
out of 50
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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# :
23
out of 50
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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# :
24
out of 50
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What is the purpose of a sound sensor in an IoT device?
A.
Measure air pressure
B.
Detect changes in temperature
C.
Monitor sound levels
D.
Measure humidity
Question No# :
25
out of 50
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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# :
26
out of 50
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Which of the following process is used to keep track of user's activity
उपयोगकर्ता की गतिविधि पर नज़र रखने के लिए निम्न में से किस प्रक्रिया का उपयोग किया जाता है
A.
Authentication
औथेंटिकेशन
B.
Authoring
ऑथरिंग
C.
Authorization
ऑथॉरिज़ेशन
D.
Accounting
एकाउंटिंग
Question No# :
27
out of 50
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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# :
28
out of 50
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To secure your data on IoT devices
IoT उपकरणों पर अपना डेटा सुरक्षित करने के लिए
A.
Keep changing your password
Keep changing your password
B.
Update your every device
Update your every device
C.
Avoid using devices that are risky
Avoid using devices that are risky
D.
All of the above
All of the above
Question No# :
29
out of 50
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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# :
30
out of 50
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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# :
31
out of 50
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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# :
32
out of 50
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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# :
33
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# :
34
out of 50
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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# :
35
out of 50
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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# :
36
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# :
37
out of 50
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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# :
38
out of 50
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The term bot comes from robot. An internet bot may also known as
The term bot comes from robot. An internet bot may also known as
A.
Web robot
Web robot
B.
WWW robot
WWW robot
C.
Both (A) and (B)
Both (A) and (B)
D.
None of these
None of these
Question No# :
39
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# :
40
out of 50
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What is the role of a microphone sensor in an IoT-based surveillance system?
A.
Measure air pressure
B.
Detect changes in temperature
C.
Record and analyze audio
D.
Measure humidity
Question No# :
41
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# :
42
out of 50
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In IoT, what does the term "Digital Wallet" refer to?
A.
A virtual wallet for storing cryptocurrency
B.
An encryption method for securing IoT data
C.
A sensor for detecting digital signatures
D.
A communication protocol for IoT devices
Question No# :
43
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# :
44
out of 50
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What is the primary purpose of a Digital Signal Processor (DSP) in IoT devices?
A.
Process analog signals
B.
Provide internet connectivity
C.
Perform digital signal processing tasks
D.
Control power consumption
Question No# :
45
out of 50
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Secret words or numbers used for protection of devices is called
उपकरणों की सुरक्षा के लिए प्रयुक्त गुप्त शब्द या अंक कहलाते हैं
A.
Biometric Data
बायोमेट्रिक डेटा
B.
Passwords
पासवर्ड
C.
Private data
निजी डाटा
D.
backup
बैकअप
Question No# :
46
out of 50
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In IoT security, what does the term "Two-Factor Authentication" involve?
A.
Using two different encryption algorithms
B.
Verifying identity using two independent methods
C.
The use of two separate communication protocols
D.
Encrypting data at two different network layers
Question No# :
47
out of 50
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In IoT security, what does the term "Security Patch" refer to?
A.
A physical layer of security
B.
A software update to fix security vulnerabilities
C.
Biometric authentication
D.
A secure communication protocol
Question No# :
48
out of 50
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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# :
49
out of 50
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Which IoT connectivity option is characterized by low-power, long-range communication suitable for outdoor applications?
A.
Zigbee
B.
Bluetooth
C.
LoRaWAN
D.
Wi-Fi
Question No# :
50
out of 50
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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
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