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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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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# :
02
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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# :
03
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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# :
04
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Which file format supports transparent backgrounds in Photoshop 7?
A.
JPEG
B.
GIF
C.
PNG
D.
TIFF
Question No# :
05
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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# :
06
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Which IoT application involves the use of sensors and devices for monitoring and managing agricultural processes?
A.
Smart Cities
B.
Smart Grids
C.
Precision Agriculture
D.
Industrial IoT (IIoT)
Question No# :
07
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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# :
08
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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# :
09
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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# :
10
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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# :
11
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API enables services portability between?
एपीआई सेवाओ के बीच पोर्टेबिलिटी को सक्षम बनाता है-
A.
Systems
सिस्टम
B.
Devices
डिवाइस
C.
Networks
नेटवर्क
D.
Services
सर्विस
Question No# :
12
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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# :
13
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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# :
14
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What does RFID stand for in the context of IoT?
A.
Radio Frequency Identification
B.
Real-time Frequency Integration Device
C.
Remote Field Identification
D.
Rapid Fire Data
Question No# :
15
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_________ is the guarantee of reliable and constant access to your sensitive data by authorized data
_________ अधिकृत डेटा द्वारा आपके संवेदनशील डेटा तक विश्वसनीय और निरंतर पहुंच की गारंटी है
A.
Confidentiality
Confidentiality
B.
Integrity
Integrity
C.
Availability
Availability
D.
None of these
None of these
Question No# :
16
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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# :
17
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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# :
18
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Which IoT application involves the use of connected devices for monitoring and managing the distribution of electricity?
A.
Smart Cities
B.
Smart Grids
C.
Smart Agriculture
D.
Smart Healthcare
Question No# :
19
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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# :
20
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Spring Boot Actuator exposes operational information about running application using endpoints.
स्प्रिंग बूट एक्ट्यूएटर_______समापन बिंदुओ का उपयोग करके रनिंग एप्लिकेशन के परिचालन जानकारी को उजागर करता है
A.
TCP
TCP
B.
HTTP
HTTP
C.
IP
IP
D.
FTP
FTP
Question No# :
21
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Which IoT security measure involves restricting access to resources based on the identity of the user or device?
A.
Encryption
B.
Authentication
C.
Authorization
D.
Firewall
Question No# :
22
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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# :
23
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Which of the following is a good password example.
निम्न में से कौन सा एक अच्छा पासवर्ड उदाहरण हैं
A.
name of spouse
जीवनसाथी का नाम
B.
Name of hobby
शौक का नाम
C.
Contains multiple random digit with special charactor
स्पेशल कैरेक्टर साथ कई रैंडम अंक शामिल हैं
D.
None of the above
इनमे से कोई भी नहीं
Question No# :
24
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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# :
25
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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# :
26
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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# :
27
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In the context of IoT, what does the term "M2M" stand for?
A.
Machine-to-Machine
B.
Mobile-to-Mobile
C.
Module-to-Module
D.
Micro-to-Macro
Question No# :
28
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Which IoT application involves the use of connected devices for optimizing energy consumption in buildings?
A.
Smart Cities
B.
Smart Grids
C.
Smart Transportation
D.
Smart Buildings
Question No# :
29
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What is the primary purpose of a pressure sensor in an IoT-based weather monitoring system?
A.
Measure humidity
B.
Detect changes in temperature
C.
Monitor atmospheric pressure
D.
Measure air quality
Question No# :
30
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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# :
31
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Which IoT security measure involves creating a secure tunnel for transmitting data over an untrusted network?
A.
Authentication
B.
Authorization
C.
VPN (Virtual Private Network)
D.
Encryption
Question No# :
32
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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# :
33
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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# :
34
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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# :
35
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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# :
36
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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# :
37
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Reports are usually utilized to present the outcome of:
रिपोर्ट का उपयोग आमतौर पर________के परिणाम प्रस्तुत करने के लिए किया जाता है?
A.
Experiment
परीक्षण
B.
Inquiry
समीण
C.
Investigation
अन्वेषण
D.
All of these
ये सभी
Question No# :
38
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_____ is the process of indentifying a person before giving an access?
.........एक्सेस देने से पहले किसी व्यक्ति की पहचान करने की प्रक्रिया है?
A.
Auditing
ऑडिटिंग
B.
Authorisation
ऑथोराईजेशन
C.
Authentication
ऑथेन्टिकेशन
D.
Accounting
अकाउन्टिंग
Question No# :
39
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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# :
40
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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# :
41
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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# :
42
out of 50
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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# :
43
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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# :
44
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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# :
45
out of 50
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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# :
46
out of 50
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What is the role of a humidity sensor in an IoT-based greenhouse system?
A.
Monitor soil moisture
B.
Measure humidity in the air
C.
Track temperature variations
D.
Detect intruders
Question No# :
47
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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# :
48
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# :
49
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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# :
50
out of 50
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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
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