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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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Which one is the most discussed challenge in IOT
आईओटी में सबसे ज्यादा चर्चित चुनौती कौन सी है
A.
Standard
स्टैण्डर्ड
B.
Security
सुरक्षा
C.
Regulation
विनियमन
D.
Internet
इंटरनेट
Question No# :
02
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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# :
03
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While presenting using projectors, information line can be revealed by using an__________sheet to over the
प्रोजेक्टर का उपयोग करते हुए, ________के ऊपर एक __________ शीट का उपयोग करके सूचना रेखा को प्रकट किया जा सकता है
A.
Transparent, slide
पारदर्शी ,स्लाइड
B.
Translucent, transparency
स्पस्ट पारदर्शीता
C.
Opaque, flip chart
अपारदर्शिता, फ्लिप चार्ट
D.
Opaque, transparency
अपारदर्शिता, पारदर्शीता
Question No# :
04
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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# :
05
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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# :
06
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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# :
07
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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# :
08
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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# :
09
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What indicates to the reader the purpose of a letter?
पाठक को पत्र का उद्देश्य क्या इंगित करता है?
A.
Subject
विषय
B.
Body
प्रधान भाग
C.
Address
पता
D.
Salutation
अभिवादन
Question No# :
10
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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# :
11
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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# :
12
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Which IoT communication model involves a central server managing and controlling all communication between devices?
A.
Peer-to-Peer (P2P)
B.
Publish-Subscribe
C.
Client-Server
D.
Point-to-Multipoint
Question No# :
13
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What is the primary function of the "Gradient Tool" in Adobe Photoshop 7?
A.
Adds a gradient background to an image
B.
Adjusts the sharpness of an image
C.
Creates custom brushes for painting
D.
Changes the image resolution
Question No# :
14
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Confidentiality in IoT security ensures:
IoT सुरक्षा में गोपनीयता सुनिश्चित करती है:
A.
Data is modified only by authorized users
Data is modified only by authorized users
B.
Data remains available at all times
Data remains available at all times
C.
Data is accessible only to authorized entities
Data is accessible only to authorized entities
D.
Data is stored permanently
Data is stored permanently
Question No# :
15
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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# :
16
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# :
17
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# :
18
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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# :
19
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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# :
20
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Which file format supports transparent backgrounds in Photoshop 7?
A.
JPEG
B.
GIF
C.
PNG
D.
TIFF
Question No# :
21
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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# :
22
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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# :
23
out of 50
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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# :
24
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# :
25
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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# :
26
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What is Edge Computing in IoT?
A.
Processing data on the cloud server
B.
Processing data on the IoT device itself
C.
Transmitting data to outer space
D.
Encrypting data during transmission
Question No# :
27
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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# :
28
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What is the primary role of a Hall-effect sensor in an IoT device?
A.
Measure magnetic field strength
B.
Detect changes in temperature
C.
Monitor air quality
D.
Measure humidity
Question No# :
29
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What is the role of a sensor in an IoT device?
A.
Perform actions based on received data
B.
Connect devices to the cloud
C.
Measure and collect data from the environment
D.
Encrypt communication between devices
Question No# :
30
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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# :
31
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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# :
32
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Remote enables entities that utilize IOT devices to connect and control them using a dashboard. This includes___
रिमोट उन संस्थाओं को सक्षम बनाता है जो एक डैशबोर्ड का उपयोग करके उन्हें कनेक्ट और नियंत्रित करने के लिए IOT उपकरणों का उपयोग करते हैं। इसमें शामिल है....
A.
Smartphones
स्मार्ट फोन
B.
Tablet and PCs
टेबलेट और पीसी
C.
Smart Watches
स्मार्ट वॉच
D.
All of the above
उपर्युक्त सभी
Question No# :
33
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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# :
34
out of 50
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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# :
35
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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# :
36
out of 50
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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# :
37
out of 50
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Which wireless communication protocol is commonly used in IoT devices for short-range communication?
A.
Bluetooth
B.
Wi-Fi
C.
Zigbee
D.
LTE
Question No# :
38
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# :
39
out of 50
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What is the primary function of a tilt sensor in an IoT device?
A.
Measure air pressure
B.
Detect changes in humidity
C.
Monitor angular position or tilt
D.
Measure light intensity
Question No# :
40
out of 50
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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# :
41
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# :
42
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# :
43
out of 50
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Which wireless communication technology is commonly used in IoT devices for low-power, short-range communication within a personal area network (PAN)?
A.
Zigbee
B.
Wi-Fi
C.
Bluetooth
D.
NFC (Near Field Communication)
Question No# :
44
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
Question No# :
45
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Which of the following is a challenge associated with the deployment of large-scale IoT networks?
A.
Limited device diversity
B.
Low energy consumption
C.
Scalability issues
D.
Standardized protocols
Question No# :
46
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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# :
47
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# :
48
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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# :
49
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What does the term "Smart Home" refer to in the context of IoT?
A.
A home with advanced security systems
B.
A home with automated and connected devices
C.
A home with only Wi-Fi connectivity
D.
A home with virtual reality technology
Question No# :
50
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
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