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MCQ IOT - SECURITY AND FUTURE OF IOT ECOSYSTEM MCQ Questions
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Question No. -
91
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Which of the following is an example of a wearable IoT device?
A.
Smart Refrigerator
B.
Smart Thermostat
C.
Fitness Tracker
D.
Smart TV
Question No. -
92
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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. -
93
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What is the purpose of a Digital Signature in IoT security?
A.
Encrypt data during transmission
B.
Verify the authenticity and integrity of data
C.
Control access to IoT devices
D.
Provide power to IoT devices
Question No. -
94
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Which IoT network topology connects all devices in a linear sequence, and the last device is connected to the first?
A.
Bus Topology
B.
Star Topology
C.
Ring Topology
D.
Mesh Topology
Question No. -
95
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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. -
96
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Which wireless technology is commonly used for short-range communication between IoT devices?
A.
4G LTE
B.
Zigbee
C.
LoRaWAN
D.
Satellite Communication
Question No. -
97
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What is the purpose of the MQTT QoS (Quality of Service) level in IoT communication?
A.
Control the flow of messages
B.
Ensure data security
C.
Specify the reliability of message delivery
D.
Encrypt data during transmission
Question No. -
98
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Which IoT application involves connecting vehicles to the internet to enhance safety and provide services?
A.
Smart Agriculture
B.
Industrial IoT (IIoT)
C.
Vehicular IoT (VIoT)
D.
IoT in Healthcare
Question No. -
99
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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. -
100
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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
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