Question 1

Which of the following is a wireless technology commonly used in IoT networks for short-range communication?

Options :

A : Zigbee

B : WiMAX

C : Bluetooth

D : LTE

Answer: C

Question 2

What is a potential security risk associated with IoT devices?

Options :

A : Regular updates

B : Public disclosure of passwords

C : Unauthorized access

D : Strong encryption

Answer: C

Question 3

What is the main advantage of using MQTT as a messaging protocol in IoT applications?

Options :

A : Low latency

B : Real-time encryption

C : Scalability

D : High bandwidth

Answer: C

Question 4

What is a potential challenge of implementing IoT security in smart home devices?

Options :

A : Lack of user awareness

B : Interoperability issues

C : Strong encryption

D : Limited connectivity

Answer: B

Question 5

What is the primary function of a sensor node in an IoT network?

Options :

A : Data storage

B : Data transmission

C : Data acquisition

D : Data analysis

Answer: C