IoT QA

What frequency band is most widely used for IoT applications?

• 900 MHz

• 5.8 GHz

• 2.4 GHz

• 1.2 GHz

Which technology is primarily used for short-range wireless communication in IoT?

• LoRa

• Ethernet

• ZigBee

• Wi-Fi

What does RF stand for in the context of wireless communication?

• Radio Frequency

• Remote Function

• Rapid Frequency

• Radio Field

Which of the following is a characteristic of ZigBee?

• Low data rate

• Long-range communication

• Requires line of sight

• High power consumption

What is a key advantage of cloud servers over traditional servers?

• On-premises management

• Limited access

• Scalability

• Higher physical security

What is the primary function of a hypervisor in cloud computing?

• To manage user access

• To enhance network security

• To connect and virtualize physical servers

• To provide data storage

Which of the following is a challenge in managing IoT devices?

• Interoperability

• Unlimited power supply

• High data rates

• Standardized protocols

What is the main purpose of configuration management in IoT?

• To ensure proper device configuration

• To enhance device aesthetics

• To increase power consumption

• To limit device connectivity

Which of the following describes a hybrid cloud?

• Only private cloud resources

• Cloud resources located on-premises only

• Only public cloud resources

• Combination of public and private clouds

What is a significant benefit of using Bluetooth technology?

• Limited device compatibility

• Secure communication

• High power consumption

• Requires line of sight