ACI - Module 5 Part 7

What does the read range of RFID tags depend on?

• The size of the RFID tag

• The frequency band and the power of the RFID reader

• The color of the RFID tag

• The material of the RFID tag

Answer explanation

The read range of RFID tags depends on the frequency band and the power of the RFID reader.

Which frequency bands typically have a shorter read range for RFID tags?

• UHF

• VHF

• LF and HF

• SHF

Answer explanation

LF and HF frequency bands typically have a shorter read range for RFID tags.

What is one of the applications of RFID technology?

• Cooking food

• Asset tracking

• Painting

• Gardening

Answer explanation

RFID technology is commonly used for asset tracking, allowing businesses to monitor and manage their inventory, equipment, and other valuable items efficiently.

How can RFID technology improve data collection?

• By reducing the amount of data collected

• By improving accuracy and security

• By increasing the size of the data

• By making data collection slower

Answer explanation

RFID technology can improve data collection by enhancing accuracy and security, ensuring that the collected data is reliable and protected from unauthorized access or tampering.

What security measures can RFID systems incorporate?

• Authentication and encryption

• Physical locks

• Biometric scanning

• Password protection

Answer explanation

RFID systems can incorporate security measures such as authentication and encryption to ensure data protection and access control.

What does encryption in RFID systems help prevent?

• Unauthorized access to sensitive information

• Faster data transmission

• Larger data storage

• Physical damage to the RFID tags

Answer explanation

Encryption in RFID systems helps prevent unauthorized access to sensitive information by securing the data transmitted and stored within the RFID tags.

Which Wi-Fi standard released in 2019 should an organization consider adopting to ensure optimal performance for video conferencing, file sharing, and data-intensive tasks?

• Wi-Fi 4

• Wi-Fi 5

• Wi-Fi 6

• Wi-Fi 3

Answer explanation

Wi-Fi 6, released in 2019, is the standard an organization should consider for optimal performance in video conferencing, file sharing, and data-intensive tasks.

What is the latest generation of Wi-Fi technology mentioned in the document?

• 802.11ac

• 802.11n

• 802.11ax

• 802.11g

Answer explanation

The latest generation of Wi-Fi technology mentioned in the document is 802.11ax.

Which of the following is NOT a benefit of 802.11ax?

• Increased capacity

• Faster speeds

• Improved efficiency

• Reduced latency

Answer explanation

Reduced latency is NOT a benefit of 802.11ax, as it focuses on increased capacity, faster speeds, and improved efficiency.

What technology does 802.11ax use to divide Wi-Fi channels into smaller sub-channels?

• TWT

• OFDM

• MIMO

• MU-MIMO

Answer explanation

802.11ax uses OFDM technology to divide Wi-Fi channels into smaller sub-channels.