CompTIA ITF+ (FC0-U61) — Question 21

Which of the following is a wireless communication that requires devices to be within 6in of each other to transfer information?

Answer options

• A. Infrared
• B. NFC
• C. Bluetooth
• D. WiFi

Correct answer: B

Explanation

NFC (Near Field Communication) is specifically designed for very short-range communication, requiring devices to be within approximately 6 inches to transmit data. Infrared, Bluetooth, and WiFi have longer range capabilities and do not require such close proximity for operation.