TestOut LabSim A+ Certification Practice Exam

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You require a wireless connection capable of transferring sensitive information between your phone, PDA, and laptop. What is the best choice?

Wi-Fi Direct
Bluetooth
Infrared
Zigbee

The correct answer is: Bluetooth

Bluetooth is the best choice for transferring sensitive information between your phone, PDA, and laptop for several reasons. It operates over short ranges, typically within about 30 feet, which reduces the risk of interception by unauthorized users. Bluetooth employs encryption protocols to enhance security during data transmission, making it suitable for transferring sensitive data. In addition, Bluetooth is widely supported across various devices, ensuring compatibility between phones, PDAs, and laptops. It is designed for low power consumption while maintaining a stable connection, which is ideal for mobile devices. Other technologies like Wi-Fi Direct offer higher data transfer speeds but may present greater security vulnerabilities when not properly secured. Infrared can be used for file transfers but is limited by line-of-sight requirements, making it less convenient. Zigbee, while efficient for low-power devices and IoT applications, is not typically used for direct file transfers between personal devices. Thus, Bluetooth stands out as the most secure and user-friendly option for this task.