CompTIA Security+ Exam Notes

CompTIA Security+ Exam Notes
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Saturday, October 26, 2024

Understanding NFC: The Power of Near Field Communication

 NFC (Near Field Communication)

NFC stands for Near Field Communication, a short-range wireless technology that allows devices to exchange information when they are a few centimeters apart. NFC is used in a variety of ways, including:

Contactless payments: NFC-enabled credit cards or mobile wallets can wirelessly communicate with a payment terminal to send encrypted payment information.

Data exchange: NFC can be used to share small amounts of data, such as photos, music, or videos, between two devices.

Connecting to devices: NFC can be used to connect to wireless devices, such as connecting a toy to a video game.

Tracking inventory: NFC can be used to track inventory by scanning products.

Accessing coupons: NFC can be used to access coupons by scanning in-store signs.

NFC is more power-efficient than Bluetooth and is best suited for applications where devices need to be in close proximity.

To check if your device has NFC capabilities, you can look at the backplate of your device.

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