COMPUTER NETWORKING

WIRELESS NETWORKS AND MOBILE IP

INTRODUCTION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which technology is predominately used for contactless payment systems?
A
wireless local area network (WLAN)
B
Bluetooth
C
near field communication (NFC)
D
Temporal Key Integrity Protocol (TKIP)
Explanation: 

Detailed explanation-1: -NFC (near field communication) is the technology that allows two devices-like your phone and a payments terminal-to talk to each other when they’re close together. NFC is the technology that enables contactless payments.

Detailed explanation-2: -In short: RFID stands for Radio Frequency Identification, a contactless one-way communication method at varying distances. NFC, Near Field Communication, allows for two-way communication and requires action by the user.

Detailed explanation-3: -NFC is based on wireless technology while RFID is not. RFID is faster than NFC. RFID is designed for paper-based tags while NFC is not. NFC devices cannot pair as quickly as RFID devices.

There is 1 question to complete.