Answer:
C. NFC
Explanation:
NFC stands for Near Field Communication. NFC is been embedded in recent mobile device (ranging from phone to tablet) to ease payment. NFC is a short-range high frequency wireless communication technology that enables the exchange of data between devices over about a 10 cm distance.
From the option, Bluetooth look like a probable answer but when they are both compared; we realized that NFC has a shorter set-up time over bluetooth and is therefore faster than bluetooth.
TCP is a reliable protocol. Verification of the data (to an extent) is performed. UDP is an unreliable protocol. It's a "fire and forget" protocol. Since the verification ( packet counts, checksums ) isn't being done, the application[s] have to do it.
Check for possible software updates, my reasoning for that is the computer could be trying to initiate an update but is stopped by the user if you don't want it to update go to settings and turn off auto update
Answer:
ISP is the correct answer to the following question.
Explanation:
ISP(Internet Service Provider) is the company or an organization which provides the internet connection or access to any persons, individuals or any company. It is the device that connects networks and direct flow of the data or information through the network. If you want to connect through ISP then, you have to connect this device to the computer system.
