Multiple choice

Which transport layer protocol is used by FTP (File Transfer Protocol)?

  1. TCP

  2. UDP

  3. RUDP

  4. ARP

  5. None of the above
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A Correct answer
Explanation

The function of FTP is to transfer files between user computers/devices. Hence,  it must be reliable and data must reach to destination without any loss. Hence, it uses TCP, which provides reliability, loss-less data transmission. Where as UDP is unreliable and is not suitable for reliable file transmission.

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