which statements regarding the Application later protocil FTP amd TFTP incorrect

a TFTP uses UDP

b FTP is a client$/$server protocol used to transfer files and manage files across a network

c TFTP is a simple protocol for transferring files and has a little file management capability

d FTP uses TCP port $20$ and $21.$Port $21$ is for users sending control commands and port $20$ is for transferring file dat

e FTP is a secure protocol