Which of the following is a reason to block FTP at the corporate firewall?（）A、It does not transfer encrypted files.B、It cannot be tunneled in a VPN.C、It is a deprecated protocol.D、It transmits passwords in clear text
题目
Which of the following is a reason to block FTP at the corporate firewall?（）
- A、It does not transfer encrypted files.
- B、It cannot be tunneled in a VPN.
- C、It is a deprecated protocol.
- D、It transmits passwords in clear text