Which of the following protocols uses port 119, by default?（）A、NNTPB、NTPC、TFTPD、FTP
Which of the following protocols uses port 119, by default?（）
- A、NNTP
- B、NTP
- C、TFTP
- D、FTP
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多选题Which of the following protocols utilize TCP?（）ANTPBNNTPCSMTPDSNMPEHTTPSFTFTP