Which of the following protocols is commonly used by ping?（）A、SIPB、ICMPC、TFTPD、ARP
Which of the following protocols is commonly used by ping?（）
- A、SIP
- B、ICMP
- C、TFTP
- D、ARP
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多选题Which of the following protocols utilize TCP?（）ANTPBNNTPCSMTPDSNMPEHTTPSFTFTP