Which of the following is not a common application scenario of digital certificates? ( )[Multiple choice]*

• A.FTP
• B.IPSEC VPN
• C.HTTPS
• D.SSL VPN

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Which of the following is the status information that can be backed up by the HRP (Huawei Redundancy Protocol) protocol? (Multiple choice)

• A.ServerMap table entries
• B.Routing table
• C.Session table
• D.Dynamic blacklist

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Which of the following protocols is not a protocol type that ASPF can detect? ( )[Multiple choice]*

• A.FTP
• B.MSTP
• C.DNS
• D.PPTP

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Which of the following is the encryption technology used in the digital envelope?

• A.Stream encryption algorithm
• B.Asymmetric encryption algorithm
• C.Symmetric encryption algorithm
• D.Hashing algorithm

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In the process of using the server, there are various security threats. Which of the following options is not a server security threat?

• A.DDos attack
• B.Malicious program
• C.Hacking
• D.Natural disasters

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