Regarding the firewall security policy, the following items are correct?

• A.By default, the security policy can control multicast
• B.By default, the security policy can control unicast packets and broadcast packets.
• C.By default, the security policy can control unicast messages, broadcast messages and multicast messages
• D.By default, the security policy only controls unicast packets.

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Which of the following descriptions about the patch is wrong?

• A.Patches are generally updated continuously.
• B.Computer users should download and install the latest patches in time to protect their systems
• C.Not applying a patch does not affect the operation of the system, so it does not matter whether it is patched or not.
• D.A patch is a small program made by the original author of the software for the discovered vulnerabilities

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Which of the following is not part of the digital certificate?

• A.Validity period
• B.Public key
• C.Issuer
• D.Private key

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Regarding the single sign-on supported by the firewall, which one of the following is not included?

• A.RADIUS.Single sign-on
• B.HWTACACS single sign-on
• C.AD single sign-on
• D.ISM single sign-on

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Which of the following are HRP(Huawei Redundancy Protocol) protocol can back up state information?
(multiple choice)

• A.session table
• B.ServerMapentry
• C.Dynamic blacklist
• D.routing table

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