The backup methods of dual-system hot backup include automatic backup ( ), manual batch backup, and automatic synchronization of the configuration of the active and standby FW after the device restarts. (fill in the blank)

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Which of the following categories are included in Huawei Firewall User Management? (multiple choice)

• A.Device user management
• B.Access user management
• C.Internet user management
• D.Admin user management

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Social engineering is a kind of harmful means such as deception and harm through psychological traps such as psychological weakness, instinctual reaction, curiosity, trust, and greed of the victim.

• A.FALSE
• B.TURE

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The reason why OSPF is more commonly used than RIP is that OSPF has a device authentication function and is more secure.

• A.False
• B.True

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aboutIPSec SA, which of the following statements is correct?

• A.IPSec SAis unidirectional
• B.IPSec SAis bidirectional
• C.Used to generate secret algorithms
• D.Used to generate encryption keys

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