Which ofthe following descriptions is correct about port mirroring? (Multiple Choice)

• A.The mirrored port copies the packet to the observing port.
• B.The mirrored port sends the received packet to the monitoring device.
• C.The observing port sends the "eceived packet to the monitoring device.
• D.The observing port copies the packet to the mirrored port.

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In practical applications, asymmetric encryption is mainly used to encrypt user data

• A.False
• B.True

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The Huawei Redundancy Protocol (HRP) is used to synchronize the main firewall configuration and connection status and other data on the backup firewall to synchronize . Whichof the following options is not in the scope of synchronization?

• A.NAT policy
• B.Blacklist
• C.Security policy
• D.IPS signature set

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Which of the following is not the identity of the IPSec SA?

• A.Security policy
• B.Source address
• C.SPI
• D.Destination address

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Which of the following description is correct about the sort of the call setup process for L2TP corridors?
1. L2TP tunnel
2. PPP connection
3. LNS authenticates users
4. Users accessintranet resources
5. Establish an L2TP session

• A.1->2->3->5->4
• B.1->5->3->2->4
• C.2->1->5->3->4 T

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