At this stage, we have mastered three source NAT technologies, namely NAT No-PAT and ______ Easy IP.

• A.NATP

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About intrusion prevention systems (IPS), which of the following is false?

• A.IPSDevices can be connected in series at the network boundary and deployed online
• B.IPSOnce the device detects intrusion behavior, it can achieve real-time blocking
• C.IDSThe device needs to be linked with the firewall to block intrusion
• D.IPSThe device cannot be deployed in bypass mode in the network

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aboutVGMPIn a description of group management, which of the following is false?

• A.The active and standby devices learn about the status of each other through the exchange of heartbeat messages, and back up related commands and status information.
• B.VRRPbackup group master/All standby status changes need to be notified to theVGMPmanagement group
• C.The interface types and numbers of the heartbeat ports of the two firewalls can be different, as long as the Layer 2 interoperability can be guaranteed.
• D.Active and standby firewallsVGMPtimed starthellomessage

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After an engineer completes the source NAT configuration, the internal network still cannot access the external network. The engineer wants to query the detailed information of the address translation by using the command to query the session table, so the engineer directly uses the ( ) command in the user view to query the address translation. information. (fill in the blank)

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To configure a NAT policy in command line mode, you need to use the .command ( ) in the system view to enter the NAT policy configuration view. (all lowercase) (fill in the blank)

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