Campus virtualization solution, the networking topology that is not supported by underlay routing automation is ()

Answer(s): D

In the V1R22C00 version of CloudCampus solution, the description of the FW synchronization IP- Group feature is incorrect ()

NCE-Campus supports the configuration of firewall security group policies.
When a user passes the NCE-Campus authentication or the permission changes, NCE-Campus synchronizes the user name, IP-group, and IP address information to FW, and FW identifies all user groups based on the mapping relationship between IP address, user name, and IP-group, and executes the corresponding security group policy.
Reuse the current online behavior management process, and add lP-Group information to the synchronization information of NCE-Campus and firewall.
When the user goes online and ages in FW, FW actively queries the online user to the NCE-
Campus server to keep the IP-Group and other information at both ends synchronized

Answer(s): A

In the LAN-WAN convergence scenario, the description of RR deployment design principles is wrong ()

The RR must be redundant, and at least two RR devices must exist on the live network. Prevent network-wide service interruption caused by the failure of only one RR device on the entire network.
Try to choose an independent RR, which can be deployed on a single device in the independent RR scenario.
Use the RR model recommended in the specification list;
The Edge should be dual-uplink to the two RR devices to achieve egress backup;

Answer(s): B

The following common obstacle signals have the least attenuation ()

Answer(s): D

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