(On a VXLAN-based virtualized campus network, terminals communicate with each other through VXLAN tunnels. When the campus network needs to communicate with external networks, the data must pass through border nodes.)

• A.TRUE
• B.FALSE

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In the WAN BGP protocol, which of the following loop prevention mechanisms can "reject routes containing local AS numbers by checking the AS paths traversed by the route"?

• A.BGP Local Preferences property
• B.BGP MED attributes
• C.IBGP horizontal segmentation
• D.AS_PATH anti-loop

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(MAC address learning of a static VXLAN tunnel depends on exchange of packets, such as ARP packets, between hosts.)

• A.TRUE
• B.FALSE

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In the Huawei SD-WAN iMaster NCE-WAN management platform, which of the following functions can "perform syntax validation on the configuration of branch devices to avoid device failure due to configuration errors"?

• A.Batch distribution of configuration templates
• B.Configure syntax validation and error messages
• C.Equipment hardware resource monitoring
• D.Network topology visualization

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In MPLS VPN network troubleshooting, if "the PE device has learned the remote CE route, but the local CE device still cannot ping the remote CE", which of the following troubleshooting steps should be performed first?

• A.Check if the BGP VPNv4 neighbor between PE devices is established normally.
• B.Check if the MPLS LSP is established on the P device.
• C.Check if the IP address of the VPN instance interface on the local PE device is on the same network segment as the CE device.
• D.Check if the operating system of the remote CE device is running normally.

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