Free Practice Questions for Huawei H12-811_V1.0 Exam

Comprehensive Explanation: The "-i" parameter in the Ping command on Huawei VRP (Versatile Routing Platform) is used to specify the source IP address for sending an Echo Request (ping) packet. This is useful in cases where the router has multiple interfaces and you want to control which interface is used to initiate the ping. By defining the source IP address, the ping request can be sent from a specific interface on the router, enabling network administrators to test connectivity from that interface.

In OSPF, a router in the backbone area (Area 0) has a full LSDB (Link-State Database) for all routers within the OSPF domain. This comprehensive LSDB allows the backbone area to communicate effectively with other areas by providing routing information about all connected OSPF routers, facilitating inter-area routing​.

In RSTP, both alternate and backup ports do not forward user traffic, but they can still receive and process BPDUs (Bridge Protocol Data Units). This allows the network to quickly reconfigure if the active path fails, as these ports are already participating in spanning tree calculations​.

The PVID (Port VLAN ID) for a hybrid port refers to the VLAN that is assigned to untagged traffic. In this case, VLAN 4 is specified as untagged, making it the PVID for this interface. Traffic received without a VLAN tag is associated with VLAN 4 upon entering the switch​.