Management Information Base (MIB) Information Base) is a virtual database, this database only exists on NMS. ()

When planning a campus network, you can plan VLANs according to business types.

An existing switch is connected to a designated port through a port, but the port does not forward any packets, but can monitor network changes by receiving BPDUs. Then the role of the port should be.

In what ways does VRP support router configuration? ()*

What is the value of TPID defined by IEEE802.1Q?