In the RSTP protocol, the uplink port of the non-root switch has the parameter of the port identifier. The port identifier consists of two parts, they are:

In the RSTP protocol, the uplink port of the non-root switch has the parameter of the port identifier. The port identifier consists of two parts, they are:
A . One-byte port priority and one-byte port number
B . One-byte port priority and two-byte port number
C . Two-byte port priority and one-byte port number
D . Two-byte port priority and two-byte port number

Answer: A