What is the function of this port number?

When configuring the connection between the Agile Controller and WLAN, we need to configure a port number if we want to enable Portal, as shown in the following configuration. The default port number is 2000.

What is the function of this port number?
A . [AC] web-auth-server listening-port 2000
B . Destination port number in the packets that the WLAN device sends to the Portal server
C . Number of the port that WLAN device uses to process Portal protocol packets
D . Source port number in the packets that the WLAN device sends to the Portal server
E . Number of the port that the WLAN device uses to receive Portal protocol packets

View Answer

Answer: B