Which of the following information can be obtained?

The customer LAN switches SWA, SWB, and SWC form the RRPP ring main ring 1. The switch SWA has the following configuration information:

[SWA] rrpp domain 1

[SWA-rrpp-domain1] control-vlan 4092

Which of the following information can be obtained?

A. The primary ring control VLAN on switches SWB and SWC can be different from that on SWA.

B. All ports on switches SWA, SWB, and SWC need to be added to VLAN 4092

C. The ports on switches SWA, SWB, and SWCRRPP rings that access the RRPP ring need to be added to VLAN 4092

D. To facilitate network management, you can configure an IP management address on VLAN 4092.

Answer: C