Select all that apply.

• A

  This is the default state when an IP phone is connected to an unconfigured Cisco Catalyst switch.

• B

  Dual VLANs allow for the logical separation of data and voice traffic, which allows the network to process these two traffic types individually.

• C

  There are no advantages if a Cisco IP phone has a PC attached. Both the voice and data services should be in the same VLAN.

• D

  Implementing dual VLANs allows you to connect two devices that are in different VLANs to a single switch port.

• E

  It is typically used for IP phones that are not Cisco IP phones, IP softphones, or when Cisco IP phones or other Cisco voice devices (such as the Cisco VG248 Analog Phone Gateway) do not support PCs to be connected to them.