Which two are required to support the use of the switch CAM table to find telephone devices for E-911 services? (Choose two)

A.
A list of switch IP address.

B.
Enable and telnet passwords.

C.
CAM phone port on a Catalyst switch.

D.
CAM Sniffer (CAM-S) on a trunk port of a Catalyst switch.

Explanation:
Page 262 – CIPT Student Guide 3.3
When using the switch CAM table (alternate) to find telephone devices, the following guidelines need to be followed:
1. Requires a list of switch IP addresses, telnet and enable passwords, and SNMP read strings.