Which two methods can be used to determine the status of the Switch/CTI Link between Avaya Aura Communication Manager (CM) and Avaya Aura Application Enablement Services (AES)? (Choose two.)

When enabling Remote Worker telephones to access a Public Directory, which additional configuration item needs to be configured on the Avaya Session Border Controller for Enterprise (SBCE)?

When a user is forwarded to Avaya Aura® Messaging (AAM), Avaya Aura® Communication Manager (CM) needs to indicate to AAM who the call was originally destined for, so that the message is left in the correct mailbox.
Which SIP header is used to indicate for whom the call was originally destined, and the reason for being forwarded to AAM?

Who is responsible for Discipline 4, Determining Root Cause, of the 8D Troubleshooting Methodology?

Considering the message flow to an Avaya Aura Contract Centre (AACC) Agent Desktop, which protocol is used to communicate between AACC, CCT, and the Agent Desktop PC?