Which statement regarding the Survivable Communication Manager (CM) is true?

The Survivable Communication Manager (CM) is configured on the System Manager (SMGR) as a Managed Element. A Managed Element is an entity that can be managed by SMGR, such as Communication Manager, Session Manager, Presence Services, or Breeze Platform. A Survivable CM is a Communication Manager instance that provides local call processing and trunking capabilities for remote sites or branches in case of a WAN outage or loss of connectivity with the core servers. A Survivable CM can be deployed on an S8300D server or on an external server such as Dell R620/R630 or HP DL360 G8/G9. To configure a Survivable CM as a Managed Element on SMGR, you need to specify its name, type, IP address, login credentials, and security settings56