To Make Up the Avaya Aura Core, Which Three Links

Multiple Choice

To make up the Avaya Aura Core, which three links or relationships are the minimum that must be built? (Choose three.)

A) An LDAP link from Avaya Aura System Manager (SMGR) to the corporate Directory Server
B) A SIP Trunk between Avaya Aura Communication Manager (CM) and Avaya Aura System Manager (SMGR)
C) A SIP Trunk between Avaya Aura Session Manager (SM) and Avaya Aura Communication Manager (CM)
D) An Avaya Aura Communication Manager (CM) managed element in Avaya Aura System Manager (SMGR)
E) A trust relationship between Avaya Aura System Manager (SMGR) and Avaya Aura Session Manager (SM)