Which service must be enabled when LDAP on cisco UCM is used?

After an engineer implements the FAC and CMC features together, users report that calls take almost one minute to complete and that they occasionally hear the reorder tone. Which two actions address this issue?( Choose two)

An engineer implements QoS in the enterprise network. Which command is used to verity the classification and marking on a Cisco IOS switch?

Refer to the exhibit.

An administrator configures a secure SIP trunk on Cisco UCM.
Which value is needed in the secure certificate subject or subject alternate name field to accomplish this task?

Refer to the exhibit.

Which Codec is negotiated?