A Cisco Unified CM cluster is being set up for call control discover using the service advertising framework. An enginee

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A Cisco Unified CM cluster is being set up for call control discover using the service advertising framework. An engineer discovers that patterns are not being learned by the cluster. Which two items must be checked in an attempt to resolve the issue? (Choose two)

A. The CCD block patterns are not preventing remote patterns from being entered into the local cache.
B. The hostedDN group on the cluster matches the patterns that should be learned.
C. The CCD advertising service is activated in Cisco unified CM serviceability.
D. A CCD route partition has been assigned for learned patterns.
E. The CCD requesting service is activated in Cisco unified CM serviceability.
F. The Sip trunk is enabled for call control discover.