Under normal conditions, what is the Cisco default attenuation level on a gateway?

Your Cisco Unified CallManager 5.0 cluster is using your corporate Windows 2003 Active
Directory for user information. Over the weekend you updated the Windows 2003 Active Directory
Server and added a small group of new users. Cisco Unified CallManager is configured to
synchronize with the Active Directory server every 8 hours and it has been 32 hours since the last
successful synchronization. The configuration on Cisco Unified CallManager did not change during
the Active Directory server upgrade and the remainder of the Windows network is functioning
properly.
What are two possible causes of this synchronization issue? (Choose two.)

Refer to the exhibit. You have received a trouble ticket stating that users cannot place calls to the
PSTN. During testing you discover the gateway is not switching to the secondary call agent when
the primary call agent is unreachable.
What needs to be done to allow the MGCP gateway to use a different call agent if the primary
fails?

You have received a trouble ticket stating that when callers dial the internal Help Desk queue at
extension 2300, they hear a message that their calls cannot be completed as dialed. Which two
issues could cause this problem? (Choose two.)

HOTSPOT
What needs to be done to the configuration in the CallManager for it to register with the gatekeeper in zone West?

When using trace output to troubleshoot a Cisco Unified CallManager 5.0 problem, how can you
collect and view the trace files?