What are the two most common causes of echo? (Choose two.)

You are in charge of Troubleshooting Cisco Unified Communications in compny Your company has a cluster running Cisco Unified CallManager 4.1. Which two methods can be used to correct database replication issues? (Choose two.)

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.)

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.)

What parameter of the bandwidth command, used in gatekeeper configuration mode, specifies the maximum amount of bandwidth that can be allocated in a zone?

You have just obtained a list of the following options:

All Patterns
Unassigned DN
Call Park
Conference
Directory Number
Translation Pattern
Call Pickup Group
Route Pattern
Message Waiting
Voice Mail
Attendant Console

What have you selected in order to produce this list?

Refer to the exhibit.

Voice bearer traffic is mapped to which queue in FastEthernet0/2?

Refer to the exhibit.

You have received a trouble ticket stating that calls to international numbers are failing. To place an international call, users dial the access code “9,” followed by “011,” the country code, and the destination number. After entering the debug isdn q931 command on the MGCP gateway, you have the user attempt the call again.Based on the debug output, what is the most likely cause of this problem?

Refer to the exhibit. You have received a trouble ticket 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 an executive with an account at a bank cannot retrieve account information by phone.When the executive calls the bank, the call is answered and the executive is prompted to enter the account code. However, the bank does not seem to recognize the DTMF tones and disconnects the call.What is a possible solution to this problem?