Refer to the exhibit. Which codec should an engineer select for a call made between "Dallas-REG" & "Austin-REG"?

• A.MP4A-LATM
• B.OPUS
• C.G.711
• D.G.729

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Which configuration concept allows for high-availability on IM and Presence services in a UC environment?

• A.IM and Presence subclusters (configured on Cisco UCM)
• B.Presence Redundancy Groups (configured on Cisco Unified IM and Presence)
• C.Presence Redundancy Groups (configured on Cisco UCM)
• D.IM and Presence subclusters (configured on Cisco Unified IM and Presence)

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Why does Cisco UCM use DNS?

• A.It resolves FQDN to IP address resolution for trunks.
• B.It connects endpoints to single sign-on services
• C.It provides SRV resolution to the endpoints registered.
• D.It provides certificate-based security for media.

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An administrator must configure the local route group feature on cisco UCM. Which step will enable this feature?

• A.For each route pattern, select the Local Route Group as the destination.
• B.For each route group, check the box for the Local Route Group feature.
• C.For each device pool. configure a route group to use as a Local Route Group for that device pool
• D.For each route list configure a route group to use as a Local Route Group.

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Refer to the exhibit. What is a possible cause of the PRI issue?

• A.The cable is unplugged.
• B.The controller shut down.
• C.The clock source is incorrect.
• D.The framing is configured incorrectly.

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