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A company is installing Cisco Collaboration infrastructure and one of the requirements is that they must be able to communicate with many external parties that are using H.323 and SIP. Internally they want to register the endpoints only on SIP. Which functionality would describe the feature that needs to be enabled and where to achieve this?
Which complication does a NAT introduce in SDP for a SIP call?
Refer to the exhibit. Mobile and remote access is being added to an existing B2B deployment and is failing. When the administrator looks at the alarms on the Expressway-C, the snippets are shown. Which configuration action should the administrator take to fix this issue?
An administrator has been tasked to bulk entitle 200 existing users and ensure all future users are automatically configured for the Webex Hybrid Calendar Service. Which two options should be used to configure these users? (Choose two.)
Refer to the exhibit. Calls to locally registered endpoints are failing. At present, there are two endpoints registered locally to this Expressway. An H.323 endpoint with an alias of “EndpointA” is registered, and a SIP endpoint with an alias of “[email protected]” is also registered. How is this issue resolved?
An engineer is deploying an Expressway solution for the SIP domain Cisco.com. Which SRV record should be configured in the public DNS to support inbound B2B calls?
Refer to the exhibit. An ISDN gateway is registered to Expressway-C with a prefix of 9 and/or it has a neighbor zone specified that routes calls starting with a 9. Which value should be entered into the "Source" field to prevent toll fraud regardless at origin of the call?
What is the purpose of a transform in the Expressway server?
Where are voice calls handled in a Cisco Jabber hybrid cloud-based deployment with Cisco Webex Platform Service?
When deploying an Expressway Core and Expressway Edge cluster for mobile and remote access, which TLS verity subject name must be configured on the Expressway-E UC traversal zone?

Question 57 - 300-820 discussion

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Which two statements about Expressway media traversal are true? (Choose two.)

A.

Expressway Control is the traversal server installed in the DMZ.

Answers
A.

Expressway Control is the traversal server installed in the DMZ.

B.

The Expressway Edge must be put in a firewall DMZ segment.

Answers
B.

The Expressway Edge must be put in a firewall DMZ segment.

C.

Cisco Unified Communications Manager zone can be either traversal server or client.

Answers
C.

Cisco Unified Communications Manager zone can be either traversal server or client.

D.

The Unified Communications traversal zone can be used for Mobile and Remote Access.

Answers
D.

The Unified Communications traversal zone can be used for Mobile and Remote Access.

E.

Both Expressway Edge interfaces can be NATed.

Answers
E.

Both Expressway Edge interfaces can be NATed.

Suggested answer: B, D
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asked 10/10/2024
Bob Target
38 questions
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