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Question 41

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Cisco 300-820 image Question 41 115119 10102024232844000000

Refer to the exhibit. An Expressway-C and Expressway-E are configured for B2B calling and the Expressway-E zone is set to TLS Verify Currently, calls do not reach the Expressway-C. The Traversal Client zone on the Expressway-C for B2B reports the information in the exhibit for the Peer 1 address.

Which action resolves this error?

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Question 42

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Cisco 300-820 image Question 42 115120 10102024232844000000

Refer to the exhibit. Which inbound connection should an administrator configure on the outside firewall?

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Question 43

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How does an administrator configure an Expressway to make sure an external caller cannot reach a specific internal address?

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Question 44

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An engineer wants to configure a zone on the Expressway-E to receive communications from the Expressway-C in order to allow inbound and outbound calls.

How is the peer address configured on the Expressway-C when Expressway-E has only one NIC enabled and is using static NAT mode?

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Question 45

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Cisco 300-820 image Question 45 115123 10102024232844000000

Refer to the exhibit. Which two outbound connections should an administrator configure on the internal firewall? (Choose two.)

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Question 46

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Cisco 300-820 image Question 46 115124 10102024232844000000


Refer to the exhibit. The firewall has been configured from NAT 192.168.108.2 to 100.64.0.1. Which configuration changes are needed for an Expressway-E with dual network interfaces?

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Question 47

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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?

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Question 48

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A call is sent by Cisco UCM to Expressway with a URI of [email protected]. If (7508...)@expc1a\.pod8\.test\.lab.* is the pattern string, what would be the replacement string of the transform in Expressway to re-write the call so that it becomes [email protected]?

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Question 49

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Cisco 300-820 image Question 49 115127 10102024232844000000


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?

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Question 50

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Cisco 300-820 image Question 50 115128 10102024232844000000

Refer to the exhibit. A new neighbor zone is added for a new Cisco Meeting Server, but the zone is showing a SIP status of failed from the time the zone it was created. What should be done to resolve this issue?

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Related questions

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?
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?
Which complication does a NAT introduce in SDP for a SIP call?
Refer to the exhibit showing logs from the Expressway-C, a copy of the Expressway-E certificate, and the UC traversal zone configuration for the Expressway-C. An office administrator is deploying mobile and remote access and sees an issue with the UC traversal zone. The zone is showing “TLS negotiation failure”. What is causing this issue?
When determining why Mobile and Remote Access to Cisco TelePresence equipment does not work anymore for an organization. There are several administrators and configuration changes could have happened without anyone knowing. Internal communication seems to be working, but no external system can register or call anywhere. Gathering symptoms, you also discover that no internal systems can call out either. What is TraversalZone missing that causes this issue?
With QoS enabled, which two statements about the Cisco Webex Video Mesh Node signaling and media traffic are true? (Choose two.)
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?
What should be considered when using the Cisco Webex hybrid service?
Which DNS record and port combination must be resolved externally for Mobile and Remote Access to be used?