Question No. 1

Jabber cannot log in via Mobile and Remote Access. You inspect Expressway-C logs and see this error message:

XCP_JABBERD Detail="Unable to connect to host '%IP%', port 7400:(111) Connection refused"

Which is the cause of this issue?

ARich Media Session licenses are not activated on Expressway-E.

BExpressway-E is listening on the wrong IP interface.

CThe destination port for Expressway-E is set to 7400 instead of 8443 on the Expressway-C.

DThe XCP Service is not activated on Expressway-E.

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Correct Answer: B

Question No. 2

Refer to the exhibit.

While troubleshooting Cisco Jabber login issues, there are some error messages. Why is the Jabber client unable to sign in?

Adown Cisco Unified Communications Manager server

BXMPP bind failures

Cincorrect login credentials

Dservice discovery issues

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Correct Answer: B

Question No. 3

What it is the purpose of using ICE for Mobile and Remote Access endpoints in the Cisco Collaboration infrastructure?

AICE controls the bandwidth usage for Cisco Collaboration endpoints if the endpoints are located outside the company network.

BICE enables Cisco Collaboration endpoints to determine if there is direct connectivity between them.

CICE uses FAST updates to optimize the video quality in case of packet loss. This technology is available only from Cisco Unified CM version 11.5 and later.

DICE enablement allows for the Cisco Collaboration endpoint to register through Expressway servers to Cisco Unified Communications Manager behind a firewall.

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Correct Answer: B

Question No. 4

A company already has a Cisco Unified Communications Manager for internal audio and video traffic, but it requires video communication with external partners and customers. It is important to ensure security for the deployment and the connectivity.

What must be set up to enable this requirement?

ACisco Unified Border Element and Cisco ASA Firewall

BCisco Unified Border Element and Cisco Firepower Firewall

CCisco Expressway-C and Cisco Expressway-E

DCisco Expressway-C and Cisco Unified Border Element

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Correct Answer: C

Question No. 5

When deploying an Expressway Core and Expressway Edge cluster for mobile and remote access, which TLS verify subject name must be configured on the Expressway-E UC traversal zone?

AWebex CUSP Cluster Name

BExpressway-E Cluster Name

CCisco Unified Communications Manager Publisher FQDN

DExpressway-C Cluster Name

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Correct Answer: D

Free Cisco 300-820 Exam Actual Questions

The questions for 300-820 were last updated On Apr 30, 2024