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300-820 Online Practice Questions and Answers

Questions 4

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?

A. The search rule must be changed to continue on match

B. The existing zone using ID 7 must be deleted

C. More bandwidth must be added to the appropriate pipes

D. The underlying DNS issue must be resolved

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Questions 5

Which two statements about Mobile and Remote Access certificate are true? (Choose two.)

A. Expressway Core can use private CA signed certificate.

B. You must upload the root certificates in the phone trust store.

C. Expressway must generate certificate signing request.

D. Expressway Edge must use public CA signed certificate.

E. The Jabber client can work with public or private CA signed certificate.

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Questions 6

Which two licenses are required for the B2B feature to work? (Choose two.)

A. Traversal Server

B. TURN Relays

C. Rich Media Sessions

D. Advanced Networking

E. Device Provisioning

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Questions 7

Refer to the exhibit. An engineer is deploying mobile and remote access in an environment that already had functioning Business to Business calling. Mobile and remote access SIP registrations are failing. To troubleshoot, SIP logs were collected. How is this issue resolved?

A. Change the SIP profile on the SIP trunk for the Expressway-E to Standard SIP Profile for TelePresence Endpoint

B. Change the "Incoming Port" in the SIP Trunk Security Profile for the Expressway-C to not match SIP line registrations

C. Enable autoregistration for the appropriate DN range on the Cisco UCM servers running the CallManager service

D. Write a custom normalization script since the "vcs-interop" normalization script does not allow registrations

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Questions 8

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?

A. Rich Media Session licenses are not activated on Expressway-E.

B. Expressway-E is listening on the wrong IP interface.

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

D. The XCP Service is not activated on Expressway-E.

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Questions 9

An administrator has been asked to configure Video Mesh signaling traffic to route through a proxy.

Which is an available proxy type in the Video Mesh node configuration to support this deployment model?

A. Transparent Explicit Proxy

B. Transparent Inspecting Proxy

C. Reverse Proxy

D. Distorting Proxy

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Questions 10

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

A. Expressway Control is the traversal server installed in the DMZ.

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.

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

E. Both Expressway Edge interfaces can be NATed.

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Questions 11

Cisco Jabber clients are failing to log in using Mobile and Remote Access. The administrator checked the Jabber problem report logs and saw that connections to the Expressway-E are being refused on TCP port 8443. From a packet capture run on the Jabber client while attempting to log in, there is no response to the TCP SYN packets sent to the Expressway-E by Jabber. Which two reasons are causing the Expressway-E to be unreachable on port 8443 from the internet? (Choose two.)

A. The Jabber clients using an outdated version.

B. The Unified Communications zone is down.

C. The firewall is blocking the port.

D. The certificate for Jabber is expired.

E. The SRV record for _cisco-uds is misconfigured.

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Questions 12

Which 16-digit number is unique to a serial number and is used to enable the system?

A. RMS license key

B. option key

C. release key

D. Expressway series

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Questions 13

Refer to the exhibit. When Expressway-E routes a call with URI [email protected] to a DNS zone, which DNS server does the Expressway query for the SIP SRV records?

A. 10.20.20.20

B. 10.10.10.10

C. 10.40.40.40

D. 10.30.30.30

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Exam Code: 300-820
Exam Name: Implementing Cisco Collaboration Cloud and Edge Solutions (CLCEI)
Last Update: Mar 24, 2024
Questions: 135
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