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Free 300-820 Questions Attempt

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Total 207 questions

Implementing Cisco Collaboration Cloud and Edge Solutions (300-820 CLCEI) Questions and Answers

Question 21

An Expressway pairs deployed for Mobile and Remote Access. An administrator installs a new server certificate on the Expressway-E. After installing the new certificate, the UC Traversal zone between Expressway-C and Expressway-E is active. Still, Jabber Mobile and Remote Access clients cannot log in over the Expressway. The certificate Common Name is the FQDN of Expressway-E, “expe01 example.com”, and the certificate contains no additional names. Which Subject Alternate Name must be added to the certificate to allow Jabber Mobile and Remote Access clients to log in successfully?

Options:

A.

FQDN of the Expressway-C, “expc01.example.local”

B.

registration domain, “example.com” or “collab-edge.example.com”

C.

Cisco UCM cluster FQDN, “cucmcluster.example.local”

D.

FQDN of the Expressway-E, “expe01.example.com”

Question 22

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?

Options:

A.

The listening port on the Expressway-C for SIP TCP must be changed to a value other than 5060

B.

The listening port on the Expressway-C for SIP TLS must be changed to a value other than 5061

C.

The listening port on the Cisco UCM for the Expressway-C SIP trunk must be changed to something other than 5060 or 5061

D.

The listening port on the Cisco UCM for the Expressway-C SIP trunk is set to something other than 5060 or 5061. It must be set to 5060 for insecure and 5061 for secure SIP

Question 23

Which describes what could do on the Expressway-E to successfully route calls from Expressway-C on the internal network to the Internet?

Options:

A.

Application layer gateway could be enabled to bridge the media traffic.

B.

A static NAT route could be added to the firewall to bridge the two networks.

C.

The Expressway-E could be enabled for Dual-NIC capability.

D.

The Expressway-E could be enabled for interworking.

Question 24

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?

Options:

A.

link to the DefaultZone

B.

pipe to the DefaultZone

C.

SIP trunk to the DefaultZone

D.

route pattern to the DefaultZone

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Total 207 questions