Free Access Cisco.300-820.v2022-04-04.q71 Practice Test (Page 9)

Question 36

Refer to the exhibit.

Mobile Cisco Jabber cannot register with on-premises Cisco Unified Communications Manager using Mobile and Remote Access. Some logs were captured on Expressway Edge.
Which action corrects this problem?

A.Ensure that the _cisco-uds SRV record has been configured.

B.Ensure that the SIP domains are added on Expressway Core.

C.Ensure that the credential has been entered correctly.

D.Ensure that the peer address does not match the Common Name on certificate.

Question 37

What happens to the encrypted signaling traffic of a collaboration device if you place it inside a firewall with private IP addresses and try to make a call over IP without any collaboration infrastructure?

A.Encrypted IP traffic for collaboration devices always is trusted by the firewall.

B.The signaling makes it back to the endpoint because the endpoint sent the private address to the external endpoint.

C.The signaling does not make it back to the endpoint because the firewall cannot inspect encrypted traffic.

D.The signaling makes it back to the endpoint because the firewall is an application layer gateway and provides address translation.

Question 38

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

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

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

C.Both Expressway Edge interfaces can be NATed.

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

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

Question 39

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 underlying DNS issue must be resolved

C.More bandwidth must be added to the appropriate pipes

D.The existing zone using ID 7 must be deleted

Question 40

Refer to the exhibit. Logins and failing via mobile and remote access. How is this resolved?

A.Mobile and remote access login has not been enabled for the domain configured in the Expressway-C. The domain must be edited to allow Cisco UCM registrations.

B.Although a traversal client zone exists, there is no Unified Communications traversal client zone. One must be created.

C.SIP is disabled on the Expressway-E. The SIP protocol must be enabled on the server.

D.No Cisco UCM servers are configured in the Expressway-C. Servers must be added for CallManager and IM and Presence services.

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Question 36

Question 37

Question 38

Question 39

Question 40

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