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300-820 Exam Dumps : Implementing Cisco Collaboration Hybrid and Cloud Technologies

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Implementing Cisco Collaboration Hybrid and Cloud Technologies Questions and Answers

Question 1

An engineer must fix broken SSH tunnels between Expressway-C (192.168.10.5) and Expressway-E (192.168.20.5). The engineer is advised that the packet capture shows the required packets for the SSH tunnels leaving the Expressway-C but not reaching the Expressway-E. Which firewall configuration must the engineer allow to resolve this issue?

Options:

A.

port 2222 from Expressway-E to Expressway-C

B.

port 7001 from Expressway-C to Expressway-E

C.

port 7001 from Expressway-E to Expressway-C

D.

port 2222 from Expressway-C to Expressway-E

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Question 2

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 3

Refer to the exhibit. An engineer is configuring Cisco Expressway-C to discover Cisco UCM by using an IP address and a TCP connection. After the configuration is saved, errors occur.

Which two changes must be made to resolve the errors? (Choose two.)

Options:

A.

Configure an application user with Cisco Computer Telephony Integration-enabled privileges in Cisco UCM.

B.

Configure an application user with Administrative XML privileges in Cisco UCM.

C.

Upload a valid Cisco Tomcat certificate from the Cisco UCM to Expressway-C.

D.

Set TLS verify mode to Off.

E.

Configure an HTTP allow list that contains the Cisco UCM