Free Access Cisco.300-820.v2025-11-24.q165 Practice Test (Page 7)

Question 26

Refer to the exhibit.

The firewall has been configured from NAT 192.168.108.2 to 100.64.0.1. Which configuration changes are needed for an Expressway-E with dual network interfaces?
A)

A.Option B

B.Option A

C.Option C

D.Option D

Question 27

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

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

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

C.ICE 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.

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

Question 28

In Cisco Expressway, which information from an incoming search request does the pre-search transform configuration allow to be modified?

A.called address

B.calling party

C.CLID

D.Source IP address

Question 29

An engineer learns from an end user that calls from outside the company are not being received. Calls are being made to other businesses outside of the company on video using URL addresses. The change management log shows no changes in the configuration of the collaboration solutions. The engineer examines the endpoint, which seems to be registered to the Cisco UCM, and the SIP trunk between the Cisco UCM and sees that the Expressway is also up. In addition, the traversal link shows no errors between the Expressways. Which action must the engineer take to troubleshoot this issue?

A.On the Expressway-C, run a network log under administrative tools to see if any requests reach the system.

B.On the Expressway-E, run diagnostic logging under maintenance to see if any requests reach the system.

C.On the Cisco UCM, run the Real-Time Monitoring Tool to see if any incoming calls fail.

D.On the Expressway-E, check the NTP settings to ensure that TLS will be able to terminate. If the clock is out of sync, incoming calls from other working systems would work bur not outgoing calls from the company.

Question 30

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?

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"

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Question 26

Question 27

Question 28

Question 29

Question 30

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