Free Access Cisco.300-820.v2025-11-24.q165 Practice Test (Page 25)

Question 116

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

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

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

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

Question 117

Refer to the exhibit.

An Expressway-C and Expressway-E are configured for B2B calling and the Expressway- E zone is set to TLS Verify Currently, calls do not reach the Expressway-C. The Traversal Client zone on the Expressway-C for B2B reports the information in the exhibit for the Peer 1 address.
Which action resolves this error?

A.Configure the Expressway-C Traversal Client zone transport protocol with TCP.

B.Add an intermediate certificate to the Expressway-C that is signed by a certificate authority.

C.Add a server certificate to the Expressway-C that is signed by a certificate authority.

D.Configure the Expressway-C Traversal Client zone Peer 1 address with the fully qualified domain name of the Expressway-E.

Question 118

An organization wants to be able to call IP addresses and URI addresses. An engineer must configure Cisco Expressways to manage this request from the endpoints in the organization. How would the engineer configure the Expressways to allow these calls to be completed to external IP addresses?

A.Set calls to unknown IP addresses to direct on the Cisco Expressways, and add a search rule on the Expressway-E

B.Set calls to unknown IP addresses to indirect on the Cisco Expressways, and add a search rule on the Expressway-E

C.Use search rules to manage calls to IP addresses, and the direct/indirect setting on the Expressway is used as a fallback only if the search rules do not exist

D.Set calls to unknown IP addresses to indirect on the Expressway-C and direct on the Expressway-E, and add a search rule on the Expressway-E

Question 119

Which DNS record and port combination must be resolved externally for Mobile and Remote Access to be used?

A._collab-edge on port 5061

B._collab-edge on port 8443

C._cisco-uds-edge on port 5061

D._cisco-uds on port 8443

Question 120

When deploying an Expressway Core and Expressway Edge cluster for mobile and remote access, which TLS verity subject name must be configured on the Expressway-E UC traversal zone?

A.Webex CUSP Cluster Name

B.Cisco Unified Communications Manager Publisher FQDN

C.Expressway-C Cluster Name

D.Expressway-E Cluster Name

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Question 116

Question 117

Question 118

Question 119

Question 120

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