Online Access Free 300-820 Practice Test

Which type of interface is required when the Cisco Expressway-E is located in a DMZ between two separate firewalls on separate network segments?

• A.single network interface
• B.command line interface
• C.dual network interface
• D.application programming interface

Which statement correctly describes links and pipes in Cisco Expressway?

• A.The lower bandwidth restriction is applied to calls over a link that is associated to two pipes.
• B.A maximum of one pipe can be applied to a link.
• C.A call between two endpoints in the same subzone or zone fails if there is no pipe between the endpoints.
• D.A call between two endpoints in the same subzone or zone fails if there is no link between the endpoints.

What is a description of an Interactive Connectivity Establishment?

• A.It allows calling external endpoints with reduced overhead under VPN connections.
• B.It is used to find the best media path between network elements in traversal calls.
• C.It is used by B2BUA to keep the firewall ports opened for inbound/outbound calls.
• D.It allows Mobile and Remote Access endpoints to connect video calls signaling peer-to-peer.

Refer to the exhibit.

Refer to the exhibit. An engineer must configure a B2B traversal zone. Trusted certification authority and server certificates are uploaded to Cisco Expressway-C and Expressway-E servers. After the traversal zone configuration is completed in Expressway-C, the error message in the exhibit appears. What are the two reasons for the error? (Choose two.)

• A.The communication port is not set to 7001.
• B.The peer 1 address in Expressway-C is not the FADN of Expressway-E.
• C.The FQDN of Expressway-E cannot be resolved by the DNS server.
• D.The peer 1 address in Expressway-C must be replaced by the FQDN of Expressway-C.
• E.The traversal zone TLS verify subject name in Expressway-E does not match the FQDN of Expressway-C.

Which user management method uses the Webex Directory Connector to add and synchronize users to the Control Hub organization?

• A.Synchronize from "Add using People API'.
• B.Synchronize from Okta.
• C.Synchronize from Active Directory.
• D.Synchronize from Azure AD.