300-820 Exam Question 21

Refer to the exhibit.

In an environment SIP devices are registered to CUCM and H.323 devices to VCS. What would be required to enable these calls to setup correctly?
  • 300-820 Exam Question 22

    For a Mobile and Remote Access deployment, which server's certificate must include the Unified registration domain as a Subject Alternate Name?
  • 300-820 Exam Question 23

    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?
  • 300-820 Exam Question 24

    Refer to the exhibit.

    When a Jabber user attempts to connect from outside of the organization, the user enters the login information as "[email protected]" and receives the error "Cannot find your services Automatically". The engineer tries to resolve SRV records used by Jabber.
    DNS A record "expressway-e.example.com" points to the Expressway-E IP and "cucm.example.com" points to the Cisco Unified Communications Manager.
    Which change resolves the DNS problem?
  • 300-820 Exam Question 25

    An organization has a domain name of example.com. Which two SRV records are valid for a SIP and H 323 communication? (Choose two)