300-820 Exam Dumps : Implementing Cisco Collaboration Cloud and Edge Solutions (300-820 CLCEI)

What is the name of the Webex core service that delivers group messaging, one-to-one messaging, presence, and file sharing?

Refer to the exhibit.

Mobile Cisco Jabber cannot register with on-premises Cisco Unified Communications Manager using Mobile and Remote Access. Some logs were captured on Expressway Edge.

Which action corrects this problem?

Refer to the exhibit.

When a Jabber user attempts to connect from outside of the organization, the user enters the login information as "user@example.com" 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?