Implementing Cisco Collaboration Cloud and Edge Solutions (300-820 CLCEI (300-820) - Cisco Actual Exam Questions
Last updated on April 15, 2026
When determining why Mobile and Remote Access to Cisco TelePresence equipment does not work anymore for an organization. There are several administrators and configuration changes could have happened without anyone knowing. Internal communication seems to be working, but no external system can register or call anywhere. Gathering symptoms, you also discover that no internal systems can call out either. What is TraversalZone missing that causes this issue?
link to the DefaultZone
pipe to the DefaultZone
SIP trunk to the DefaultZone
route pattern to the DefaultZone
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An external Jabber device cannot register. While troubleshooting this issue, the engineer discovers that privately signed certificates are being used on Expressway-C and Expressway-E What action will resolve this issue?
The private CA certificate must be placed in the phone trust store.
The Jabber client must register to the Cisco UCM internally before it will register externally.
The device running the Jabber client must use a VPN to register.
The device running the Jabber client must download and trust the private CA certificate.
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Which connection does the traversal zone configuration define?
Expressway-E and Collaboration Endpoints
Cisco UC and Cisco Unified Presence Server
Cisco Expressway-C and Cisco Expressway-E platforms
Cisco UCS E-Series and Cisco UCM
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What is the name of the Webex core service that delivers group messaging, one-to-one messaging, presence, and file sharing?
Cisco Webex Messaging
Cisco Webex App
Cisco Webex ONE
Cisco Jabber Online
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What is the result if force encryption for media is enabled in the Expressway on a zone that points to a system/endpoint that is not configured for encryption?
The call is dropped.
The call works with one end only sending encrypted media.
The call renegotiates for unencrypted media.
The call uses encryption if available, or it falls back to unencrypted media.
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