Free Cisco 300-820 Exam Questions

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

An administrator is configuring DNS to allow Mobile and Remote Access logins for the domain cisco.com. Where must the _collab-edge_tls.cisco.com DNS SRV record be configured?

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? 

An engineer is configuring the Expressway cluster to allow Jabber clients that are outside the enterprise network to register, make calls, and send instant messages using the internal Cisco UCM. Which action must be taken before a secure UC traversal zone is added to the Expressway-C?

Refer to the exhibit. When users sign in to Cisco Jabber through Mobile and Remote Access, they cannot see their own photo or the photo of their contacts next to each name. Which action must be taken in Cisco Expressway-C to resolve the issue?