300-820 Practice Questions

Cisco Expressway is often deployed in which of the following configurations?

When is it recommended to back up Cisco Expressway data and configuration?

For TLS encryption to work between a client and a server, which of the following conditions must be met?

A Pipe is a bandwidth restriction that is applied to what?

The collaboration administrator is getting the following error: No Voicemail Service ?03 Forbidden? What might be the cause?

Which of the following does WebEx support?

To enable Hybrid Message Service, you must link Message Connector to your IM and Presence Service cluster by entering server information for which node?

How many SRV records would need to be created when both SIP and H.323 are being used?

Refer to the exhibit. The neighbor zone to Cisco UCM fails to come up when TLS verify mode is enabled on the Expressway-C for B2B traffic. Which Issue correctly describes the cause...

Refer to the exhibit. A collaboration engineer creates a transform to modify 4123@exp- name.exp.domain:<port> to [email protected]. Which pattern behavior setting accomplishes this t...

Users in the Cisco Webex collaboration environment want to be able to use @webex when scheduling a Webex meeting from their Outlook client connected to Office365. Which configurati...

Which option changes the addresses and ports in voice and video signaling messages?

Which set of actions configures ACME certificates on Expressways?

Refer to the exhibit. An administrator set up a B2B interop with a business partner running a Microsoft Lync environment and can successfully make outbound video calls to Jane.doe@...

What is the benefit of configuring ICE, TURN and STUN in a Cisco Unified Collaboration environment?

A company identifies a fraudulent toil situation. An engineer reviews the Cisco UCM call detail records and discovers that fraudulent calls originate from a Cisco Expressway-C serv...

A company decided to gradually move to the Cisco Webex Cloud from a Cisco on-premises solution. One step is to configure a Cisco Hybrid Services connector. Where must an engineer m...

Employees at company A must call employees at company B in an extension range of [email protected]. Both companies have a Cisco collaboration infrastructure. All required zones are...

An engineer noticed that internal participants using Full HD endpoints are joining meetings hosted in the Video Mesh node. The quality of the calls is 720p. What must the engineer...

Which dial plan element connects subzones with other subzones and zones?

When configuring Cisco Expressway, an engineer wants to streamline the dial plan rules by using the same rules for incoming calls from different domains and have them be processed...

An engineer configures the search rules on the Cisco Expressway and must configure routing, which enables call routing to the IP addresses of the unregistered devices in the intern...

After an engineer implements load balancing in the Cisco CMS cluster, they observe that shortly after the second Call Bridge is added to the cluster, call into a space randomly dis...

Where is encryption enabled in a Cisco collaboration environment for dedicated hardware-based video endpoint calls?

A company is setting up on-premises video collaboration systems with on-premises call control using Cisco Expressways. It is important to control the quality of service for a call...

Which statement correctly describes links and pipes in Cisco Expressway?

Which requirement must be met to run IPv4 and IPv6 on the same Expressway traversal pair?

A Cisco UCM traversal zone connection fails between Cisco Expressway-C and Expressway-E. Configuration of the zones on both Expressway servers is verified as successful. What are t...

What is a consideration when performing a successful Cisco Expressway restore from a backup?

A company has a Cisco Collaboration Solution with a Cisco UCM for internal and external voice services and Cisco Expressways for video endpoint registration and B2B communications....

Refer to the exhibit. A Cisco UCM cluster in mixed mode is integrated with Cisco Expressway-C for Mobile and Remote Access endpoint registration. TLS verify mode is enabled and sel...

Refer to exhibit. An administrator is troubleshooting failures with Jabber logins over Mobile and Remote Access. The Cisco UCM server added to the Expressway-C is not configured to...

Which method is used to send the incoming call request to the client when the traversal server receives an incoming call for the traversal client?

What is a capability of Interactive Connectivity Establishment passthrough in Cisco Expressway?

Which device enables microservices to facilitate hybrid services integration in Webex?

Which Webex security measure prevents users of an organization from being created in another organization?