300-820 Exam Questions

Which two statements about Mobile and Remote Access certificate are true? (Choose two.)

In a Mobile and Remote Access deployment, where must communications be encrypted with TLS?

What is the Cisco-recommended key length in bits for a Cisco Expressway certificate?

A company has enabled ICE to optimize call flows and improve video quality between their Cisco Collaboration endpoints internally and externally. For which reason would you see act...

Where are voice calls handled in a Cisco Jabber hybrid cloud-based deployment with Cisco Webex Platform Service?

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?

Refer to the exhibit. Which two numbers match the regular expression? (Choose two.)

Which step is required when configuring cloud and hybrid deployments for Cisco Jabber?

Which two licenses are required for the B2B feature to work? (Choose two.)

An Expressway-E is configured using a single NIC with NAT. How must the Expressway-C traversal client zone be configured to connect to the Expressway- E?

Refer to the exhibit. An ISDN gateway is registered to Expressway-C with a prefix of 9 and/or it has a neighbor zone specified that routes calls starting with a 9. Which value shou...

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...

Refer to the exhibit. Cisco Unified Communications Manager routes the call via the Webex Meetings route list and route group to the Video Mesh cluster Node#1 in the Video Mesh clus...

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 "C...

An organization wants to enable a Cisco Webex connector to synchronize all employees automatically with Cisco Webex instead of using a manual list. Where is the Webex Hybrid Direct...

Which role does Call Policy play when preventing toll fraud on Expressways?

An administrator has been asked to configure Video Mesh signaling traffic to route through a proxy. Which is an available proxy type in the Video Mesh node configuration to support...

What is one of the user-related prerequisites for Jabber Team Messaging Mode Installation?

What happens to the encrypted signaling traffic of a collaboration device if you place it inside a firewall with private IP addresses and try to make a call over IP without any col...

Which entry in the public (external) DNS is valid to configure DNS SRV records for a Cisco Mobile and Remote Access solution?

Which statement about scheduling Expressway backups is true?

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....

With QoS enabled, which two statements about the Cisco Webex Video Mesh Node signaling and media traffic are true? (Choose two.)

Which configuration does Cisco recommend for the peer address on the Expressway-C secure traversal zone when the Expressway-E has one NIC enabled?

Which situation requires TCP port 443 to be open for packets that are sourced from the Internet with a destination in the corporate DMZ?

Jabber cannot log in via Mobile and Remote Access. You inspect Expressway-C logs and see this error message: XCP_JABBERD Detail="Unable to connect to host '%IP%', port 7400:(111) C...

Refer to the exhibit. While troubleshooting Cisco Jabber login issues, there are some error messages. Why is the Jabber client unable to sign in?

What it is the purpose of using ICE for Mobile and Remote Access endpoints in the Cisco Collaboration infrastructure?

A company already has a Cisco Unified Communications Manager for internal audio and video traffic, but it requires video communication with external partners and customers. It is i...

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

When an Expressway-E is configured for static NAT, which Session Description Protocol attribute is modified to reflect the NAT address?

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 Expresswa...

Which two statements about Expressway media traversal are true? (Choose two.)

Which two statements about configuring mobile and remote access on Cisco TelePresence Video Communication Server Expressway are true? (Choose two.)

Refer to the exhibit. You have Cisco Expressway using SIP for external calls. SIP Nat/Alg is configured on the edge firewall. The call fails with one way audio. Which problem with...

Which zone is required between Expressway-E and Expressway-C in Mobile and Remote Access deployments?

Refer to the exhibit. What is the result of a transformation applied to alias 88514?

Which part of a hybrid cloud-based deployment with Cisco Webex Messenger Service is used for meeting capabilities?

For a Mobile and Remote Access deployment, which server's certificate must include the Unified registration domain as a Subject Alternate Name?

Which step is required when configuring Cisco Webex Hybrid Message Service?

When configuring a Cisco Expressway solution and need to design the dial plan with various rules for URIs and numbers coming through the device. To do so, it is important that some...

Which zone is required on a B2B deployment between Expressway-C and Expressway-E?

Which two options should be used to create a secure traversal zone between the Expressway-C and Expressway-E? (Choose two.)

Which two statements about Zones on Cisco Expressways are correct? (Choose two.)

Which mode should be used when Call Policy is configured on Expressways?

Which service is available in a cloud-based deployment using Cisco Webex Messenger?

Which describes what could done on the Expressway-E to successfully route calls from Expressway-C on the internal network to the Internet?

When designing the call control on a Cisco Expressway Core, which is the sequence of dial plan functions?

What should be considered when using the Cisco Webex hybrid service?

A company is installing Cisco Collaboration infrastructure and one of the requirements is that they must be able to communicate with many external parties that are using H.323 and...