Cisco 300-820 Free Practice Questions

NEW QUESTION 1
Refer to the exhibit. What is the result of a transformation applied to alias 88514?

• A. 98851@ccnpcollab.com
• B. 88513@ccnpcollab com
• C. 88514@ccnpcollab.com
• D. 88515@ccnpcollab.com

Answer: A

NEW QUESTION 2
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) Connection refused"
Which is the cause of this issue?

• A. Rich Media Session licenses are not activated on Expressway-E.
• B. Expressway-E is listening on the wrong IP interface.
• C. The destination port for Expressway-E is set to 7400 instead of 8443 on the Expressway-C.
• D. The XCP Service is not activated on Expressway-E.

Answer: B

NEW QUESTION 3

Refer to the exhibit. If the Webex Teams device cannot connect to Video Mesh Cluster-1 because it is busy, which media node does the Webex Teams device connect to next?

• A. Both Cloud Node US-EAST and US-WEST
• B. Video Mesh Cluster-2
• C. Cloud Node US-EAST
• D. Cloud Node US-WEST

Answer: B

NEW QUESTION 4
In a Mobile and Remote Access deployment, where must communications be encrypted with TLS?

• A. Cisco Expressway-E and endpoints outside the enterprise
• B. Cisco Expressway-C, Cisco Unified Communications Manager, and IM&P
• C. Cisco Expressway-C, Cisco Expressway-E, and Cisco Unified Communications Manager
• D. Cisco Expressway-C, Cisco Expressway-E, and endpoints outside the enterprise

Answer: A

NEW QUESTION 5
Which zone is required between Expressway-E and Expressway-C in Mobile and Remote Access deployments?

• A. Unified Communications traversal zone
• B. neighbor zone
• C. DNS zone
• D. traversal zone

Answer: A

NEW QUESTION 6
Where are voice calls handled in a Cisco Jabber hybrid cloud-based deployment with Cisco Webex Platform Service?

• A. Voice calls use Webex Calling platform for call control and use hybrid media nodes for local conferencing.
• B. Voice calls use local media nodes to keep traffic internal for internal traffic and use Webex Calling for external calls.
• C. Voice call use Cisco Unified Communications Manager for local calls and Webex Calling for external calls.
• D. Voice calls use local Cisco Unified Communications Manager for all calls.

Answer: D

NEW QUESTION 7
Which media encryption mode can be configured on an Expressway zone?

• A. Advanced Encryption Standard
• B. IPsec
• C. Triple Data Encryption Standard
• D. force unencrypted

Answer: A

NEW QUESTION 8

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?

• A. Ensure that the peer address does not match the Common Name on certificate.
• B. Ensure that the _cisco-uds SRV record has been configured.
• C. Ensure that the credential has been entered correctly.
• D. Ensure that the SIP domains are added on Expressway Core.

Answer: C

NEW QUESTION 9
Which role does Call Policy play when preventing toll fraud on Expressways?

• A. It controls which calls are allowed, which calls are rejected, and which calls are redirected to a different destination.
• B. It changes the calling and called number on a call.
• C. It changes the audio protocol used by a call through Expressways.
• D. It changes the audio codec used in a call through Expressways.

Answer: A

NEW QUESTION 10
A Cisco Webex Hybrid Video Mesh Node can be installed in the DMZ and on the internal network.
Which statement is true?

• A. Webex Cloud supports either a DMZ-based Mesh Node for security or an internal-based Mesh Node for media control only.
• B. Installing a Video Mesh Node in the DMZ requires you to open TCP and UDP port 4444 in your internal firewall for full clustering functionality.
• C. Installing a Video Mesh Node in the DMZ requires the external firewall to allow UDP traffic from ANY port to the address of the Video Mesh Nodes via port 5004.
• D. Using internal Video Mesh Node also works due to Mobile and Remote Access setup for Webex Teams client
• E. A DMZ node is added for extra security.

Answer: C

NEW QUESTION 11
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 dial plan rules are applied in a certain order. When configuring the transform section, you must know the range of the priorities.
Which range is correct?

• A. any number in the drop-down menu
• B. any number in the dialog box
• C. any number between 1-128
• D. any number between 1-65534

Answer: D

NEW QUESTION 12
Refer to the exhibit. While troubleshooting Cisco Jabber login issues, there are some error messages. Why is the Jabber client unable to sign in?

• A. down Cisco Unified Communications Manager server
• B. XMPP bind failures
• C. incorrect login credentials
• D. service discovery issues

Answer: B

NEW QUESTION 13
Which service is available in a cloud-based deployment using Cisco Webex Messenger?

• A. Presence
• B. Phone services
• C. Voicemail
• D. Call forward services

Answer: A

NEW QUESTION 14
An organization with a domain name of example.com.
Which two SRV records are valid for a SIP and H.323 communication? (Choose two.)

• A. _sips._tcp.example.com
• B. _sips._udp.example.com
• C. _h323ls._udp.example com
• D. _h323ls._tcp.example.com
• E. _collab-edge._tls.example.com

Answer: AC

NEW QUESTION 15
Which configuration is required when implementing Mobile and Remote Access on Cisco Expressway?

• A. IPS
• B. SAML authentication
• C. Cisco Unified CM publisher address
• D. SSO

Answer: C

NEW QUESTION 16
Which part of a hybrid cloud-based deployment with Cisco Webex Messenger Service is used for meeting capabilities?

• A. Cisco Unified CM is always used for meeting capabilities.
• B. Depending on the media flow, the Webex Meeting Center or local Cisco Unified CM meeting resources are used for meeting capabilities.
• C. Depending on the origin of the user, the Webex Meeting Center or local Cisco Unified Communications Manager meeting resources are used for meeting capabilities.
• D. Cisco Webex Meeting Center is always used for meeting capabilities.

Answer: A

NEW QUESTION 17
Which step is taken when configuring a Cisco Expressway solution?

• A. Configure the Expressway-E by using a non-traversal server zone.
• B. Enable static NAT on the Expressway-E only.
• C. Disable H.323 mode on the Expressway-E.
• D. Enable H.323 H.460.19 demultiplexing mode on the Expressway-C.

Answer: B

NEW QUESTION 18
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 this deployment model?

• A. Transparent Explicit Proxy
• B. Transparent Inspecting Proxy
• C. Reverse Proxy
• D. Distorting Proxy

Answer: B

NEW QUESTION 19
Which two statements about Expressway media traversal are true? (Choose two.)

• A. Expressway Control is the traversal server installed in the DMZ.
• B. The Expressway Edge must be put in a firewall DMZ segment.
• C. Cisco Unified Communications Manager zone can be either traversal server or client.
• D. The Unified Communications traversal zone can be used for Mobile and Remote Access.
• E. Both Expressway Edge interfaces can be NATed.

Answer: BD

NEW QUESTION 20
What it is the purpose of using ICE for Mobile and Remote Access endpoints in the Cisco Collaboration infrastructure?

• A. ICE controls the bandwidth usage for Cisco Collaboration endpoints if the endpoints are located outside the company network.
• B. ICE enables Cisco Collaboration endpoints to determine if there is direct connectivity between them.
• C. ICE uses FAST updates to optimize the video quality in case of packet los
• D. This technology is available only from Cisco Unified CM version 11.5 and later.
• E. ICE enablement allows for the Cisco Collaboration endpoint to register through Expressway servers to Cisco Unified Communications Manager behind a firewall.

Answer: B

NEW QUESTION 21
Which step is required when configuring cloud and hybrid deployments for Cisco Jabber?

• A. Add the Jabber user to Cisco Unity Connection.
• B. Add the Jabber user to Expressway-E.
• C. Add the Jabber user to Expressway-C.
• D. Add Jabber Users to the Cisco Webex Administration Tool.

Answer: D

NEW QUESTION 22
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