[2024]  300-820 by CCNP Collaboration Actual Free Exam Practice Test

Free CCNP Collaboration 300-820 Exam Question

Cisco WebEx Technologies – 25%

This last section revolves around the abilities of the test takers that are as follows:

• Describing the signaling as well as media flows utilized within a Cisco WebEx Video Mesh deployment;
• Configuring WebEx Hybrid Services/Connector (including Calendar Service, such as Microsoft Exchange, Office 365, One Button to Push; Message Service; Directory Services; Video Mesh);
• Describing Cisco Jabber for Cloud as well as Hybrid deployments using Cisco WebEx Messenger.

It is important to mention that Cisco can add other topics to the exam syllabus without prior notice. The above-mentioned domains are just the general guidelines for the learners.

Cisco 300-820 exam covers a wide range of topics related to Cisco Collaboration Cloud and Edge Solutions. These topics include Cisco Unified Communications Manager (CUCM), Cisco Expressway, Cisco Webex Teams, Cisco Webex Meetings, and Cisco Webex Hybrid Services. 300-820 exam also covers the integration of different Cisco Collaboration Cloud and Edge Solutions and their interoperability with other systems.

 

NEW QUESTION # 23
Which two options should be used to create a secure traversal zone between the Expressway-C and Expressway-E? (Choose two.)

• A. One Cisco Unified Communications traversal zone for H.323 and SIP connections.
• B. Enable username and password authentication verification on Expressway-E.
• C. Expressway-C and Expressway-E must trust each other's server certificate.
• D. A separate pair of traversal zones must be configured if an H.323 connection is required and Interworking is disabled.
• E. Create a set of username and password on each of the Expressway-C and Expressway-E to authenticate the neighboring peer.

Answer: C,D

NEW QUESTION # 24
A Cisco Webex Hybrid Video Mesh Node can be installed in the DMZ and on the internal network.
Which statement is true?

• A. 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.
• B. Webex Cloud supports either a DMZ-based Mesh Node for security or an internal-based Mesh Node for media control only.
• C. Using internal Video Mesh Node also works due to Mobile and Remote Access setup for Webex Teams clients. A DMZ node is added for extra security.
• D. 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.

Answer: D

Explanation:
Explanation
https://www.cisco.com/c/en/us/td/docs/solutions/CVD/Collaboration/hybrid/12x/hybcvd/hms.html

NEW QUESTION # 25
Which DNS record and port combination must be resolved externally for Mobile and Remote Access to be used?

• A. _collab-edge on port 5061
• B. _cisco-uds-edge on port 5061
• C. _cisco-uds on port 8443
• D. _collab-edge on port 8443

Answer: D

Explanation:
Explanation
https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/expressway/config_guide/X12-5/exwy_b_mra-expressw

NEW QUESTION # 26
A video device registered with Cisco UCM failed to make an outbound B2B call. From Expressway-C diagnostic logs, an engineer found that the destination pattern is
"[email protected]:5061", and the call was dropped with a 404 response code from Expressway-C. The search rule intended for this call-in Expressway-C is configured for Alias Pattern Match, Pattern type "Suffix," and Pattern "example.com". How must the configuration be changed to allow the call?

• A. Update the call policy list in Expressway-C to allow calls to "example.com".
• B. Create a transform on Expressway-C to strip port numbers.
• C. Update the route pattern in Cisco UCM to send calls to "example.com" to the correct port.
• D. Create a call policy rule on Expressway-E to allow calls to port 5061.

Answer: B

NEW QUESTION # 27
A MRA deployment is being configured where one of the requirements is for registered Jabber users to pull directory photos from an internal server. What should be configured on the Expressway-C so that MRA registered clients reach this server?

• A. The directory photo server FQDN must be added to the Expressway-C certificate.
• B. A neighbor zone must be created to the directory photo server.
• C. The directory photo server must be added to the HTTP allow list.
• D. A search rule must be created to route the requests to Cisco UCM.

Answer: C

NEW QUESTION # 28
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?

• A. Cisco Unified Communications Manager Publisher FQDN
• B. Expressway-E Cluster Name
• C. Webex CUSP Cluster Name
• D. Expressway-C Cluster Name

Answer: D

Explanation:
Explanation
https://community.cisco.com/t5/telepresence-and-video/quot-peer-s-tls-certificate-identity-was-unacceptable-quo

NEW QUESTION # 29
An administrator is enabling Mobile and Remote Access login for the Cisco UCM registration domain cisco.com. Phones are registered with a Cisco UCM phone security profile name of securephone.cisco.com. Which two subject alternative names must be configured? (Choose two.)

• A. Securephone.cisco.com on the Expressway-C certificate
• B. cisco.com on the Expressway-C certificate
• C. cisco.com on the Expressway-E certificate
• D. Securephone.cisco.com on the CallManager certificate
• E. Securephone.cisco.com on the Expressway-E certificate

Answer: A,C

NEW QUESTION # 30
Which mode should be used when Call Policy is configured on Expressways?

• A. on
• B. local CPL, policy service, and off
• C. remote CPL
• D. extended CPL

Answer: B

NEW QUESTION # 31
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. The XCP Service is 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. Rich Media Session licenses are not activated on Expressway-E.

Answer: B

NEW QUESTION # 32
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 "Cannot find your services Automatically". The engineer tries to resolve SRV records used by Jabber.
DNS A record "expressway-e.example.com" points to the Expressway-E IP and "cucm.example.com" points to the Cisco Unified Communications Manager.
Which change resolves the DNS problem?

• A. Change the collab-edge record to point to 5061.
• B. Change the priority of the SRV record for cisco-uds.
• C. Change cisco-uds to point to the Expressway-E FQDN.
• D. Remove the cisco-uds SRV record for the external DNS.

Answer: D

NEW QUESTION # 33
Which two statements about Expressway media traversal are true? (Choose two.)

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

Answer: C,E

Explanation:
Explanation
https://www.cisco.com/c/dam/en/us/td/docs/voice_ip_comm/expressway/config_guide/X8-10/Cisco-Expressway

NEW QUESTION # 34
Which service is available in a cloud-based deployment using Cisco Webex Messenger?

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

Answer: B

Explanation:
Explanation
https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cloudCollaboration/spark/hybridservices/messageservice

NEW QUESTION # 35
What is one of the user-related prerequisites for Jabber Team Messaging Mode Installation?

• A. Create user accounts in Cisco Unified Communications Manager only.
• B. Create user accounts in Cisco Webex Control Hub only.
• C. Create user accounts in Cisco Unified IM and Presence.
• D. Create user accounts in Cisco Unified CM and Cisco Webex Control Hub.

Answer: B

NEW QUESTION # 36
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. XMPP bind failures
• B. service discovery issues
• C. down Cisco Unified Communications Manager server
• D. incorrect login credentials

Answer: A

NEW QUESTION # 37
Refer to the exhibit.

When configuring a search rule that routes calls to a zone, what occurs when 13358 is dialed?

• A. 13358 is sent directly to the traversal zone.
• B. 13358 is replaced by 135, and then is sent to the local zone.
• C. 13358 is replaced by 135 and remains in the same zone.
• D. 13358 is replaced by 135, and then is sent to the traversal zone.

Answer: A

NEW QUESTION # 38
An administrator must configure the DNS SRV records for Mobile and Remote Access for a company with the domain example.com, the Expressway-E FQDN is ExpE.example.com, and the Expressway-C FQDN is Exp-C.example.com. What must the administrator configure to allow external clients to discover the Expressway-E server?

• A. SRV record _cisco-uds._tcp.example.com that resolves to ExpC.example.com on port 8443
• B. SRV record _cisco-uds._tcp.example.com that resolves to ExpE.example.com on port 5061
• C. SRV record _collab-edge._tls.example.com that resolves ta ExpE.example.com on port 5061
• D. SRV record _collab-edge._tls.example.com that resolves to ExpE.example.com on port 8443

Answer: D

Explanation:
To allow external clients to discover the Expressway-E server, the administrator must configure the SRV record _collab-edge._tls.example.com that resolves to ExpE.example.com on port 8443.
This SRV record is used for Mobile and Remote Access to allow external clients to connect securely to the Expressway-E server. The _collab-edge._tls prefix is used to identify the service as a "collaboration edge" service and the .example.com suffix is the domain name for the organization. Port 8443 is the default port used for secure HTTPS connections to the Expressway-E server.

NEW QUESTION # 39
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 uses FAST updates to optimize the video quality in case of packet loss. This technology is available only from Cisco Unified CM version 11.5 and later.
• C. ICE enables Cisco Collaboration endpoints to determine if there is direct connectivity between them.
• D. ICE enablement allows for the Cisco Collaboration endpoint to register through Expressway servers to Cisco Unified Communications Manager behind a firewall.

Answer: C

Explanation:
https://www.cisco.com/c/en/us/td/docs/solutions/PA/ICE/icepa125.html

NEW QUESTION # 40
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