[Oct-2023] CCNP Collaboration 300-820 Exam Practice Dumps
2023 300-820 Premium Files Test pdf - Free Dumps Collection
To be eligible for this certification, candidates should have a solid knowledge of the basic concepts of IP networking and Cisco's routing and switching solutions. They should also have a fundamental understanding of Cisco Collaboration Cloud and Edge Solutions. As such, they can acquire the necessary skills and knowledge to manage, implement, and troubleshoot these solutions in different environments.
NEW QUESTION # 90
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?
- A. Disable SIP in the external zone.
- B. Change the domain of SIP endpoint A to cisco.com.
- C. Create a presearch transform.
- D. Change the interworking mode to On.
Answer: D
NEW QUESTION # 91
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. Remove the cisco-uds SRV record for the external DNS.
- B. Change cisco-uds to point to the Expressway-E FQDN.
- C. Change the priority of the SRV record for cisco-uds.
- D. Change the collab-edge record to point to 5061.
Answer: A
NEW QUESTION # 92
For a Mobile and Remote Access deployment, which server's certificate must include the Unified registration domain as a Subject Alternate Name?
- A. Expressway-C and Expressway-E server certificate
- B. Cisco Unified Communications Manager server certificate
- C. Expressway-C server certificate
- D. Expressway-E server certificate
Answer: D
Explanation:
Explanation
https://www.cisco.com/c/dam/en/us/td/docs/voice_ip_comm/expressway/config_guide/X8-7/Mobile-Remote-Ac
NEW QUESTION # 93
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. service discovery issues
- B. incorrect login credentials
- C. XMPP bind failures
- D. down Cisco Unified Communications Manager server
Answer: C
NEW QUESTION # 94
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. Webex CUSP Cluster Name
- C. Expressway-E 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 # 95
Refer to the exhibit.
A new neighbor zone is added for a new Cisco Meeting Server, but the zone is showing a SIP status of failed from the time the zone it was created. What should be done to resolve this issue?
- A. More bandwidth must be added to the appropriate pipes
- B. The underlying DNS issue must be resolved
- C. The search rule must be changed to continue on match
- D. The existing zone using ID 7 must be deleted
Answer: C
NEW QUESTION # 96
Refer to the exhibit.
What is the result of a transformation applied to alias 88514?
- A. [email protected]
- B. [email protected]
- C. [email protected]
- D. 88513@ccnpcollab com
Answer: C
NEW QUESTION # 97
Which mechanism does TLS use to validate identity?
- A. server certificate
- B. username and a password
- C. IP address of the peer
- D. shared secret
Answer: D
NEW QUESTION # 98
While troubleshooting a connectivity issue between Cisco Unified Communications Manager, Expressway-C, and Expressway-E, an engineer sees this output in the Expressway-E logs.
Event="Authentication Failed" Service="SIP" Src-ip="10.50.2.1" Src-port="25723" Detail="Incorrect authentication credential for user" Protocol "TLS" Method="OPTIONS" Level="1" What is the cause of this issue?
- A. The Expressway-C Traversal Client username/password do not match the Expressway-E Traversal Server username/password.
- B. The Expressway-C Traversal Zone username/password do not match the Expressway-E Traversal Client username/password.
- C. The Expressway-C Traversal Server username/password do not match the Expressway-E Traversal Zone username/password.
- D. The Expressway-C Traversal Zone username/password do not match the Expressway-E Traversal Zone username/password.
- E. The Expressway-C Traversal Server username/password do not match the Expressway-E Traversal Client username/password.
Answer: A
NEW QUESTION # 99
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. Cloud Node US-EAST
- B. Cloud Node US-WEST
- C. Both Cloud Node US-EAST and US-WEST
- D. Video Mesh Cluster-2
Answer: D
Explanation:
https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cloudCollaboration/wbxt/videomesh/cmgt_ b_webex-video-mesh-deployment-guide/cmgt_b_hybrid-media-deployment- guide_chapter_010.html
"Which cluster is used also depends on latency rather than just location. For example, a cloud cluster with lower STUN round-trip (SRT) delay than a Webex Video Mesh cluster may be a better candidate for the meeting. This logic prevents a user from landing on a geographically far cluster with a high SRT delay".
NEW QUESTION # 100
Cisco Collaboration endpoints are exchanging encrypted signaling messages. What is one complication in implementing NAT ALG for voice and video devices?
- A. The NAT ALG cannot inspect the contents of encrypted signaling messages.
- B. NAT ALG is not compatible with the H.323 signaling protocol.
- C. NAT ALG requires the use of NAT reflection, which may not be supported on all firewalls.
- D. NAT ALG introduces latency in the media path.
Answer: A
NEW QUESTION # 101
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. cisco.com on the Expressway-E certificate
- B. cisco.com on the Expressway-C certificate
- C. Securephone.cisco.com on the Expressway-C certificate
- D. Securephone.cisco.com on the Expressway-E certificate
- E. Securephone.cisco.com on the CallManager certificate
Answer: A,C
NEW QUESTION # 102
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 important to ensure security for the deployment and the connectivity.
What must be set up to enable this requirement?
- A. Cisco Expressway-C and Cisco Expressway-E
- B. Cisco Unified Border Element and Cisco ASA Firewall
- C. Cisco Expressway-C and Cisco Unified Border Element
- D. Cisco Unified Border Element and Cisco Firepower Firewall
Answer: A
NEW QUESTION # 103
What should be considered when using the Cisco Webex hybrid service?
- A. Expressway Connector is required for an on-premises Exchange server.
- B. Directory Connector is required for Azure AD.
- C. Directory Connector must be deployed for OBTP to work with on-premises video devices.
- D. Hybrid Message service works only with Jabber cloud deployment.
Answer: A
Explanation:
https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cloudCollaboration/spark/hybridservices/c alendarservice/cmgt_b_deploy-spark-hybrid-calendar-service/cmgt_b_deploy-spark-hybrid- calendar-service_chapter_011.html
NEW QUESTION # 104
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 _cisco-uds SRV record has been configured.
- B. Ensure that the SIP domains are added on Expressway Core.
- C. Ensure that the credential has been entered correctly.
- D. Ensure that the peer address does not match the Common Name on certificate.
Answer: C
NEW QUESTION # 105
Refer to the exhibit.
What is the result of a transformation applied to alias 88514?
- A. [email protected]
- B. [email protected]
- C. [email protected]
- D. 88513@ccnpcollab com
Answer: C
NEW QUESTION # 106
What is a benefit of Cisco Webex Messenger Cloud deployment?
- A. There is no additional cost to use a cloud deployment.
- B. Cloud deployment is more secure than an on-premises deployment.
- C. Cloud deployment is faster than using an on-premises deployment.
- D. Cloud deployment allows interoperability between Cisco Jabber and Webex Teams users.
Answer: D
Explanation:
Cisco Webex Messenger integrates with Cisco Unified Communications Manager and Cisco Webex Meeting Center to support click-to-call, phone control, voice, video, visual voicemail, and web collaboration. It allows you to communicate and collaborate effectively from anywhere you have an Internet connection.
NEW QUESTION # 107
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