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2025 Useful Cisco Exam Sample 300-820 Online

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Cisco 300-820 exam, also known as Implementing Cisco Collaboration Cloud and Edge Solutions, is a certification exam designed to test the knowledge and skills of IT professionals in deploying and managing Cisco collaboration cloud and edge solutions. 300-820 Exam is designed for individuals who are looking to advance their career in collaboration technologies and want to demonstrate their expertise in designing, deploying, and managing Cisco collaboration solutions.

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Cisco Implementing Cisco Collaboration Cloud and Edge Solutions Sample Questions (Q43-Q48):

NEW QUESTION # 43
Refer to the exhibit.

When a Jabber user attempts to connect from outside of the organization, the user enters the login information as "user@example.com" 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 priority of the SRV record for cisco-uds.
B. Change cisco-uds to point to the Expressway-E FQDN.
C. Remove the cisco-uds SRV record for the external DNS.
D. Change the collab-edge record to point to 5061.

Answer: C

NEW QUESTION # 44
What it is the purpose of using ICE for Mobile and Remote Access endpoints in the Cisco Collaboration infrastructure?

A. ICE enablement allows for the Cisco Collaboration endpoint to register through Expressway servers to Cisco Unified Communications Manager behind a firewall.
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 loss. This technology is available only from Cisco Unified CM version 11.5 and later.
D. ICE controls the bandwidth usage for Cisco Collaboration endpoints if the endpoints are located outside the company network.

Answer: B

NEW QUESTION # 45
How do the Cisco Expressway-C and Expressway-E servers transmit media to each other?

A. RTP and RTCP are multiplexed for all internal and external video endpoints across the traversal link using UDP.
B. RTP and RTCP are multiplexed for all internal and external video endpoints across the traversal link using TLS.
C. When the Expressway-C receives RTP and RTCP media, it establishes a new UDP socket with the Expressway-E.
D. When the Expressway-E receives RTP and RTCP media, it establishes a new UDP socket with the Expressway-C.

Answer: C

NEW QUESTION # 46
An engineer is deploying an Expressway solution for the SIP domain Cisco.com.
Which SRV record should be configured in the public DNS to support inbound B2B calls?

A. _collab-edge._tls.cisco.com
B. _sip._tcp.cisco.com
C. _cuplogin._tcp.cisco.com
D. _cisco-uds._tcp.cisco.com

Answer: B

NEW QUESTION # 47
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 cluster is hosting the meeting and has reached full capacity, but other nodes in the cluster still have spare capacity.
What happens to the participant's call?

A. Another node in the cluster is used and an intra-cluster cascade between Webex and the new Video Mesh node is formed.
B. The call is queued.
C. The call fails.
D. Another node in the cluster is used and an intra-cluster cascade between the two Video Mesh nodes is formed.

Answer: A

NEW QUESTION # 48
......

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