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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.
Cisco 300-820 exam is intended for professionals who want to enhance their career prospects in the field of Cisco Collaboration Cloud and Edge Solutions. Implementing Cisco Collaboration Cloud and Edge Solutions certification is particularly beneficial for network engineers, system administrators, solution architects, and technical support personnel. Implementing Cisco Collaboration Cloud and Edge Solutions certification not only validates the candidate's knowledge and skills but also provides them with a competitive edge in the job market.
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Cisco Implementing Cisco Collaboration Cloud and Edge Solutions Sample Questions (Q21-Q26):
NEW QUESTION # 21
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. down Cisco Unified Communications Manager server
- C. XMPP bind failures
- D. incorrect login credentials
Answer: C
Explanation:
https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/expressway/config_guide/X12-
7/exwy_b_mra-deployment/exwy_m_mra-troubleshooting.pdf
NEW QUESTION # 22
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 ExpE.example.com on port 5061
- B. SRV record _cisco-uds._tcp.example.com that resolves to ExpC.example.com on port 8443
- 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:
For Mobile and Remote Access (MRA), external clients use the _collab-edge._tls SRV record to discover the Expressway-E server. This SRV record must point to the Expressway-E FQDN and use port 8443, which is the default secure HTTPS port used for MRA traffic over TLS.
NEW QUESTION # 23
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. down Cisco Unified Communications Manager server
- C. XMPP bind failures
- D. incorrect login credentials
Answer: C
NEW QUESTION # 24
With QoS enabled, which two statements about the Cisco Webex Video Mesh Node signaling and media traffic are true? (Choose two.)
- A. From VMN to Webex cloud, the destination UDP port 9000 is used for video traffic.
- B. From Webex cloud to VMN, the source UDP port 9000 is used for audio traffic.
- C. From VMN to CUCM SIP endpoints, the source UDP ports from 52500 to 62999 is used for audio traffic.
- D. From VMN to video endpoints, the destination UDP port 5004 is used for audio traffic.
- E. From VMN to Webex Teams clients, the source UDP port 5004 is used for video traffic.
Answer: C,E
NEW QUESTION # 25
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. 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 # 26
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