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Cisco 300-820 Exam Certification Details:

The Cisco 300-820 exam is essential for earning the CCNP Collaboration certification, which will test the applicant's knowledge of various Cisco Collaboration solutions.

Primary Expressway Configurations – 25%

This subject area measures the following skills of the candidates:

• Configuring the core Expressway settings (including DNS; certificates; clustering; network firewall rules; QoS; network interfaces);
• Troubleshooting a Business to Business collaboration solution.
• Configuring toll fraud avoiding within the Expressway series (without custom CPL scripts);
• Configuring the Expressway Core dial plan components (including transforms; zones; search rules; pipes & links; regular expressions);
• Configuring a Business to Business collaboration solution (including neighbor zones; traversal zones; search rules; transforms; certificates; DNS records; SIP trunk integration with Cisco Unified Communications Manager);

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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.

Reference: https://www.cisco.com/c/en/us/training-events/training-certifications/exams/current-list/clcei-300-820.html