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Cisco 300-820 Exam Topics:

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

Core Concepts – 25%

Within this topic, the applicants should prove that they are capable of performing the following tasks:

• Describing the core Expressway settings (including network interfaces; certificates; DNS; QoS; network firewall rules; clustering);
• Describing protocol interworking within Expressway (including SIP < > H.323 as well as IPv4 & IPv6);
• Describing Expressway media traversal;
• Describing the SIP media encryption mode (including auto; best effort; force unencrypted; force encrypted);
• Describing the complexities of NAT within a Collaboration environment;
• Describing the function of TURN, STUNI, and ICE;
• Describing the Expressway backup as well as restoring procedure (cluster & stand alone).
• Describing the Expressway Core dial plan components (including transforms; zones; regular expressions; search rules; pipes & links);
• Describing Expressway Licensing (including option keys; license consumption; release key);

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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.