Cisco 300-820 Exam Topics:

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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.

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Core Concepts – 25%

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

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

The Cisco 300-820 exam introduces you to the pertinent collaboration cloud and edge features. This further unlocks your knowledge of Cisco Unified Communications Manager (CM) and Presence Service, along with Cisco WebEx Teams and Expressway structures. And if you aim to accomplish this exam, you have to mug up all its key features.

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

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