Cisco 300-820: Prerequisites

The Cisco 300-820 exam is intended for the practitioners who perform the roles of a Collaboration Engineer or a Collaboration Administrator. These individuals should have a solid understanding of networking technologies as well as key Cisco collaboration technologies. They also need to have the expertise in the Session Initiation Protocol (SIP) as well as Extensible Messaging & Presence Protocol (XMPP) signaling protocol fundamentals and be aware of collaboration call control basics of Cisco Unified Communications Manager.

There are no formal prerequisites for taking this certification test but the candidates need to develop a good comprehension of its topics to be able to tackle the exam questions. It is also recommended that the applicants have experience of at least three to five years in implementing 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 protocol interworking within Expressway (including SIP < > H.323 as well as IPv4 & IPv6);
• Describing the SIP media encryption mode (including auto; best effort; force unencrypted; force encrypted);
• Describing the function of TURN, STUNI, and ICE;
• Describing Expressway media traversal;
• Describing the core Expressway settings (including network interfaces; certificates; DNS; QoS; network firewall rules; clustering);
• 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);

Here is Cisco 300-820 Exam

This exam assesses your experience of cooperating in cloud and edge solutions, consisting of: Cisco Unified Instant Messaging and Presence, Road configurations,Cisco Webex teams intersect as do emerging technologies.Comprehension and also the skills you need to have for this exam: Understanding of modern network technologies ,Understanding of voice and video clips ,Proficiency in Cisco Core Partnership Technologies , Login Method (SIP) and also Extensible Messaging and Existence Procedure (XMPP) Signaling Method Basics, Call Control Basics Working with Cisco Unified Communications Supervisor.

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

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