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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 Expressway Core dial plan components (including transforms; zones; regular expressions; search rules; pipes & links);
- Describing protocol interworking within Expressway (including SIP < > H.323 as well as IPv4 & IPv6);
- Describing Expressway Licensing (including option keys; license consumption; release key);
- Describing the Expressway backup as well as restoring procedure (cluster & stand alone).
- Describing the function of TURN, STUNI, and ICE;
- Describing the core Expressway settings (including network interfaces; certificates; DNS; QoS; network firewall rules; clustering);
- Describing the complexities of NAT within a Collaboration environment;
- Describing the SIP media encryption mode (including auto; best effort; force unencrypted; force encrypted);
- Describing Expressway media traversal;
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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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What Are the Main Features of the Exam?
Cisco 300-820 is a 90-minute exam that sets your career to a particular area of specialization, and that is Cisco collaboration. The topics covered here kick off with the fundamental concepts, then go through the expressway configurations and MRA solution. The last key section is about WebEx technologies. To gain a profound grasp of these domains, you need the support of various study materials, from books to training courses and more.
