Cisco 300-820 real exam prep : Implementing Cisco Collaboration Hybrid and Cloud Technologies (CLHCT) v2.0

Cisco 300-820 Exam Topics:

Cisco 300-820 Domains to Nail

To attain a passing score in the Cisco 300-820 exam, the candidate must ace four exam domains and all the terms included in them. These exam objectives are as follows:

• Configurations of Initial Expressway (25%)

  The second domain for the Cisco 300-820 test deals with Expressway initial arrangements. In particular, it will ask the entrant to configure various settings for the expressway that include DNS, network interfaces, certificates, clustering, QoS, and networking firewall regulations. Furthermore, it also includes the configuration of the core Expressway dial plan components such as transforms, search rules, zones, regular expression, and pipes & links. The candidate should also be capable of configuring the Expressway series with the help of prevention measures of toll fraud without CPL custom scripts. Next, this section of the real exam also deals with configuring B2B solution collaboration components that include Microsoft DNS records, Microsoft CA, traversal zones, neighbor zones, transforms, search rules, and the SIP integration for trunks. At last, such an area discusses how to troubleshoot the B2B solution as well as its elements.

• Remote Access & Mobile (25%)

  This part of the official exam is all about remote access as well as various mobile solutions. It consists of questions regarding the configuration of mobile and remote access solutions or MRA for short. This includes components such as DNS record types, certificates, traversal zones for unified communications & the configuration on Expressway, HTTP allow lists, and the SIP trunk profile for security on the Unified Communications Manager of Cisco. The applicant should also be capable of troubleshooting the MRA solutions along with all its components like Microsoft CA, IM&P, Unity Connection, and Expressways if to mention a few.

• Technologies of WebEx (25%)

  The final sector of 300-820 CLCEI exam consists of the concepts and configuration of the WebEx technologies of Cisco. So, in the first place, the entrant needs to be capable of describing the media flows in addition to signaling in the Cisco WebEx Video Mesh execution. In addition to that, this section includes the configuration of WebEx Hybrid/Connector Services that comprise the calendar services like Office 365, message services such as IM&P prerequisites, user WebEx assignment directory services, and bandwidth, endpoint, and clustering video mesh. Here, the applicant also needs to consider all the deployment requirements of the aforementioned services. Finally, this domain details the concept of Jabber offered by Cisco for Cloud & Hybrid installations.

• Key Concepts (25%)

  The first portion of the final exam includes the key concepts of the collaboration solutions. This way, the candidate is expected to have a thorough understanding of the NAT concept in regards to Collaboration environments. It is also essential for you to know about STUN, ICE, and TURN as well as their purpose. This domain also expects the entrant to have knowledge about the Expressway for the Media Traversal and protocol networking on it. These protocols include H.323 SIP, IPv6, and IPv4. Furthermore, the applicant should be capable of describing Expressway Licensing and its components such as the Option keys, Release key, and license consumptions. The concept of SIP media for the encryption mode, the core Expressway dial plan, and their components will as well be tested in this section. Finally, such a scope touches on various important settings for Expressway such as DNS, network interfaces, certificates, QoS, clustering, and firewall rules. Overall, within such a topic, you'll get to know more about such concepts like Force encrypted/unencrypted, best effort, pipes, links, zones, and auto.

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

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Official Training Course

Follow up the topic introduction with a comprehensive course administered by Cisco. This training comes in two delivery options, either a physical classroom with hands-on labs or e-learning. Both run for 5 days, with a specific audience targeted for collaboration administrators and collaboration engineers.

The course outline is very exhaustive and well-thought-out to provide you with the most relevant knowledge needed for your upcoming exam as well as your job role. Its main objective is to provide quality learning through blow-by-blow discussion and lab practices. Completing this program shapes your skills in Cisco Unified CM, together with Cisco Expressway, their configuration, and additional features. Subsequently, lectures acquaint you with troubleshooting of collaboration solutions and security of B2B communication. Also, using Cisco Collaboration, you gain proficiency in B2B calls.

Another key part of the course is Cisco’s Mobile and Remote Access (MRA). At this point, there will be an all-inclusive explanation of important skills, specifically in designing, troubleshooting, integrating, and securing MRA features. Some of the primary aspects that are deliberated include Cisco Instant Messaging and Presence and Cisco Unity Connection. Concluding the discussion are Cisco Webex Hybrid Services.

With the combination of lectures and labs, you get the upper hand with your test preparation. It readily highlights your knowledge of leveraging collaborative technologies for the accessibility of work supports such as content, voice, video, and remote workloads. And considering the weight and extensiveness of the course, there are certain prerequisites that needed to be cleared beforehand. First of all, it’s imperative to have a solid background in networking technologies, predominantly in voice and video. Unerring comprehension of basic Cisco collaboration solutions and Cisco Unified Communications Manager call control fundamentals is also a must. Lastly, you should already be familiar with vital signaling protocols like XMPP and SIP. If you think your contextual grasp is not enough, it’s advisable that you take the associated courses. These are “Understanding Cisco Collaboration Foundations” and “Implementing and Operating Cisco Collaboration Core Technologies”.

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.

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