Cisco 300-820日本語 : Implementing Cisco Collaboration Cloud and Edge Solutions (300-820日本語版)

Best Study Guides for 300-820 Exam

• David Schulz’s Cisco Unity Connection, 1st Edition (Amazon)

  Though this book was already released years ago, most of its contents are still relevant to today’s Cisco Unity Connection solution. Make use of its thorough collection of concepts and techniques to efficiently master the crucial tasks involved in handling Cisco Unity Connection operations. These include planning, implementing, and maintaining voice messaging systems. Furthermore, the author delivers a more realistic approach in understanding the system lifecycle and that is by giving an extensive explanation, together with some practical examples, case studies, and industry set solutions.

• Official exam guide

  Before you begin with the detailed training, you have to check the complete list of topics. All the relevant areas are recorded on the official site and can be downloaded at your own convenience. This PDF file breaks down the four major domains of the Cisco 300-820 exam. Each of these holds 25% of the total syllabus. This means every section is equally substantial, hence the need to be competent in all divisions.

• David J. Bateman’s Configuring Cisco Unified Communications Manager and Unity Connection: A Step-by-Step Guide (Amazon)

  The book is created to provide you with an in-depth analysis of two remarkable Cisco systems: Unified Communications Manager and Unity Connection. With a detailed summary of the processes on how to design, configure, and manage both Cisco voice messaging and call processing, you get to maximize your skills and become well-rounded with the demands of the industry. In addition, there are lessons covering the procedures that administrators, integrators, and other professionals working with collaboration solutions should be aware of.

• Brett Hall and Nik Smith’s Practical Cisco Unified Communications Security (Amazon)

  Authored by industry experts, the book is a pivotal tool in mastering the core areas of Cisco UC system security. This material further addresses the fundamental attributes of how to effectively protect environments that aid in supporting various types like meetings, messaging, video, and voice. Likewise, it zooms in different real-time collaboration functions that are grounded on either mobile with remote access or mobile devices on BYOD initiatives.

  For a quick reference of the content, this begins with the impact of guarding your workforce through safety techniques and basic physical security features. Once you understand its importance, it’s easy to take necessary countermeasures to keep Cisco Unified CM, Cisco Meeting Server, and Cisco Unity Connection secured and functional. Other essential subjects that are accounted for are Session Border Controllers, as well as UC services, resources, and applications.

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

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Cisco 300-820 Exam Reference

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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:

• 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.

• 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.

• 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.

• 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.

Cisco 300-820日本語 Exam Syllabus Topics:

Cisco Implementing Cisco Collaboration Cloud and Edge Solutions (300-820日本語版) Sample Questions:

Question #1
高速道路Cと高速道路Eの間に安全な通過ゾーンを設けるには、どの2つのオプションを使用すべきでしょうか？(2つ選択してください。)

A. Expressway-E でユーザー名とパスワードによる認証検証を有効にします。
B. H.323接続が必要で、かつ相互接続が無効になっている場合は、別のトラバーサルゾーンのペアを設定する必要があります。
C. 隣接ピアを認証するために、Expressway-C と Expressway-E のそれぞれにユーザー名とパスワードのセットを作成します。
D. Expressway-C と Expressway-E は互いのサーバー証明書を信頼する必要があります。
E. H.323およびSIP接続用のCisco Unified Communicationsトラバーサルゾーンが1つ。

Question #2
スケジュールされた会議の参加者は、会議中にホストから明示的に許可されない限り、画面やファイルを共有できません。このサイト全体のデフォルトの動作を変更するには、Webexサイト管理で管理者はどのような操作を行う必要がありますか？

A. 会議設定で「参加者が共有コンテンツを閲覧できるようにする」オプションを有効にします。
B. ビデオオプションで「最大ビデオ接続数」を有効にします。
C. 会議オプションで「参加者がコンテンツを共有することを許可する」オプションを有効にします。
D. 会議の詳細設定で「ホストがコンテンツを共有することを許可する」オプションを有効にします。

Question #3
Webexのどのセキュリティ対策によって、ある組織のユーザーが別の組織に作成されるのを防ぐことができますか？

A. ドメイン追加
B. ドメインクレーム
C. ドメイン検証
D. ドメインリリース

Question #4
Cisco Webex Video Mesh の展開はどのようにサポートされていますか?

A. Video Mesh クラスターでは IPv6 および IPv4 の展開がサポートされています。
B. Video Mesh Dual NIC は非武装展開でサポートされます。
C. 同じデータセンターの展開では、シングル NIC とデュアル NIC の混在がサポートされます。
D. ラウンドトリップ時間が短い場合、WAN 経由のビデオ メッシュ ノードのクラスタリングがサポートされます。

Question #5
顧客ネットワークへのモバイルアクセスとリモートアクセスを有効にするには、Expressway Edgeサーバーペアをインストールする必要があります。MRAソリューションを正常にインストールするために必要な要件は次のうちどれですか？
(2つ選択してください。)

A. エッジサーバーは、複数のネットワークインターフェイス、または単一のネットワークインターフェイスでデプロイできます。
どちらのシナリオにおいても、プライベートIPアドレスを使用している場合は、インターネットに接続するインターフェースでNATを有効にする必要があります。
B. ファイアウォールを設定して、Expressway-Core から Expressway-Edge サーバーへのトラフィックと、インターネット ホストから Expressway-Edge サーバーへのトラフィックを許可します。
Expressway-EdgeからExpressway Coreサーバーへのトラフィックに対して、ファイアウォールルールを設定する必要はありません。
C. DNS SRVレコードを適切に設定してください。DNS SRVレコード「collab-edge_tls.yourdomain.com」が社内ネットワーク外から解決できることを確認してください。また、社内ネットワーク内からは解決できないようにしてください。
D. Expressway-Edge および Expressway-Core サーバーのサーバー証明書が同じ認証局によって署名され、CA 証明書が信頼できる CA ストアにアップロードされていることを確認してください。そうでない場合、トラバーサル ゾーンは機能しません。

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