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:
- 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.
- 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.
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Cisco 300-820日本語 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Security | 10% | - Security implementation
|
| Cloud Management | 10% | - Cloud administration
|
| Suite and Devices Configuration | 25% | - Configuration tasks
|
| APIs and Programmability | 10% | - Automation and integration
|
| Collaboration Cloud Technologies | 15% | - Cloud architecture and services
|
| Suite and Devices Management and Administration | 30% | - Administration and troubleshooting
|
Cisco Implementing Cisco Collaboration Cloud and Edge Solutions (300-820日本語版) Sample Questions:
図を参照してください。ファイアウォールはNAT 192.168.108.2から100.64.0.1に設定されています。
デュアルネットワークインターフェースを備えたExpressway-Eの場合、どのような構成変更が必要ですか?
- A.

- B.

- C.

- D.

Correct Answer: A 🗳️
ある組織では、IPアドレスとURIアドレスへの通話を希望しています。エンジニアは、組織内のエンドポイントからのこのリクエストを管理するために、Cisco Expresswaysを設定する必要があります。エンジニアは、これらの通話を外部IPアドレスに完了させるには、Expresswayをどのように設定すればよいでしょうか?
- A. 不明なIPアドレスへの通話をExpressway-Cでは間接、Expressway-Eでは直接に設定し、Expressway-Eに検索ルールを追加します。
- B. 不明なIPアドレスへの通話をCisco Expresswayに直接設定し、Expressway-Eに検索ルールを追加します。
- C. Cisco Expresswaysで不明なIPアドレスへの通話を間接に設定し、Expressway-Eに検索ルールを追加します。
- D. 検索ルールを使用して IP アドレスへの呼び出しを管理し、検索ルールが存在しない場合にのみ、Expressway の直接/間接設定がフォールバックとして使用されます。
Correct Answer: A 🗳️
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図を参照してください。管理者は、Microsoft Lync 環境を実行しているビジネス パートナーとの B2B 相互運用を設定し、[email protected] への発信ビデオ通話は正常に行えています。しかし、[email protected] への着信通話は失敗しています。SRV 検索を実行すると、図に示されているレコードが返されます。この問題を解決するには、どのレコードを変更する必要がありますか?
- A. _collab-edge._tls.ciscovoice.com
- B. _sips._tcp.ciscovoice.com
- C. _sipfederationtcp._tcp.ciscovoice.com
- D. _h323ls._udp.ciscovoice.com
Correct Answer: C 🗳️
Webex アプリのエンドポイントは、どのキャッシュ タイムライン内で STUN テストを実行し、利用可能なメディア ノード クラスターへの往復遅延時間を計算しますか?
- A. 1時間
- B. 6時間
- C. 2時間
- D. 4時間
Correct Answer: C 🗳️
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Expressway メディア トラバーサルを使用する場合、考慮すべき 2 つの点は何ですか (2 つ選択してください)。
- A. 両方のExpressway-EインターフェースをNATすることが可能です
- B. Expressway-E はファイアウォールの DMZ セグメントに配置する必要があります。
- C. MRAには統合コミュニケーショントラバーサルゾーンを使用する必要があります
- D. Cisco UCMゾーンはトラバーサルサーバまたはクライアントのいずれかである必要があります
- E. Expressway ControlはDMZに設置されたトラバーサルサーバです。
Correct Answer: B,C 🗳️
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