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Cisco CCNP Collaboration 300-820J

300-820日本語

Exam Code: 300-820J

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

Updated: Nov 01, 2026

Q & A: 295 Questions and Answers

300-820J Free Demo download:

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300-820日本語 PDF Price: $139.00  $69.99


About Cisco 300-820J Exam

Cisco 300-820 Exam Topics:

SectionWeightObjectives
Key Concepts25%- Describe the complications of NAT in a Collaboration environment
- Describe the purpose of ICE, TURN and STUN
- Describe Expressway media traversal
- Describe protocol interworking on the Expressway
  • SIP < > H.323
  • IPv4 and IPv6

- Describe Expressway Licensing

  • Option keys
  • Release key
  • License consumption

- Describe SIP media encryption mode

  • Auto
  • Force encrypted
  • Force unencrypted
  • Best effort

- Describe Expressway Core dial plan elements

  • Transforms
  • Search rules
  • Zones
  • Regular expressions
  • Pipes and links

- Describe key Expressway settings

  • DNS
  • Network interfaces
  • Certificates
  • QoS
  • Clustering
  • Network firewall rules

- Describe Expressway backup and restore procedure (stand alone and cluster)

Cisco WebEx Technologies25%- Describe the signaling and media flows used in a Cisco WebEx Video Mesh deployment
- Configure WebEx Hybrid Services/Connector
  • Calendar Service (Office 365, Microsoft Exchange, One Button to Push)
  • Message Service (Deployment requirements; expressway requirements, certificates, Call Manager pre-requisites, IM&P prerequisites, deployment models)
  • Directory Services (Deployment requirements; deployment models, infrastructure requirements, active directory configuration, synchronization, WebEx user service assignment)
  • Video Mesh (Deployment requirements including; bandwidth, clustering, endpoint support, video call capacity, ports and protocols, deployment models)

- Describe Cisco Jabber for Cloud and Hybrid deployments with Cisco WebEx Messenger

Mobile and Remote Access25%- Configure a Mobile and Remote Access (MRA) solution
  • DNS records types (not platform-specific)
  • Certificates (not platform specific, covers Unified Communications Manager, IM&P, Expressways, Unity Connection)
  • Unified Communications traversal zones
  • Unified Communications configuration on Expressway
  • HTTP allow list
  • SIP trunk security profile on Cisco Unified Communications Manager

- Troubleshoot a Mobile and Remote Access (MRA) solution

  • DNS records (focus on Microsoft DNS)
  • Certificates (focus on Microsoft CA, covers Unified Communications Manager, IM&P, Expressways, Unity Connection)
  • Unified Communications traversal zones
  • Unified Communications configuration on Expressway
  • HTTP allow list
  • SIP trunk security profile on Cisco Unified Communications Manager
Initial Expressway Configurations25%- Configure key Expressway settings
  • DNS
  • Network interfaces
  • Certificates
  • QoS
  • Clustering
  • Network firewall rules

- Configure Expressway Core dial plan elements

  • Transforms
  • Search rules
  • Zones
  • Regular expressions
  • Pipes and links

- Configure toll fraud prevention on Expressway series (no custom CPL scripts)
- Configure a Business to Business (B2B) collaboration solution

  • DNS records (focus on Microsoft DNS)
  • Certificates (focus on Microsoft CA)
  • Traversal Zones
  • Neighbor Zones
  • Transforms
  • Search rules
  • SIP trunk integration with Cisco Unified Communications Manager

- Troubleshoot a Business to Business (B2B) collaboration solution

  • DNS records (focus on Microsoft DNS)
  • Certificates (focus on Microsoft CA)
  • Traversal Zones
  • Neighbor Zones
  • Transforms
  • Search rules
  • SIP trunk integration with Cisco Unified Communications Manager

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Certification Path for You to Pursue

After acquiring the CCNP Collaboration professional-level validation, it is a good idea for the candidates to opt for the next certification, i.e., the Cisco CCIE Collaboration. This is an expert-level endorsement that will teach you how to find advanced collaboration solutions by making use of the associated technologies offered by Cisco.

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

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

Question #1
図を参照してください。顧客から、Webex Meetings 中にビデオ品質が低下したとの報告がありました。エンジニアが Webex Control Hub の統計情報を調べたところ、顧客サイトからのアップリンク帯域幅が急激に変動していることがわかりました。ビデオパフォーマンスを回復するために、エンジニアはどのような 2 つの操作を行う必要がありますか?(2 つ選択してください。)

A. Webexビデオストリームで使用されるDSCP値をAF41からEFに変更します。
B. エンドポイントからの受信トラフィックのマーキングが期待されるDSCPと一致することを確認します。
C. 帯域幅の誤割り当てを避けるため、WANインターフェースのQoSを無効にします。
D. VIDEOクラスに割り当てられる優先帯域幅を増やします。
E. 「class-default」を再設定して、フェアキューの代わりにポリシングを使用するようにします。


Question #2
ファイアウォールの背後にある 2 つの内部 SIP エンドポイントのうち、外部デバイスに通話を発信するものはどれですか (2 つ選択してください)。

A. Expressway-C は内部エンドポイントと通信し、Expressway-E との間でメディアを転送します。
B. Expressway-E は、リモート SIP エッジ サーバーが通話を接続できるようにするための VPN サーバーとして使用されます。
C. Cisco エンドポイントは、プライベート IP アドレスの代わりに、パブリックにルーティング可能な静的 NAT SIP アドレスをアドバタイズするように設定されています。
D. Expressway-CはICEプロトコルを使用してリモート側と直接通信します。
E. Expressway-C は SIP SDP を書き換えて、独自の IP アドレスを外部の相手にアドバタイズします。


Question #3
図を参照してください。Expressway-EがURI [email protected]の通話をDNSゾーンにルーティングする場合、ExpresswayはどのDNSサーバーにSIP SRVレコードを照会しますか?

A. 10.30.30.30
B. 10.40.40.40
C. 10.10.10.10
D. 2020年10月20日


Question #4
Webexに登録されているローカルゲートウェイにおいて、アクセスSBCへのSRVクエリをセキュアSIP形式にするには、どの設定が必要ですか?

A. url sips
B. セッション輸送のひと口
C. セッショントランスポート TCP TLS
D. url sip


Question #5
Expressway-C と Expressway-E 間の B2B 展開にはどのゾーンが必要ですか?

A. 隣接ゾーン
B. トラバーサルゾーン
C. デフォルトゾーン
D. DNSゾーン


Solutions:

Question #1
Correct Answer: B,D
Question #2
Correct Answer: A,C
Question #3
Correct Answer: D
Question #4
Correct Answer: A
Question #5
Correct Answer: B

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