Cisco 300-420: Target audience
The Cisco 300-420 test is designed for Wireless Design Engineers, Network Managers, Network Design Engineers, System Engineers, and Network Administrators. It is targeted at those individuals who want to certify or prove their knowledge and mastery in designing Cisco enterprise networks. The typical candidates for this Cisco certification exam are those people who are looking to be certified in the enterprise networks. They should have at least 3 years of hands-on experience in the field of designing these networks related to Cisco.
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Advanced Enterprise Campus Networks
This part makes up 25% of the whole content and measures the professionals’ knowledge of specific technical areas. These include the following:
- Designing the infrastructures for campus Layer 2, such as fast convergence, PoE & WoL, STP scalability, and loop-free technologies;
- Designing the infrastructures for multicampus Layer 3 (route summarization, convergence, VRFs, load sharing, redistribution, route filtering, and optimal topologies);
- Explaining overlay, underlay, security, automation, wireless, control & data plan of SD-Access architecture;
- Explaining the considerations for the SD-Access fabric design for wired and wireless access. These include fabric design, overlay, border design, control plan design, segmentation, as well as scalability, multicast, virtual networks, and over-the-top & fabric for wireless.
- Designing the campus network for high availability, including BFD, first-hop redundancy protocols, Graceful restart, and platform abstraction methods;
Cisco 300-420日本語 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| WAN for Enterprise Networks | 20% | - WAN resiliency and high availability - WAN connectivity options
|
| Software-Defined Access (SDA) | 5% | - Control plane and data plane design - SD-Access architecture - Fabric design and deployment |
| Security Services | 10% | - Secure connectivity - Security architecture design
|
| Advanced Enterprise Campus Networks | 25% | - Wireless integration - Layer 2 campus design
|
| Network Services | 15% | - Quality of Service (QoS)
|
| Advanced Addressing and Routing Solutions | 25% | - Routing protocol design
|
Cisco Designing Cisco Enterprise Networks (300-420日本語版) Sample Questions:
マルチキャストルーティングにおけるRPFチェックの目的は何ですか?
- A. 宛先アドレスへのトラフィックをルーティングするために使用されるインターフェースにマルチキャストパケットが到着した場合、パケットが破棄されるようにする
- B. マルチキャストパケットがどのインターフェースに到着したかに関わらず、すべてのインターフェースから転送されるようにする
- C. マルチキャストパケットが、トラフィックを送信元アドレスにルーティングするために使用されるインターフェースに到着した場合に転送されるようにする
- D. マルチキャストパケットが、宛先アドレスへのトラフィックルーティングに使用されるインターフェースに到着した場合に転送されるようにする
- E. トラフィックを送信元アドレスにルーティングするために使用されるインターフェースに到着したマルチキャストパケットが確実に破棄されるようにする
Correct Answer: C 🗳️
図を参照してください。Cisco Catalystスイッチは、インターフェイスgig0/2で手動で学習できるMACアドレスが1つだけになるように設定されています。スイッチポートに接続されているデバイスを動的に学習するには、どのコマンドを実行する必要がありますか?
- A. switchport port-security mac-address auto
- B. switchport port-security mac-address sticky
- C. switchport port-security maximum 1 auto
- D. switchport port-security aging
Correct Answer: B 🗳️
SD-Accessファブリックのどのコンポーネントが、ファブリック外部のネットワークとの通信を担当しますか?
- A. 中間ノード
- B. 制御プレーンノード
- C. エッジノード
- D. 境界ノード
Correct Answer: D 🗳️
マルチキャスト展開において、逆方向パス転送メカニズムはどのような機能を果たすのでしょうか?
- A. マルチキャストトラフィックを上流ルーターに通知します。
- B. ループや重複パケットを防ぎます。
- C. マルチキャストソースに向けてPIMプルーニングメッセージを送信します。
- D. 重複するマルチキャストアドレスを排除します。
Correct Answer: B 🗳️
既存のブラウンフィールド環境にSD-Accessを統合する際に、「スイッチを1つずつ」導入していくアプローチの利点を2つ挙げてください。(2つ選択してください。)
- A. すべての方法の中で最もリスクが低い
- B. 多くの新しい設計と展開の機会を切り開きます
- C. キャンパスおよび遠隔地の環境に適しています
- D. 簡略化されたロールバックを可能にする
- E. 切り替え前のテストを簡素化できる
- F. 旧型ハードウェアのアップグレード中に、最近の投資を保護するのに最適です。
Correct Answer: C,F 🗳️
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