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業種別の人々は自分が将来何か成績を作るようにずっと努力しています。IT業種で勤めているあなたもきっとずっと努力して自分の技能を向上させているでしょう。では、最近最も人気があるCiscoの400-007認定試験の認証資格を既に取りましたか。400-007試験に対して、あなたはいくらぐらい分かっていますか。もしこの試験に関連する知識が非常に不足であると同時にこの試験に合格したい場合、あなたはどうするつもりですか。そうですか。どうするか全然分からないですか。そうしても焦らないでください。Pass4Testはあなたに援助を提供します。
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Network Design | 30% | - Design under technical, operational and application constraints - Traditional and software-defined network design - Modular, resilient, scalable network architectures - Implementation, migration and transformation planning |
| Topic 2: Security Design | 15% | - Threat mitigation and visibility design - Regulatory compliance and governance - Segmentation, access control and policy enforcement - Security integration in network architecture |
| Topic 3: Service Design | 15% | - Cloud connectivity and multi-service integration - Operational resilience and compliance - Service placement and data governance - Support for voice, video, IoT, storage and applications |
| Topic 4: Control, Data, Management Plane and Operational Design | 25% | - Automation, orchestration and model-driven management - Software-defined and controller-based solutions - Traffic flow and plane separation design - Control plane architectures: centralized, decentralized, hybrid |
| Topic 5: Business Strategy Design | 15% | - Cost analysis and risk management - Business requirements analysis and alignment - Project management methodologies impact - Business continuity and sustainability design |
なぜ我々社は試験に合格しないなら、全額での返金を承諾するのは大勢の客様が弊社のCisco 400-007問題集を使用して試験に合格するのは我々に自信を与えるからです。Cisco 400-007試験はIT業界での人にとって、とても重要な能力証明である一方で、大変難しいことです。それで、弊社の専門家たちは多くの時間と精力を尽くし、Cisco 400-007試験資料を研究開発されます。
質問 # 27
Your network operations team is deploying Access Control Lists (ACLs) across your Internet gateways. They wish to place an ACL inbound on the Internet gateway interface facing the core network (the "trusted" interface). Which IP address would the ACL need for traffic sourced from the inside interface, to match the source address of the traffic?
正解：D
解説：
When an ACL is applied inbound on the Internet gateway interface facing the internal (trusted) network, the source IP address seen in the ACL will be the address after NAT translation has been applied to outbound traffic. This is called the inside global address:
* Inside global = Public IP assigned by NAT to inside traffic for external use.
* Inside local = Internal IP address prior to NAT.
Why other options are incorrect:
* B, D: Outside addresses refer to external devices, not internal traffic.
* C: Inside local is seen before NAT, not after.
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質問 # 28
Which purpose of a dynamically created tunnel interface on the design of IPv6 multicast services is true?
正解：B
解説：
In the design ofIPv6 multicast services, particularly usingPIM Sparse Mode, thefirst-hop router(which is connected to the multicast source) must register the multicast source with theRendezvous Point (RP). This registration involves encapsulating the multicast packets in unicast messages and sending them to the RP.
This encapsulation is done over adynamically created tunnel interface, typically referred to as aPIM Register Tunnel. This temporary tunnel is established by the source-side router to send encapsulated multicast traffic to the RP for initial source registration.
Therefore, the dynamic tunnel serves the purpose of:
* Encapsulating and sending the first multicast packets from the source to the RP
* Allowing the RP to learn about new sources and initiate shared tree or shortest-path tree forwarding This operation aligns with CCDE v3.1 design principles, where understanding the internal operation of multicast protocols-especially source registration and RP role-is critical for scalable and reliable multicast service delivery.
Why other options are incorrect:
* A: First-hop router doesn't register itself, it registers thesourceto the RP.
* B: Clients (receivers) do not register to the RP; they send IGMP/MLD joins which flow toward the RP.
* D: Not all IPv6 multicast traffic is transported via tunnels; only initial registration traffic is encapsulated in this manner.
This mechanism is essential for source discovery in sparse-mode multicast and is foundational to multicast tree building in IPv6 networks.
質問 # 29
Which DCI technology utilizes a "flood and learn" technique to populate the Layer2 forwarding table?
正解：C
質問 # 30
Drag and drop the design characteristics from the left onto the correct network filter techniques on the right.
Not all options are used.
正解：
解説：
質問 # 31
Which two actions ensure voice quality in a branch location with a low-speed, high-latency WAN connection? (Choose two.)
正解：B、C
解説：
* C. Fragment data packets: On slow WAN links, large data packets can delay small voice packets (serialization delay). Fragmentation ensures that voice packets are interleaved and not delayed behind large data frames (Link Fragmentation and Interleaving - LFI).
* E. Prioritize voice packets: QoS mechanisms (LLQ, priority queuing) ensure that voice traffic is serviced first, reducing jitter and delay.
These are both critical QoS design principles for real-time application performance in constrained branch WAN scenarios, as outlined in CCDE v3.1.
Why other options are incorrect:
* A: Increasing bandwidth may help but doesn't address serialization or prioritization.
* B: Memory upgrades do not directly improve voice quality.
* D: Fiber upgrades do not address WAN-specific serialization or QoS.
質問 # 32
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