400-007合格記、400-007日本語版問題解説

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Cisco 400-007 Exam Syllabus Topics:

SectionObjectives
Multicast and Advanced Services- Multicast design
  • 1. PIM architecture and scaling
    • 2. Multicast distribution models
      - Network services
      • 1. Security integration in design
        • 2. QoS design principles
          MPLS and VPN Architectures- VPN design
          • 1. Multi-site connectivity strategies
            • 2. L3VPN and L2VPN design models
              - MPLS fundamentals
              • 1. MPLS scalability design
                • 2. Label switching architecture
                  End-to-End Enterprise Architecture Scenarios- Large-scale enterprise design
                  • 1. Scalability and resiliency trade-offs
                    • 2. High availability and redundancy
                      - Service integration
                      • 1. Migration and transformation strategies
                        • 2. Hybrid connectivity design
                          Network Design Methodology and Principles- Requirements gathering and analysis
                          • 1. Stakeholder requirements mapping
                            • 2. Business and technical constraints
                              - Design lifecycle and methodology
                              • 1. Trade-off analysis techniques
                                • 2. Design phases and validation approaches
                                  Routing and Path Control- Routing protocol design
                                  • 1. BGP policy and scalability
                                    • 2. OSPF / IS-IS architecture
                                      - Traffic engineering
                                      • 1. Policy-based routing considerations
                                        • 2. Path optimization techniques
                                          Infrastructure Design (Layer 2 / Layer 3)- Layer 3 design
                                          • 1. IGP selection and design
                                            • 2. IP addressing and summarization
                                              - Layer 2 technologies
                                              • 1. Ethernet scaling and segmentation
                                                • 2. Spanning Tree design considerations

                                                  >> 400-007合格記 <<

                                                  Cisco 400-007日本語版問題解説 & 400-007受験料

                                                  400-007練習教材を購入したすべての学生は、Ciscoの400-007学習教材が提供する内容に従い、毎日学習する限り、プロの400-007資格試験に合格できると信じています。 模擬試験を通じて定期的に自己検査を実施します。 もちろん、GoShiken購入する前に、400-007学習教材は無料の試用サービスを提供します。当社のWebサイトにログオンしている限り、無料で試用版のCisco Certified Design Expert (CCDE) Written Exam質問バンクをダウンロードできます。 400-007テストエンジンを試した後、あなたはそれらを愛することになると信じています。

                                                  Cisco Certified Design Expert (CCDE) Written Exam 認定 400-007 試験問題 (Q495-Q500):

                                                  質問 # 495
                                                  SDN is still maturing. Throughout the evolution of SDN, which two things will play a key role in enabling a successful deployment and avoiding performance visibility gaps in the infrastructure? (Choose two.)

                                                  正解：B、D

                                                  解説：
                                                  * B (Dynamic real-time change):SDN must adapt dynamically as network demands and application requirements evolve.
                                                  * E (Integration of device context):Understanding device-level status, capabilities, and resource availability allows controllers to make informed decisions, reducing visibility gaps.
                                                  Other options explained:
                                                  * A: On-demand growth is a business benefit but not related to visibility/performance gaps.
                                                  * C: Reverting to legacy behaviors undermines SDN benefits.
                                                  * D: Peer-to-peer controllers help scale, but not directly tied to visibility gaps.


                                                  質問 # 496
                                                  Refer to the exhibit.

                                                  An engineer has been asked to redesign the traffic flow toward AS 111 coming from AS 500.Traffic destined to AS 111 network 91 7 0.0/16 should come in via AS 100. while traffic destined to all other networks in AS 111 should continue to use the existing path Which BGP attributes are best suited to control this inbound traffic coming from BGP AS 500 Into the 91.7.0.0/16 network?

                                                  正解：B


                                                  質問 # 497
                                                  A company created an IPv6 adoption plan for its campus network that requires dual-stack connectivity on the network. Campus users must have IPv6 connectivity to an HR management application, which is the first IPv6-only application hosted in the company's data center. Which two security mechanisms can be used to prevent a malicious user from masquerading as the IPv6 gateway? (Choose two.)

                                                  正解：A、C

                                                  解説：
                                                  IPv6 RA guard: Protects the network from rogue IPv6 routers by filtering out unauthorized Router Advertisements (RAs), preventing attackers from masquerading as a legitimate IPv6 gateway.
                                                  IPv6 snooping: Allows the network device to inspect and track IPv6 traffic, ensuring that only valid devices are communicating, and preventing rogue devices from impersonating the IPv6 gateway.


                                                  質問 # 498
                                                  VPLS is implemented in a Layer 2 network with 2000 VLANs. What is the primary concern to ensure successful deployment of VPLS?

                                                  正解：A

                                                  解説：
                                                  Virtual Private LAN Service (VPLS) provides Layer 2 VPN connectivity over MPLS. Each Provider Edge (PE) device must learn and maintain MAC addresses per virtual instance.
                                                  * PE Scalability is the primary concern: With 2000 VLANs, each PE participating in those instances must maintain a large forwarding table and handle associated control-plane activity.
                                                  * MAC learning and aging, along with full-mesh label-switched paths (LSPs), place a heavy burden on CPU and memory.
                                                  * Flooding (A) is expected but not the primary concern; it's a symptom of scale.
                                                  * The underlying transport (C) and VLAN ID limits (D) are important but not as critical in the context of PE resource scalability.


                                                  質問 # 499
                                                  What are two descriptions of network optimization? (Choose two.)

                                                  正解：A、B

                                                  解説：
                                                  * B (Proactive network management):Network optimization involves ongoing monitoring, trend analysis, and proactive maintenance to prevent issues before they impact performance.
                                                  * D (Network health maintenance):Optimization focuses on ensuring consistent network performance, reducing bottlenecks, and maintaining network integrity through regular health checks and adjustments.
                                                  Other options explained:
                                                  * A: High availability is a design goal but not optimization itself.
                                                  * C: Redesign suggests a major rearchitecture, not part of ongoing optimization.
                                                  * E: Requirement identification happens during initial design phases.


                                                  質問 # 500
                                                  ......

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                                                  400-007日本語版問題解説: https://www.goshiken.com/Cisco/400-007-mondaishu.html

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