Latest 400-007 Dumps Questions & 400-007 Instant Discount

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Cisco 400-007 Exam Syllabus Topics:

SectionObjectives
Topic 1: Network Design Methodology and Principles- Requirements gathering and analysis
  • 1. Stakeholder requirements mapping
    • 2. Business and technical constraints
      - Design lifecycle and methodology
      • 1. Design phases and validation approaches
        • 2. Trade-off analysis techniques
          Topic 2: Routing and Path Control- Traffic engineering
          • 1. Path optimization techniques
            • 2. Policy-based routing considerations
              - Routing protocol design
              • 1. OSPF / IS-IS architecture
                • 2. BGP policy and scalability
                  Topic 3: MPLS and VPN Architectures- VPN design
                  • 1. L3VPN and L2VPN design models
                    • 2. Multi-site connectivity strategies
                      - MPLS fundamentals
                      • 1. MPLS scalability design
                        • 2. Label switching architecture
                          Topic 4: Multicast and Advanced Services- Multicast design
                          • 1. PIM architecture and scaling
                            • 2. Multicast distribution models
                              - Network services
                              • 1. QoS design principles
                                • 2. Security integration in design
                                  Topic 5: End-to-End Enterprise Architecture Scenarios- Service integration
                                  • 1. Hybrid connectivity design
                                    • 2. Migration and transformation strategies
                                      - Large-scale enterprise design
                                      • 1. High availability and redundancy
                                        • 2. Scalability and resiliency trade-offs
                                          Topic 6: Infrastructure Design (Layer 2 / Layer 3)- Layer 3 design
                                          • 1. IGP selection and design
                                            • 2. IP addressing and summarization
                                              - Layer 2 technologies
                                              • 1. Spanning Tree design considerations
                                                • 2. Ethernet scaling and segmentation

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                                                  Cisco Certified Design Expert (CCDE) Written Exam Sample Questions (Q396-Q401):

                                                  NEW QUESTION # 396
                                                  Which two benefits can software-defined networks provide to businesses? (Choose two.)

                                                  Answer: B,F

                                                  Explanation:
                                                  SDN enables innovation by allowing programmability and faster deployment of new services.
                                                  SDN reduces OpEx/CapEx by centralizing control, automating tasks, and optimizing resource utilization.


                                                  NEW QUESTION # 397
                                                  What is the most important operational driver in building a resilient and secure modular network design?

                                                  Answer: C

                                                  Explanation:
                                                  * The primary goal of resilient modular network design is to minimize the operational impact of failures by automating recovery and isolating fault domains.
                                                  * C: Reducing failures that require manual intervention improves availability, reduces downtime, and ensures stability even under fault conditions.
                                                  Why other options are incorrect:
                                                  * A: This is a limitation to avoid, not a design driver.
                                                  * B: Minimizing app downtime is an outcome, not the operational driver itself.
                                                  * D: Development time is not related to operational network resiliency.
                                                  -


                                                  NEW QUESTION # 398
                                                  Company XYZ, a global content provider, owns data centers on different continents. Their data center design involves a standard three-layer design with a Layer 3-only core. HSRP is used as the FHRP. They require VLAN extension across access switches in all data centers, and they plan to purchase a Layer 2 interconnection between two of their data centers in Europe. In the absence of other business or technical constraints, which termination point is optimal for the Layer 2 interconnection?

                                                  Answer: C

                                                  Explanation:
                                                  In a standard 3-tier data center architecture (access, aggregation, core), the Layer 2-to-Layer 3 boundary typically resides at the aggregation layer. When extending VLANs between data centers using a Layer 2 interconnection, the most optimal and scalable termination point is at the aggregation layer because:
                                                  * It naturally handles VLAN demarcation and Layer 3 boundary.
                                                  * Spanning Tree Protocol (STP) domains remain contained within local aggregation blocks.
                                                  * The core remains Layer 3-only, ensuring scalability, stability, and no STP involvement.
                                                  * Simplifies traffic engineering, FHRP operations, and minimizes control-plane complexity across sites.
                                                  This design is consistent with CCDE v3.1 best practice where VLAN extension is isolated to aggregation to avoid STP scaling issues and maintain hierarchical design principles.
                                                  Why other options are incorrect:
                                                  * A: STP isolation can still be achieved at aggregation while keeping the core Layer 3.
                                                  * C: Access layer extensions would increase STP scope and complexity unnecessarily.
                                                  * D: Core termination violates Layer 3 core design, bringing STP into the core, which is not scalable.


                                                  NEW QUESTION # 399
                                                  Which two advantages of using DWDM over traditional optical networks are true? (Choose two.)

                                                  Answer: D,E


                                                  NEW QUESTION # 400
                                                  A network engineering team is in the process of designing a lab network for a customer demonstration. The design engineer wants to show that the resiliency of the MPLS traffic Engineering Fast Reroute solution has the same failover/failback times as a traditional SONET/SDH network (around 50MSEC). In order to address both link failure and node failure within the lab typology network, which type of the MPLS TE tunnels must be considered for this demonstration?

                                                  Answer: B


                                                  NEW QUESTION # 401
                                                  ......

                                                  A steadily rising competition has been noted in the tech field. Countless candidates around the globe aspire to be Cisco Certified Design Expert (CCDE) Written Exam in this field. Cisco 400-007 stand out from the rest of the Cisco professionals. Once you become Cisco certified, a whole new scope opens up to you and you are immediately hired by reputed firms. Even though the Cisco Certified Design Expert (CCDE) Written Exam boosts your career options, you have to pass the 400-007 Exam. This Cisco Certified Design Expert (CCDE) Written Exam exam serves to filter out the capable from incapable candidates.

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