Exam 400-007 Questions - 400-007 Actual Test

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Cisco 400-007 Exam Syllabus Topics:

SectionObjectives
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
          Routing and Path Control- Routing protocol design
          • 1. BGP policy and scalability
            • 2. OSPF / IS-IS architecture
              - Traffic engineering
              • 1. Path optimization techniques
                • 2. Policy-based routing considerations
                  End-to-End Enterprise Architecture Scenarios- Large-scale enterprise design
                  • 1. Scalability and resiliency trade-offs
                    • 2. High availability and redundancy
                      - Service integration
                      • 1. Hybrid connectivity design
                        • 2. Migration and transformation strategies
                          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
                                  Network Design Methodology and Principles- Design lifecycle and methodology
                                  • 1. Design phases and validation approaches
                                    • 2. Trade-off analysis techniques
                                      - Requirements gathering and analysis
                                      • 1. Business and technical constraints
                                        • 2. Stakeholder requirements mapping
                                          Multicast and Advanced Services- Multicast design
                                          • 1. Multicast distribution models
                                            • 2. PIM architecture and scaling
                                              - Network services
                                              • 1. QoS design principles
                                                • 2. Security integration in design

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                                                  Cisco Certified Design Expert (CCDE) Written Exam Sample Questions (Q161-Q166):

                                                  NEW QUESTION # 161
                                                  Which methodology is the leading lifecycle approach to network design and implementation?

                                                  Answer: B

                                                  Explanation:
                                                  * A (PPDIOO - Prepare, Plan, Design, Implement, Operate, Optimize):PPDIOO is Cisco's structured lifecycle methodology designed specifically for network design, deployment, and management. It ensures continuous improvement, iterative design, and aligns technical efforts with business goals throughout the entire network lifecycle.
                                                  Other options explained:
                                                  * B: Waterfall is a generic software development methodology.
                                                  * C: Spiral emphasizes iterative risk management for software development.
                                                  * D: V model applies primarily to software verification and validation.


                                                  NEW QUESTION # 162
                                                  What is the best approach in a large legacy application migration scenario when the goal is to complete the migration in the shortest possible time?

                                                  Answer: D

                                                  Explanation:
                                                  Rehosting, also known as "lift and shift," is the fastest migration approach because it moves the application to the cloud with minimal or no modifications, making it ideal when the priority is completing the migration quickly.


                                                  NEW QUESTION # 163
                                                  SDN emerged as a technology trend that attracted many industries to move from traditional networks to SDN. Which challenge is solved by SDN for cloud service providers?

                                                  Answer: D


                                                  NEW QUESTION # 164
                                                  Software-defined networking architecture is used for cost-effective, adaptable, and easily manageable applications. In which two software-defined networks is SDN commonly used? (Choose two.)

                                                  Answer: C,D

                                                  Explanation:
                                                  * A (SD-WAN):SDN principles are widely adopted in wide area networks for dynamic path selection, centralized control, and policy enforcement.
                                                  * B (Mobile networks):5G and modern mobile networks leverage SDN/NFV architectures to virtualize core services and optimize resource utilization.
                                                  Other options explained:
                                                  * C: Metro networks adopt SDN, but WAN and mobile are more common mainstream use cases.
                                                  * D/E: Application and control network are not direct SDN network types.


                                                  NEW QUESTION # 165
                                                  What is an advantage of using Agile over Waterfall methodology in the network design lifecycle?

                                                  Answer: B


                                                  NEW QUESTION # 166
                                                  ......

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