400-007技術試験 & 400-007最速合格

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Cisco 400-007 Exam Syllabus Topics:

SectionWeightObjectives
Network Design30%- Design Service Provider and Enterprise WAN architectures
  • 1. WAN transport technologies including MPLS, Layer 3 VPN, and Metro Ethernet
  • 2. Data center interconnect solutions
  • 3. Software-Defined WAN design implementations
- Design resilient and scalable campus architectures
  • 1. High availability techniques and fast convergence mechanisms
  • 2. Layer 2 and Layer 3 boundary definitions
Service Design15%- Incorporate automation and network programmability
  • 1. Data parsing structures using JSON and XML formats
  • 2. Infrastructure as Code tool adoption
- Design infrastructure and network virtualization
  • 1. MPLS architecture implementations such as LDP and Segment Routing
  • 2. Cloud integration models including hybrid and multi-cloud environments
Control, Data, Management Plane and Operational Design25%- Design data plane transport and management plane strategies
  • 1. Network visibility, telemetry, and logging infrastructures
  • 2. End-to-end Quality of Service policies
- Design control plane routing architectures
  • 1. Unicast routing protocols including OSPF, EIGRP, IS-IS, and BGP
  • 2. Multicast routing designs and protocol options
  • 3. IPv4 and IPv6 dual-stack infrastructure transitions
Security Design15%- Design secure perimeter and edge boundaries
  • 1. Firewall and Intrusion Prevention System deployment modes
  • 2. Enterprise cryptography architectures and VPN frameworks
- Design secure infrastructure controls
  • 1. Layer 2 and Layer 3 security defense mechanisms
  • 2. Network virtualization security and microsegmentation
Business Strategy Design15%- Evaluate project management methodologies impact
  • 1. Waterfall framework implementation constraints
  • 2. Agile framework and iterative lifecycle alignment
- Assess business goals and drivers
  • 1. Evaluate risk management and business continuity strategies
  • 2. Determine regulatory and compliance constraints
  • 3. Analyze company financial metrics and drivers like CAPEX, OPEX, and ROI

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Cisco Certified Design Expert (CCDE) Written Exam 認定 400-007 試験問題 (Q268-Q273):

質問 # 268
Company XYZ plans to run OSPF on a DMVPN network. They want to use spoke-to-spoke tunnels in the design What is a drawback or concern in this type of design?

正解：A


質問 # 269
What are two top cloud-native security challenges faced by today's cloud-oriented organizations?
(Choose two.)

正解：A、E


質問 # 270

Refer to the exhibit: A customer is migrating from a TDM-based Layer 2 VPN (L2VPN) to an MPLS Layer 3 VPN (L3VPN) in phases. The backbone OSPF connection between HUB A and HUB B will be replaced by eBGP. During the migration, some spokes (A2 and B1) are already moved to the L3VPN. The goal is to avoid routing loops during this hybrid transition.
Which design choice helps prevent routing loops during the backbone link migration?

正解：C

解説：
# Comprehensive Explanation:
* A: In hybrid WAN designs where routing domains are gradually migrating from OSPF to BGP, particularly with overlapping domains or redistribution points, loops can occur if the same routes are seen via multiple protocols (e.g., BGP and OSPF). Implementing route filtering on the OSPF backbone prevents it from learning and advertising spoke routes that it also receives via BGP-eliminating the loop scenario.
* B: Advertising a low administrative distance (AD) for transit traffic does not prevent loops and may worsen convergence or cause routing inconsistency.
* C: Summarizing OSPF routes may reduce the routing table size, but it does not solve the loop issue caused by dual protocol redistribution unless filtering is applied.
* D: Redistributing EIGRP routes into BGP with a low cost might cause preference toward one path but does not address the loop risk between the hybrid segments (OSPF and BGP).
This is a classic use case for route filtering in dual-protocol or dual-backbone migrations, where ensuring consistent path selection and loop prevention is essential.


質問 # 271
Refer to the exhibit. After a network audit a network engineer must optimize the current network convergence time. The proposed solution must consider link layer and control plane failures.

Which solution meets the requirements?

正解：A


質問 # 272
An existing wireless network was designed to support data traffic only. You must now install context Aware services for location tracking changes must be applied to the existing wireless network to increase the location accuracy? (Chose two)

正解：A、B


質問 # 273
......

誰もが成功を望んでいますが、誰もが勉強に忍耐する強い心を持っているわけではありません。現在Ciscoのステータスに満足できない場合は、400-007の実際の試験が役立ちます。 400-007試験問題は、常に最高99％の合格率を誇っています。教材を使用すると、試験準備の時間を節約できます。 400-007テストエンジンを選択すると、簡単に認定を取得できます。選択して、400-007学習教材を購入し、今すぐ学習を開始してください！知識、Cisco Certified Design Expert (CCDE) Written Exam実績と幸福があなたを待っています！

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