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Cisco 400-007 Exam Syllabus Topics:

SectionWeightObjectives
Network Design30%- Design resilient and scalable campus architectures
  • 1. High availability techniques and fast convergence mechanisms
  • 2. Layer 2 and Layer 3 boundary definitions
- Design Service Provider and Enterprise WAN architectures
  • 1. Data center interconnect solutions
  • 2. WAN transport technologies including MPLS, Layer 3 VPN, and Metro Ethernet
  • 3. Software-Defined WAN design implementations
Business Strategy Design15%- Assess business goals and drivers
  • 1. Analyze company financial metrics and drivers like CAPEX, OPEX, and ROI
  • 2. Evaluate risk management and business continuity strategies
  • 3. Determine regulatory and compliance constraints
- Evaluate project management methodologies impact
  • 1. Waterfall framework implementation constraints
  • 2. Agile framework and iterative lifecycle alignment
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. Cloud integration models including hybrid and multi-cloud environments
  • 2. MPLS architecture implementations such as LDP and Segment Routing
Control, Data, Management Plane and Operational Design25%- Design control plane routing architectures
  • 1. Unicast routing protocols including OSPF, EIGRP, IS-IS, and BGP
  • 2. IPv4 and IPv6 dual-stack infrastructure transitions
  • 3. Multicast routing designs and protocol options
- Design data plane transport and management plane strategies
  • 1. End-to-end Quality of Service policies
  • 2. Network visibility, telemetry, and logging infrastructures
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

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Cisco Certified Design Expert (CCDE) Written Exam Sample Questions (Q418-Q423):

NEW QUESTION # 418

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?

Answer: B


NEW QUESTION # 419
For a company that offers online billing systems for their customers, which strategy ensures the RPO is kept as low as possible?

Answer: D


NEW QUESTION # 420
A large enterprise is planning a new WAN connection to headquarters. The current dual-homed setup with static routing is not providing consistent resiliency. Users complain when one specific link fails, while failure of the other causes no issues. The organization wants to improve resiliency and ROI.
Which solution should be recommended?

Answer: C

Explanation:
Comprehensive and Detailed Explanation:
* C: Using dynamic routing protocols (e.g., OSPF, EIGRP, or BGP) provides real-time path selection, automatic failover, and improved resiliency. It eliminates manual reconfiguration delays associated with static routing, directly addressing user experience issues during failure.
Other options:
* A: QoS improves traffic prioritization, not failover/resiliency.
* B: Bandwidth upgrades do not address the failure-handling problem.
* D: Adding a third link increases cost without solving the root issue-ineffective routing response.


NEW QUESTION # 421
Which two points must network designers consider when designing a new network design or when evaluating an existing network design to help them understand the high-level design direction with regards to the security aspects? (Choose two)

Answer: A,D

Explanation:
Security design must be aligned with:
* Business objectives (A): Security design must meet business needs without hindering operations.
* Security policies and standards (B): Compliance with internal and external regulations is mandatory.
CCDE v3.1 teaches that security design always starts from business intent and policy compliance, not purely technical or scope-based factors.
Why other options are incorrect:
* C & D: Security design applies to all environments, not just multi-site or new deployments.
-


NEW QUESTION # 422
Implementing a network automation architecture usually follows a phased approach that increases automation as the new technology and processes in the preceding phases are integrated and adopted.
What provides a model that greatly simplifies the interaction with network devices?

Answer: A

Explanation:
An abstraction layer hides vendor-specific complexities and exposes standardized interfaces, greatly simplifying how automation tools interact with network devices. This enables smoother progression through automation phases.


NEW QUESTION # 423
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