Updated Latest 400-007 Exam Notes - Pass 400-007 Exam

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Cisco 400-007 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Business Strategy Design15%- Evaluate project management methodologies impact
  • 1. Agile framework and iterative lifecycle alignment
  • 2. Waterfall framework implementation constraints
- Assess business goals and drivers
  • 1. Determine regulatory and compliance constraints
  • 2. Evaluate risk management and business continuity strategies
  • 3. Analyze company financial metrics and drivers like CAPEX, OPEX, and ROI
Topic 2: 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. Network virtualization security and microsegmentation
  • 2. Layer 2 and Layer 3 security defense mechanisms
Topic 3: 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
Topic 4: Control, Data, Management Plane and Operational Design25%- Design data plane transport and management plane strategies
  • 1. End-to-end Quality of Service policies
  • 2. Network visibility, telemetry, and logging infrastructures
- Design control plane routing architectures
  • 1. IPv4 and IPv6 dual-stack infrastructure transitions
  • 2. Unicast routing protocols including OSPF, EIGRP, IS-IS, and BGP
  • 3. Multicast routing designs and protocol options
Topic 5: 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. Software-Defined WAN design implementations
  • 2. WAN transport technologies including MPLS, Layer 3 VPN, and Metro Ethernet
  • 3. Data center interconnect solutions

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Cisco Certified Design Expert (CCDE) Written Exam Sample Questions (Q539-Q544):

NEW QUESTION # 539
Software-defined network and traditional networks might appear the same to the end-user, but behind the scenes, each has unique sets of characteristics. Drag and drop these characteristic found on the left to the corresponding category on the right in no particular order?

Answer:

Explanation:


NEW QUESTION # 540
Company XYZ is designing the IS-IS deployment strategy for their multiarea IS-IS domain. They want IS-IS neighbor relationships minimized on each segment and the LSDB size optimized. Which design can be used?

Answer: A

Explanation:
* D (L1/L2 for ABRs and L1 for internal routers):This hierarchical approach minimizes LSDB size inside areas (L1 routers only maintain intra-area routes) while L1/L2 routers handle inter-area route propagation, reducing neighbor adjacencies and improving scalability.
Other options explained:
* A: Level 2 everywhere results in larger LSDBs across all routers.
* B: Only L2 routers at ABRs would isolate L1 domains improperly.
* C: Pure L1 design prevents inter-area reachability.


NEW QUESTION # 541
Which mechanism provides Layer 2 fault isolation between data centers?

Answer: D

Explanation:
* B (OTV - Overlay Transport Virtualization): Allows Layer 2 extension across data centers while maintaining fault isolation by not extending STP across the WAN. Control plane handles MAC learning, which provides stability and loop avoidance between data centers.
Why other options are incorrect:
* A: FabricPath is mainly for intra-data center Layer 2 fabric.
* C: Advanced VPLS extends Layer 2 but carries STP across the WAN.
* D: LISP operates at Layer 3, not for Layer 2 extension.
* E: TRILL also focuses on intra-DC Layer 2 but not DCI fault isolation.
-


NEW QUESTION # 542
QUESTION 69 Refer to the exhibit. AJI links are P2P Layer 3. A high availability application is synchronizing data between host A and host B. To increase chance of delivery the same data is sent twice from host A on two different NICs toward the two NICs on host B.

Which solution must be deployed in the network to ensure that any failure in the network does not trigger data loss on host B?

Answer: B


NEW QUESTION # 543
An enterprise plans to evolve from a traditional WAN network to a software-defined WAN network. The existing devices have limited capability when it comes to virtualization. As the migration is carried out, enterprise applications and services must not experience any traffic impact. Which implementation plan can be used to accommodate this during the migration phase?

Answer: B

Explanation:
* D (Deploy SD-WAN edge routers in data center, then controllers, then branches):This allows the SD-WAN fabric to be built and stabilized centrally first, then controllers are brought online for policy orchestration, and finally, branch migrations happen gradually without impacting existing traffic paths.
Other options explained:
* A/B/C: These approaches risk service disruption or poor controller orchestration readiness during branch migrations.


NEW QUESTION # 544
......

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