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Cisco 400-007 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: 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 2: 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
Topic 3: Security Design15%- Design secure perimeter and edge boundaries
  • 1. Enterprise cryptography architectures and VPN frameworks
  • 2. Firewall and Intrusion Prevention System deployment modes
- Design secure infrastructure controls
  • 1. Layer 2 and Layer 3 security defense mechanisms
  • 2. Network virtualization security and microsegmentation
Topic 4: 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. Network visibility, telemetry, and logging infrastructures
  • 2. End-to-end Quality of Service policies
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. WAN transport technologies including MPLS, Layer 3 VPN, and Metro Ethernet
  • 2. Data center interconnect solutions
  • 3. Software-Defined WAN design implementations

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Cisco Certified Design Expert (CCDE) Written Exam Sample Questions (Q67-Q72):

NEW QUESTION # 67
Which two mechanisms avoid suboptimal routing in a network with dynamic mutual redistribution between multiple OSPFv2 and EIGRP boundaries? (Choose two.)

Answer: C,D

Explanation:
Mutual redistribution between different routing protocols can cause routing loops and suboptimal routing due to:
* Route feedback loops (routes being re-imported back into the originating protocol).
* Inconsistent administrative distances (AD) leading to selection of suboptimal paths.
Two key mechanisms avoid these issues:
* A. Administrative Distance (AD) manipulation: Ensures that one protocol is consistently preferred over the other when duplicate routes exist.
* C. Route tagging: Assigns tags to redistributed routes to identify the source of the route and prevent re- importation (looping) into the originating protocol.
These methods align with CCDE v3.1 principles for multi-protocol control plane design and stability.
Why other options are incorrect:
* B & F: Matching routes or process IDs do not directly prevent loops or suboptimal routing.
* D is a duplicate of C.
* E: Filtering helps but is reactive, not a comprehensive prevention mechanism.
-


NEW QUESTION # 68
An aerospace firm is considering implementing AI and ML systems to boost output while decreasing line downtime Optimal maintenance schedules and failure prediction of equipment are the end goals To meet this business demand, which AI/ML solution would be the most effective in boosting productivity and decreasing downtime?

Answer: D


NEW QUESTION # 69
Refer to the table.

A customer investigates connectivity options for a DCI between two production data centers to aid a large-scale migration project. The solution must provide a single 10G connection between locations and be able to run its own varying QoS profiles without service provider interaction based on the migration stages. All connectivity methods are at 10 Gbps. Which transport technology costs the least if the connectivity is required for just one year?

Answer: D


NEW QUESTION # 70
As more links are added to a network, the control plane slows down due to more data to process. As redundancy increases, MTTR also increases. Which risk increases along with the higher MTTR?

Answer: D

Explanation:
# Explanation:
C: As MTTR (Mean Time to Repair) increases due to complex topologies and control plane delays, the likelihood of experiencing overlapping outages (i.e., a second failure occurring before the first is resolved) also increases. This can cascade into a wider outage.
Other options:
A: Management visibility isn't directly affected by MTTR.
B: Data plane convergence is generally fast and not as affected as control plane convergence.
D: Topology changes may still be detected quickly, but the reaction time (recovery) is delayed.
#


NEW QUESTION # 71
A customer has a functional requirement that states HR systems within a data center should be segmented from other systems that reside in the same data center and same VLAN. The systems run legacy applications by using hard-coded IP addresses. Which segmentation method is suitable and scalable for the customer?

Answer: D


NEW QUESTION # 72
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