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Cisco 400-007 Exam Syllabus Topics:

SectionWeightObjectives
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
Network Design30%- Design resilient and scalable campus architectures
  • 1. Layer 2 and Layer 3 boundary definitions
  • 2. High availability techniques and fast convergence mechanisms
- 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. 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
- 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. Infrastructure as Code tool adoption
  • 2. Data parsing structures using JSON and XML formats
- 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
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

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Cisco Certified Design Expert (CCDE) Written Exam Sample Questions (Q176-Q181):

NEW QUESTION # 176
A company uses equipment from multiple vendors in a data center fabric to deliver SDN, enable maximum flexibility, and provide the best return on investment. Which YANG data model should be adopted for comprehensive features to simplify and streamline automation for the SDN fabric?

Answer: B

Explanation:
* B (OpenConfig):OpenConfig YANG models are vendor-neutral, community-driven standards designed to simplify multi-vendor network automation and interoperability - ideal for heterogeneous SDN fabrics.
Other options explained:
* A: Proprietary models limit flexibility and interoperability.
* C: Native models are vendor-specific.
* D: IETF YANG models exist but are not as comprehensive for full operational SDN automation as OpenConfig.


NEW QUESTION # 177
Refer to the exhibit.

ACME Mining has four data centers in Santiago. Cape Town. Mumbai, and Beijing, full-mesh connected via a 400 Mb/s EVP-LAN They want to deploy a new mission-critical application with these requirements:
cluster heartbeat 2 Mb/s continuous (250 KB/s)
cluster heartbeat one-way maximum latency 100 ms
These are the current ping tests results between the four data centers:

Which hosting data center pair can host the new application?

Answer: C


NEW QUESTION # 178
According to the CIA triad principles for network security design, which principle should be priority for a Zero Trust network?

Answer: D

Explanation:
* A (Encryption + strong authentication) aligns most closely with Zero Trust's emphasis on always verifying identity and protecting data as it moves across untrusted networks.
* Data-in-motion encryption ensures confidentiality, and two-factor authentication ensures strict identity verification.
Why other options are incorrect:
* B: Data-at-rest encryption is important but not as critical as controlling data in motion for Zero Trust.
* C: Categorization helps in segmentation but is not the core Zero Trust principle.
* D: High availability is a design requirement, not the primary Zero Trust security control.
-


NEW QUESTION # 179
You are designing an Out of Band Cisco Network Admission Control. Layer 3 Real-IP Gateway deployment for a customer Which VLAN must be trunked back to the Clean Access Server from the access switch?

Answer: B


NEW QUESTION # 180
Company XYZ is in the process of identifying which transport mechanism(s) to use as their WAN technology. Their main two requirements are.
* a technology that could offer DPI, SLA, secure tunnels, privacy, QoS, scalability, reliability, and ease of management
* a technology that is cost-effective
Which WAN technology(ies) should be included in the design of company XYZ?

Answer: A


NEW QUESTION # 181
......

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