Quiz 2026 Cisco 400-007: First-grade Cisco Certified Design Expert (CCDE) Written Exam Valid Practice Questions

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Cisco 400-007 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Business Strategy Design	15%	- 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
Topic 2: Security Design	15%	- 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
Topic 3: Network Design	30%	- 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. Software-Defined WAN design implementations 2. Data center interconnect solutions 3. WAN transport technologies including MPLS, Layer 3 VPN, and Metro Ethernet
Topic 4: Control, Data, Management Plane and Operational Design	25%	- 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. Multicast routing designs and protocol options 2. IPv4 and IPv6 dual-stack infrastructure transitions 3. Unicast routing protocols including OSPF, EIGRP, IS-IS, and BGP
Topic 5: Service Design	15%	- 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 - Incorporate automation and network programmability 1. Data parsing structures using JSON and XML formats 2. Infrastructure as Code tool adoption

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Cisco Certified Design Expert (CCDE) Written Exam Sample Questions (Q225-Q230):

NEW QUESTION # 225
In order to achieve key business objectives, the design team of a hosting provider has identified a series of objectives in their cloud computing environments
*Customer data privacy and protection against external vulnerabilities must be improved.
*Access to sensitive data must be monitored and relevant regulations must be adhered to.
*Use data analyzing to optimize operations and business decision-making Which step must be take to meet these requirements?

A. Reducing rework and empowering data engineers to apply data governance policies more consistently throughout the IT infrastructure.
B. Apply data governance policies that depend on role-based access controls
C. Expand the ability to capture and store data with manual and well-defined methods of governing data.
D. Enhance auditing and reporting capabilities of the design team to reveal authentication and authorization of data access.

Answer: B

NEW QUESTION # 226

Refer to the exhibit Which two design options reduce the size of OSPF database in the shown topology?
(Choose two.)

A. Layer 2 link aggregation between core switches
B. type 3 LSA filtering
C. incremental SPF
D. Loop Free Alternate
E. prefix suppression

Answer: B,E

NEW QUESTION # 227
Drag and drop the characteristics from the left onto the corresponding network management options on the right.

Answer:

Explanation:

NEW QUESTION # 228
Company XYZ is designing the network for IPv6 security and they have these design requirements:
- A switch or router must deny access to traffic from sources with addresses that are correct, but are topologically incorrect
- Devices must block Neighbor Discovery Protocol resolution for destination addresses that are not found in the binding table.
Which two IPv4 security features are recommended for this company? (Choose two)

A. IPv6 Destination Guard
B. IPv6 Prefix Guard
C. IPv6 RA Guard
D. IPv6 Source Guard
E. IPv6 DHCP Guard

Answer: A,B

Explanation:
IPv6 source guard is an interface feature between the populated binding table and data traffic filtering. This feature enables the device to deny traffic when it is originated from an address that is not stored in the binding table.
The IPv6 Destination Guard feature works with IPv6 neighbor discovery to ensure that the device performs address resolution only for those addresses that are known to be active on the link. It relies on the address glean functionality to populate all destinations active on the link into the binding table and then blocks resolutions before they happen when the destination is not found in the binding table.
The IPv6 Prefix Guard feature works within the IPv6 Source Guard feature, enabling the device to deny traffic originated from nontopologically correct addresses.
https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/ipv6_fhsec/configuration/xe-16/ip6f-xe-16- book/ip6-src-guard.html

NEW QUESTION # 229
Refer to the diagram. Which solution must be used to send traffic from the foreign wireless LAN controller to the anchor wireless LAN controller?

A. Send packets from the foreign controller to the anchor controller via IPinIP or IPsec tunnel.
B. Encapsulate packets into an EoIP tunnel and send them to the anchor controller.
C. Send packets without encapsulation to the anchor controller over the routed network.
D. Send packets from the foreign controller to the anchor controller via Layer 3 MPLS VPN or VRF- Lite

Answer: B

NEW QUESTION # 230
......

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