Free PDF 2026 Cisco 400-007: Cisco Certified Design Expert (CCDE) Written Exam–Efficient Braindumps Torrent

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Cisco 400-007 Exam Syllabus Topics:

SectionWeightObjectives
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. Software-Defined WAN design implementations
  • 3. WAN transport technologies including MPLS, Layer 3 VPN, and Metro Ethernet
Control, Data, Management Plane and Operational Design25%- 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
- Design data plane transport and management plane strategies
  • 1. End-to-end Quality of Service policies
  • 2. Network visibility, telemetry, and logging infrastructures
Business Strategy Design15%- Evaluate project management methodologies impact
  • 1. Waterfall framework implementation constraints
  • 2. Agile framework and iterative lifecycle alignment
- 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
Security Design15%- Design secure infrastructure controls
  • 1. Network virtualization security and microsegmentation
  • 2. Layer 2 and Layer 3 security defense mechanisms
- Design secure perimeter and edge boundaries
  • 1. Firewall and Intrusion Prevention System deployment modes
  • 2. Enterprise cryptography architectures and VPN frameworks
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

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Cisco Certified Design Expert (CCDE) Written Exam Sample Questions (Q441-Q446):

NEW QUESTION # 441
Which DCI technology utilizes a "flood and learn" technique to populate the Layer2 forwarding table?

Answer: C


NEW QUESTION # 442
An IT service provider is upgrading network infrastructure to comply with PCI security standards.
The network team finds that 802.1X and VPN authentication based on locally-significant certificates are not available on some legacy phones.
Which workaround solution meets the requirement?

Answer: B


NEW QUESTION # 443
Which architecture does not require an explicit multicast signaling protocol, such as PIM or P2MP, to signal the multicast state hop-by-hop, but instead uses a link state protocol to advertise the multicast forwarding state?

Answer: A

Explanation:
* Bit Indexed Explicit Replication (BIER) eliminates the need for traditional multicast signaling protocols such as PIM.
* BIER uses IGP extensions (e.g., OSPF or ISIS) to advertise BIER forwarding state.
* The BIER header contains a bit-string indicating directly which receivers should receive the multicast packet, removing the need to build trees via signaling.
This design is emphasized in CCDE v3.1 as a significant advancement for efficient, scalable multicast in large modern service provider and enterprise networks.
Why other options are incorrect:
* A, B, D: These options are invalid or fictitious terms in multicast protocol standards.


NEW QUESTION # 444
When a company network architect is working on a new network design, they are expected to ensure that business requirements and technical aspects are factored in, but often there are other factors that comes into play as well Which non-business constraint must also be considered throughout the design phase?

Answer: A


NEW QUESTION # 445
Company XYZ wants to improve the security design of their network to include protection from reconnaissance and DoS attacks on their sub interfaces destined toward next hop routers.
Which technology can be used to prevent these types of attacks?

Answer: B


NEW QUESTION # 446
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