Cisco : 400-007 Questions & Answers

Last Updated: Nov 09, 2026

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Your calendar is already full — work, family, everything in between. ActualTorrent built its Cisco Certified Design Expert (CCDE) Written material for exactly that reality: 400-007 practice questions that turn scattered half-hours into measurable progress.

Cisco 400-007 Exam Overview:

Certification Vendor:Cisco
Exam Name:CCDE Written Exam
Exam Number:400-007
Related Certifications:Cisco Certified Design Expert (CCDE)
Real Exam Qty:90–110 (approx.)
Certificate Validity Period:3 years
Exam Duration:120 minutes
Exam Format:Multiple answer, Multiple choice
Exam Price:$400 USD (approx.)
Available Languages:English
Recommended Training:Cisco Learning Network
Cisco CCDE Official Training
Exam Registration:CCDE Certification Overview
Cisco Certification Portal
Sample Questions: DOWNLOAD DEMO
Exam Way:Computer-based exam (online proctored or authorized testing center)
Pre Condition:No formal prerequisite, but CCNP-level knowledge and extensive network design experience are strongly recommended.
Official Syllabus URL:https://www.cisco.com/c/en/us/training-events/training-certifications/certifications/expert/ccde.html

Cisco 400-007 Exam Syllabus Topics:

SectionObjectives
Topic 1: MPLS and VPN Architectures- VPN design
  • 1. L3VPN and L2VPN design models
    • 2. Multi-site connectivity strategies
      - MPLS fundamentals
      • 1. MPLS scalability design
        • 2. Label switching architecture
          Topic 2: Network Design Methodology and Principles- Requirements gathering and analysis
          • 1. Business and technical constraints
            • 2. Stakeholder requirements mapping
              - Design lifecycle and methodology
              • 1. Design phases and validation approaches
                • 2. Trade-off analysis techniques
                  Topic 3: Routing and Path Control- Traffic engineering
                  • 1. Policy-based routing considerations
                    • 2. Path optimization techniques
                      - Routing protocol design
                      • 1. BGP policy and scalability
                        • 2. OSPF / IS-IS architecture
                          Topic 4: Infrastructure Design (Layer 2 / Layer 3)- Layer 3 design
                          • 1. IGP selection and design
                            • 2. IP addressing and summarization
                              - Layer 2 technologies
                              • 1. Ethernet scaling and segmentation
                                • 2. Spanning Tree design considerations
                                  Topic 5: End-to-End Enterprise Architecture Scenarios- Service integration
                                  • 1. Hybrid connectivity design
                                    • 2. Migration and transformation strategies
                                      - Large-scale enterprise design
                                      • 1. High availability and redundancy
                                        • 2. Scalability and resiliency trade-offs
                                          Topic 6: Multicast and Advanced Services- Network services
                                          • 1. QoS design principles
                                            • 2. Security integration in design
                                              - Multicast design
                                              • 1. Multicast distribution models
                                                • 2. PIM architecture and scaling

                                                  400-007 Exam FAQ: Straight Answers from ActualTorrent

                                                  The 400-007 exam is Cisco's official assessment for the Cisco Certified Design Expert (CCDE) certification, positioned at the Expert level. It measures whether you can apply the Cisco Certified Design Expert (CCDE) Written skills in practical, job-like situations — which is why rote memorization alone rarely gets candidates across the line. The credential fits into a wider Cisco certification path that includes Cisco Certified Design Expert (CCDE), so passing it opens more than one door. Think of the 400-007 exam as the point where your preparation becomes a qualification employers can verify.

                                                  The Cisco Certified Design Expert (CCDE) Written syllabus is organized into 6 domains, beginning with End-to-End Enterprise Architecture Scenarios, MPLS and VPN Architectures, and Infrastructure Design (Layer 2 / Layer 3). Those percentages are your study budget: a domain carrying a larger share of the score deserves a matching share of your hours. The full domain-by-domain breakdown is in the exam topics section above — work from that, not from habit.

                                                  You'll have 120 minutes to complete 90–110 (approx.) questions on the Cisco Certified Design Expert (CCDE) Written exam. Before test day, convert those numbers into a per-question time budget — then defend it. When a single question starts eating double its share, mark it, move on, and return with whatever time remains. Two or three full timed runs in the ActualTorrent test engine will make that discipline automatic; its built-in timer records every attempt so you can watch your pace improve session by session.

                                                  Cisco lists the Cisco Certified Design Expert (CCDE) Written question formats as: Multiple choice, Multiple answer. Each format has its own trap. With scenario items, the actual question hides at the end of a long stem — read the last sentence first, then work back through the details. With elimination-friendly formats, cross out what you can disprove before committing. The ActualTorrent question bank lets you rehearse every format until the mechanics feel boring, which is exactly where you want to be on exam day.

                                                  You can sit the Cisco Certified Design Expert (CCDE) Written exam in English. Go with whichever language you process fastest under pressure — comprehension speed quietly decides close exams. If English is your choice, working through ActualTorrent's 550 English-language practice questions doubles as terminology drills, so the exam's phrasing reads like a familiar accent instead of a foreign one.

                                                  Once you pass the Cisco Certified Design Expert (CCDE) Written exam, your credential stays valid for 3 years. Don't let that date ambush you — mark it on a calendar now, and look into the recertification path well before expiry so renewal is a planned errand rather than an emergency. Recertification rules belong to Cisco and do change, so verify the current policy on the official certification page.

                                                  All three versions contain the same 550 expert-written practice questions — you're choosing a study style, not a syllabus:

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                                                  Short on time? The test engines' automatic performance reports show you which topics still bleed points, so your remaining hours land where they matter.

                                                  Of course. ActualTorrent publishes a free PDF demo for the Cisco Certified Design Expert (CCDE) Written exam, and the software version offers a free trial experience, so you can evaluate the question quality hands-on before spending a cent. When you do buy, 365 days of free updates come with the purchase — and after that year, extending your update service costs only 50% of the regular price, right from your member zone.

                                                  Cisco revises its exams as the technology moves, so ActualTorrent reviews and refreshes the Cisco Certified Design Expert (CCDE) Written material on a continuous basis rather than on a fixed schedule. Your purchase includes 365 days of free updates, delivered through your member zone. To catch new releases, watch the New Releases section on ActualTorrent, your product's download page, or the ActualTorrent newsletter — and make one final check 3-4 days before your exam date. Expired products can be repurchased at 50% off to restart the update service.

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                                                  Cisco Certified Design Expert (CCDE) Written Sample Questions:

                                                  Question #1

                                                  Even with two different device platforms that support NETCONF or any other common transport method it does not mean they are compatible from a tooling and/or a developer's perspective What is required to get the compatibility?

                                                  • A. Both devices must use a common data modeling language
                                                  • B. Both devices must support the same NETCONF features
                                                  • C. Both devices should have vendor-specific interoperability
                                                  • D. Both devices must use the same versions of NETCONF
                                                  Reveal Solution  Discussion  0

                                                  Correct Answer: B  🗳️

                                                  Question #2

                                                  SD-WAN can be used to provide secure connectivity to remote offices, branch offices, campus networks, data centers, and the cloud over any type of IP-based underlay transport network. Which two statements describe SD-WAN solutions? (Choose two.)

                                                  • A. Improved operational efficiencies result in cost savings.
                                                  • B. Solutions include centralized orchestration, control, and zero-touch provisioning.
                                                  • C. SD-WAN networks are inherently protected against slow performance.
                                                  • D. Solutions allow for variations of commodity and specialized switching hardware.
                                                  • E. Control and data forwarding planes are kept separate.
                                                  Reveal Solution  Discussion  0

                                                  Correct Answer: A,B  🗳️

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                                                  Question #3

                                                  Resilient technology needs to be agile, scalable flexible recoverable and interoperable Resilient technology is critical in maintaining uninterrupted services for customers and servicing them during peak times What is additionally required besides resilient infrastructure to keep an organization functioning in the event of a cyberattack data corruption catastrophic system failure, or other types of incidents?

                                                  • A. enhanced and decentralized stack system
                                                  • B. increased visibility and transparency
                                                  • C. power efficient and performing at capacity
                                                  • D. high data quality and recoverability
                                                  Reveal Solution  Discussion  0

                                                  Correct Answer: D  🗳️

                                                  Question #4

                                                  With virtualization applied throughout the network, every physical link may carry one or more virtual links.
                                                  What is a key drawback of this?

                                                  • A. Fate sharing
                                                  • B. Unneeded tunneling
                                                  • C. Bandwidth utilization
                                                  • D. Serialization delay
                                                  Reveal Solution  Discussion  0

                                                  Correct Answer: A  🗳️

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                                                  Question #5

                                                  Two routers R1 and R2 are directly connected through an Ethernet link. Both routers are running OSPF over the Ethernet link and OSPF has been registered with BFD. R1 has been set up to transmit BFD at a 50 ms interval, but R2 can receive only at a 100 ms rate due to platform limitations. What does this mean?

                                                  • A. After the initial timer exchange, R2 sets its transmission rate to the R1 Desired Min TX interval
                                                  • B. After the initial timer exchange, R1 sets its transmission rate to the R2 Required Min RX interval
                                                  • C. R2 sets the P-bit on all BFD control packets until R2 sends a packet with the F-bit set
                                                  • D. Timers renegotiate indefinitely, so the timer exchange phase never converges
                                                  Reveal Solution  Discussion  0

                                                  Correct Answer: B  🗳️

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