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Last Updated: Sep 23, 2026

No. of Questions: 550 Questions & Answers with Testing Engine

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Cisco 400-007 Practice Q&A's

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Certification content shifts with the industry, and TopExamCollection shifts with it. Our experts compile and refresh the 400-007 bank according to current trends, so the Cisco Certified Design Expert (CCDE) Written questions you practice reflect what the exam actually asks in 2026.

Cisco 400-007 Exam Overview:

Certification Vendor:Cisco
Exam Name:CCDE Written Exam
Exam Number:400-007
Exam Price:$400 USD (approx.)
Related Certifications:Cisco Certified Design Expert (CCDE)
Certificate Validity Period:3 years
Exam Duration:120 minutes
Exam Format:Multiple answer, Multiple choice
Real Exam Qty:90–110 (approx.)
Available Languages:English
Recommended Training:Cisco CCDE Official Training
Cisco Learning Network
Exam Registration:Cisco Certification Portal
CCDE Certification Overview
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
End-to-End Enterprise Architecture Scenarios- Large-scale enterprise design
  • 1. High availability and redundancy
    • 2. Scalability and resiliency trade-offs
      - Service integration
      • 1. Hybrid connectivity design
        • 2. Migration and transformation strategies
          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
                  MPLS and VPN Architectures- VPN design
                  • 1. L3VPN and L2VPN design models
                    • 2. Multi-site connectivity strategies
                      - MPLS fundamentals
                      • 1. Label switching architecture
                        • 2. MPLS scalability design
                          Network Design Methodology and Principles- Requirements gathering and analysis
                          • 1. Stakeholder requirements mapping
                            • 2. Business and technical constraints
                              - Design lifecycle and methodology
                              • 1. Design phases and validation approaches
                                • 2. Trade-off analysis techniques
                                  Infrastructure Design (Layer 2 / Layer 3)- Layer 2 technologies
                                  • 1. Spanning Tree design considerations
                                    • 2. Ethernet scaling and segmentation
                                      - Layer 3 design
                                      • 1. IP addressing and summarization
                                        • 2. IGP selection and design
                                          Multicast and Advanced Services- Network services
                                          • 1. Security integration in design
                                            • 2. QoS design principles
                                              - Multicast design
                                              • 1. Multicast distribution models
                                                • 2. PIM architecture and scaling

                                                  Before You Book the 400-007 Exam: Key Facts

                                                  Immediately after checkout, your download link appears on screen and an automatic email with the materials lands in your inbox in about a minute. You can install the software on as many devices as you need, and if the email has not arrived within two hours, our support team will step in. Every purchase includes 365 days of free updates — each revision is compiled in step with current exam trends and emailed to you automatically — followed by a 50% renewal discount when the period ends.

                                                  A professional team, for one thing. Our experts compile the 400-007 bank in step with current exam trends, every answer is expert-verified, and there are no amateurs in the group — career-elite advisors also stand by with progress advice when you need direction. Just as important is the relationship: we stay in close contact with users, fold their feedback into every revision, and back each Cisco Certified Design Expert (CCDE) Written purchase with a free demo, 365 days of free updates, and a clearly stated refund policy.

                                                  Cisco points candidates toward these official training options:

                                                  Combine a course that fits your schedule with regular question practice for the steadiest progress.

                                                  Cisco sets the following prerequisites for the Cisco Certified Design Expert (CCDE) Written: No formal prerequisite, but CCNP-level knowledge and extensive network design experience are strongly recommended..

                                                  Confirm the current requirements on the official certification page before booking.

                                                  The Cisco Certified Design Expert (CCDE) Written blueprint is organized into these main domains:

                                                  • Network Design Methodology and Principles
                                                  • Routing and Path Control
                                                  • MPLS and VPN Architectures

                                                  Further domains complete the official outline, and our question bank spans all of them.

                                                  Registration runs through the official channels listed here:

                                                  Choose a test center or online appointment that fits your calendar, and book ahead to lock in your preferred date.

                                                  We take responsibility for our materials. If you fail the corresponding exam within 60 days of purchase, send us a scanned copy of your enrollment slip and your official Score Report PDF within two days of the exam date, and we will process a full refund within seven days of verification. Please note the exclusions: exams taken within three days of purchase are not eligible, the candidate name must match the payer, and free or expired products are not covered. If you would rather switch direction, we can exchange your product for two others of equal value instead.

                                                  According to the latest exam information, the 400-007 exam contains 90–110 (approx.) questions and runs for 120 minutes minutes. Timing yourself during practice sessions is a smart habit — pacing problems sink more candidates than knowledge gaps.

                                                  Cisco Certified Design Expert (CCDE) Written Sample Questions:

                                                  Question #1

                                                  An MPLS service provider is offering a standard EoMPLS-based VPLS service to Customer A, providing Layer 2 connectivity between a central site and approximately 100 remote sites. Customer A wants to use the VPLS network to carry its internal multicast video feeds which are sourced at the central site and consist of 20 groups at Mbps each. Which service provider recommendation offers the most scalability?

                                                  • A. EoMPLS-based VPLS can carry multicast traffic in a scalable manner
                                                  • B. Enable snooping mechanisms on the provider PE routers
                                                  • C. Use a mesh of GRE tunnels to carry the streams between sites
                                                  • D. Replace VPLS with a Layer 3 MVPN solution to carry the streams between sites
                                                  Reveal Solution  Discussion  0

                                                  Correct Answer: D  🗳️

                                                  Explanation: Only visible for TopExamCollection members. You can sign-up / login (it's free).

                                                  Question #2

                                                  Your company uses various transport types (PPPoE, IPsec, GRE). Which solution helps improve efficiency over these networks?

                                                  • A. OATM
                                                  • B. IRDP
                                                  • C. Host Discovery Protocol
                                                  • D. PMTUD
                                                  Reveal Solution  Discussion  0

                                                  Correct Answer: D  🗳️

                                                  Explanation: Only visible for TopExamCollection members. You can sign-up / login (it's free).

                                                  Question #3

                                                  VPLS is implemented in a Layer 2 network with 2000 VLANs. What is the primary concern to ensure successful deployment of VPLS?

                                                  • A. Flooding is necessary to propagate MAC address reachability information
                                                  • B. PE scalability
                                                  • C. The underlying transport mechanism
                                                  • D. VLAN scalability
                                                  Reveal Solution  Discussion  0

                                                  Correct Answer: B  🗳️

                                                  Explanation: Only visible for TopExamCollection members. You can sign-up / login (it's free).

                                                  Question #4

                                                  What is the most important operational driver in building a resilient and secure modular network design?

                                                  • A. Dependencies on hardware or software that is difficult to scale
                                                  • B. Minimize app downtime
                                                  • C. Increase time spent on developing new features
                                                  • D. Reduce the frequency of failures requiring human intervention
                                                  Reveal Solution  Discussion  0

                                                  Correct Answer: D  🗳️

                                                  Explanation: Only visible for TopExamCollection members. You can sign-up / login (it's free).

                                                  Question #5

                                                  If the desire is to connect virtual network functions together to accommodate different types of network service connectivity, what must be deployed?

                                                  • A. Daisy Chaining
                                                  • B. Linking
                                                  • C. Bridging
                                                  • D. Service Chaining
                                                  • E. Switching
                                                  Reveal Solution  Discussion  0

                                                  Correct Answer: D  🗳️

                                                  Explanation: Only visible for TopExamCollection members. You can sign-up / login (it's free).

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