CCDE written exam
Proctored selected-response exam combining direct knowledge checks with product, architecture, implementation, analysis, and troubleshooting scenarios.
- Type
- Written
- Delivery
- Both
- Duration
- 120 min
Exam sections
Expert Network Design
Expert Network Design focuses on the concepts, workflows, configuration decisions, and operational outcomes associated with Expert Network Design. The useful preparation boundary is not only what each item means, but how it changes planning, implementation, analysis, or support decisions in expert network design, business and technical requirements, architecture trade-offs, resiliency, security, and implementation planning. The expected depth is the depth needed to support expert network design, business and technical requirements, architecture trade-offs, resiliency, security, and implementation planning, not merely define the listed terms.
Question notes
Questions can move between planning and operations, requiring candidates to recognize prerequisites, select a method, and anticipate how the completed change should be validated. The strongest answer should remain consistent with the wider goal of expert network design, business and technical requirements, architecture trade-offs, resiliency, security, and implementation planning.
Preparation tips
Study Expert Network Design through comparison. Contrast the main options, record their prerequisites and trade-offs, and practice selecting between them from short requirements instead of memorizing feature lists. Record one concrete example you could discuss in an interview for CCDE.
Business
The official outline places the concepts, workflows, configuration decisions, and operational outcomes associated with Business within Business. Candidates need to understand how the pieces relate, when each one is relevant, and what a sound result looks like in the context of Cisco Design technologies. The expected depth is the depth needed to support expert network design, business and technical requirements, architecture trade-offs, resiliency, security, and implementation planning, not merely define the listed terms.
Question notes
The assessment may connect configuration intent with resulting behavior. Candidates should understand how changes in Business become visible through status, telemetry, policy evaluation, or user experience. When context is ambiguous, prefer the interpretation that fits Cisco Design technologies guidance and the stated scenario outcome.
Preparation tips
Build a small scenario around Business, perform or diagram the relevant workflow, then explain why each choice is appropriate and what evidence would reveal a mistake. Use the official subtopics as a checklist after the exercise. Retest the same skill from an operator, designer, or customer perspective that matches CCDE.
Technical Requirements
The official outline places the concepts, workflows, configuration decisions, and operational outcomes associated with Technical Requirements within Technical Requirements. Candidates need to understand how the pieces relate, when each one is relevant, and what a sound result looks like in the context of Cisco Design technologies. That context distinguishes Technical Requirements knowledge from generic familiarity with Cisco Design technologies.
Question notes
Scenario questions may omit irrelevant implementation detail while preserving the requirement that decides the answer. Identify that deciding constraint before comparing the available options. A correct response should address the whole requirement without introducing conflict elsewhere in the CCDE scope.
Preparation tips
Connect Technical Requirements to a real project or reference architecture. Identify where the official subtopics appear, which assumptions the design makes, and what would change under a different scale or risk profile. Keep the final notes organized under Technical Requirements so gaps remain traceable to the published outline.
Architecture Trade-Offs
In this part of the assessment, candidates work with the concepts, workflows, configuration decisions, and operational outcomes associated with Architecture Trade-Offs. The emphasis is on usable understanding: selecting, explaining, implementing, or troubleshooting the relevant Cisco Design technologies behavior in context. Its place in CCDE becomes clearer when candidates follow inputs and outcomes into Resiliency.
Question notes
This area rewards precise reading: plausible distractors often describe a valid feature used in the wrong layer, sequence, role, or operating condition. Anchor your response in the Architecture Trade-Offs scope published for CCDE written exam.
Preparation tips
Build a small scenario around Architecture Trade-Offs, perform or diagram the relevant workflow, then explain why each choice is appropriate and what evidence would reveal a mistake. Use the official subtopics as a checklist after the exercise. Record one concrete example you could discuss in an interview for CCDE.
Resiliency
Resiliency assesses working knowledge of the concepts, workflows, configuration decisions, and operational outcomes associated with Resiliency. A strong response accounts for the stated goal, the surrounding environment, and the operational effect of the selected Cisco Design technologies approach. Candidates should relate this material to Security wherever the workflow crosses domain boundaries.
Question notes
Scenario questions may omit irrelevant implementation detail while preserving the requirement that decides the answer. Identify that deciding constraint before comparing the available options. For CCDE, this domain should be interpreted alongside Security, not as a disconnected topic.
Preparation tips
Connect Resiliency to a real project or reference architecture. Identify where the official subtopics appear, which assumptions the design makes, and what would change under a different scale or risk profile. Compare your explanation with the provider's terminology before treating the topic as complete.
Security
Security assesses working knowledge of the concepts, workflows, configuration decisions, and operational outcomes associated with Security. A strong response accounts for the stated goal, the surrounding environment, and the operational effect of the selected Cisco Design technologies approach. In CCDE written exam, the topic belongs to a broader assessment of expert network design, business and technical requirements, architecture trade-offs, resiliency, security, and implementation planning.
Question notes
Expect the assessment to probe distinctions between closely related options and to place Security inside scenarios where requirements determine the best response. When context is ambiguous, prefer the interpretation that fits Cisco Design technologies guidance and the stated scenario outcome.
Preparation tips
Build a small scenario around Security, perform or diagram the relevant workflow, then explain why each choice is appropriate and what evidence would reveal a mistake. Use the official subtopics as a checklist after the exercise. Retest the same skill from an operator, designer, or customer perspective that matches CCDE.
Implementation Planning
Implementation Planning assesses working knowledge of the concepts, workflows, configuration decisions, and operational outcomes associated with Implementation Planning. A strong response accounts for the stated goal, the surrounding environment, and the operational effect of the selected Cisco Design technologies approach. For CCDE, the practical connection to Expert Network Design is especially worth tracing.
Question notes
The domain can appear through direct knowledge checks as well as short operational or design scenarios; pay close attention to scope, constraints, and the action verb in each prompt. For CCDE, this domain should be interpreted alongside Expert Network Design, not as a disconnected topic.
Preparation tips
Connect Implementation Planning to a real project or reference architecture. Identify where the official subtopics appear, which assumptions the design makes, and what would change under a different scale or risk profile. Then connect the exercise to Expert Network Design so preparation covers the handoff between domains.
