20+ practice questions focused on Planning And Design — one of the most tested topics on the Certified SD-WAN Engineer (SD-WAN-Engineer) exam. Each question includes a detailed explanation so you learn why the right answer is correct.
Start Planning And Design PracticeYou are configuring a branch site with a dual-ISP setup. What is the correct order of operations for defining transport interfaces?
Explanation: Interfaces must be defined in the inventory, then assigned as transport in the site configuration.
A customer wants to deploy a Hub-and-Spoke model with redundant hubs. What must be configured to ensure seamless transition if the primary hub fails?
Explanation: Configuring redundant hubs in the controller allows the spokes to fail over to the secondary hub automatically.
Which command or interface path is used to verify the status of the SD-WAN tunnel between two branch sites?
Explanation: The Dashboard or the 'show' commands in the CLI allow for tunnel status verification.
You are troubleshooting a performance issue where traffic is not taking the expected 'optimal' path. Which tool should you examine first to see the PFR path selection decision?
Explanation: Application Performance Logs are the primary source for PFR (Performance Routing) path selection decisions because they record the real-time metrics (latency, jitter, packet loss, MOS) that the PFR engine uses to evaluate and choose the best path for each application. These logs show the before-and-after path decisions, the reason for a switch (e.g., threshold breach), and the specific policy that triggered the action. Unlike generic system or audit logs, they are application-aware and directly tied to the PFR decision process, making them the first place to look when traffic is not taking the expected optimal path.
You need to allow direct internet access for SaaS applications from the branch site. What is the correct term for this configuration?
Explanation: Local Internet Breakout (LIB) is the feature that allows traffic to bypass the hub and go directly to the internet.
+15 more Planning And Design questions available
Practice all Planning And Design questions1. Baseline your knowledge
Start with 10 questions to gauge your current understanding of Planning And Design. This tells you whether you need a concept refresher or just practice.
2. Review every explanation
For each question — right or wrong — read the full explanation. Understanding why an answer is correct is more valuable than knowing the answer itself.
3. Focus on exam traps
Planning And Design questions on the SD-WAN-Engineer frequently use trap wording. Look for subtle differences in answers that test your precision, not just general knowledge.
4. Reach 80% consistently
Do repeated sessions until you score 80%+ three times in a row. Then move to mixed-mode practice to test cross-topic recall under realistic conditions.
The exact number varies per candidate. Planning And Design is tested as part of the Certified SD-WAN Engineer (SD-WAN-Engineer) blueprint. Practicing with targeted Planning And Design questions ensures you can handle any format or difficulty that appears.
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