SD-WAN-Engineer · domain
Troubleshooting
Practise Certified SD-WAN Engineer (SD-WAN-Engineer) Troubleshooting practice questions — original exam-style scenarios with answer choices, explanations, and analysis of common mistakes.
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What to know about Troubleshooting
Troubleshooting questions test whether you can apply the concept in context, not just recognise a definition.
How the topic appears in realistic exam-style scenarios.
Which detail in the question changes the correct answer.
How to eliminate plausible but wrong options.
How to connect the question back to the wider exam objective.
Watch out for
Common Troubleshooting exam traps
- ▸Answering from memory before reading the full scenario.
- ▸Missing a constraint such as cost, availability, security, scope or command context.
- ▸Choosing a broad answer when the question asks for the most specific fix.
- ▸Ignoring why the wrong options are tempting.
Question index
All Troubleshooting questions (37)
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If an ION device is not receiving DHCP addresses from an upstream provider, where should you look first?
Medium2What does the 'Flow Monitor' tool primarily track?
Easy3You notice an ION device is showing as 'Disconnected' in the Controller UI. What is the first step you should take?
Easy4Which THREE pieces of information are critical when opening a support ticket for a suspected SD-WAN bug?
Hard5A specific branch is failing to steer traffic via the preferred ISP despite a defined Path Policy. What is the most likely cause?
Medium6Which mechanism would explain why traffic is taking a sub-optimal path despite a policy favoring a different link?
Hard7Which TWO factors contribute to the 'Path Health' score?
Medium8A user reports that a specific SaaS application is being blocked, but no security policy matches are seen. What is the most likely cause?
Hard9Which TWO metrics are displayed in the Path Quality dashboard?
Medium10Which THREE factors can cause a site to go into 'Disconnected' state in the orchestrator?
Hard11Which TWO actions can resolve persistent high latency on a path?
Medium12You need to see the exact DSCP markings on packets exiting the ION. Which tool should you use?
Hard13A site has two ISPs. Traffic is only using one. What is the best way to verify if both paths are available?
Medium14What information is provided by the 'Controller Status' widget on the dashboard?
Easy15Which feature should you examine if traffic is not being steered based on the application category?
Medium16Which THREE logs or reports should be reviewed to troubleshoot a security policy drop?
Hard17Where do you view the history of configuration changes pushed to an ION device?
Easy18A branch loses connectivity to the internet, but local LAN traffic is fine. What should you troubleshoot first?
Medium19A branch site reports intermittent application slowness. Which tool in the Prisma SD-WAN ION dashboard is best for viewing real-time latency and jitter metrics per path?
Easy20When analyzing a PCAP from an ION device, you see 'ICMP Destination Unreachable'. Which policy is most likely causing this?
Hard21Which THREE methods can be used to troubleshoot application identification issues?
Hard22Which log file on the ION device provides the most detailed information about WAN interface flapping?
Easy23Which THREE areas of configuration should you verify if a site cannot reach the local LAN gateway?
Hard24A branch is failing to load-balance traffic across two ISPs. Both are active. Which setting controls the load-balancing algorithm?
Hard25Which dashboard is most useful for identifying top bandwidth consumers in the network?
Easy26What is the function of the 'Reachability' check in the ION device configuration?
Easy27Which TWO tools are available in the ION CLI for network connectivity testing?
Medium28A user reports slow speeds. You see that the interface is not hitting the configured throughput limit. What could be the issue?
Medium29Which log is used to view denied traffic attempts?
Easy30You are debugging a routing loop. Which tool can you use to see the BGP route advertisements received by an ION device?
Hard31An ION device has experienced a configuration drift. How can you restore the last known good configuration?
Medium32Which TWO of these are valid ways to verify the status of an ION device's WAN interface?
Medium33Which TWO items are checked by the ION device to determine if a WAN path is healthy?
Medium34When troubleshooting QoS, what does a high 'drop' count in the interface statistics imply?
Medium35Which THREE components are verified during the ION device 'check' sequence at startup?
Hard36A user is complaining about high latency for a SaaS app. The Path Quality dashboard shows low latency. What is the next logical step?
Hard37When troubleshooting a site-to-site VPN issue between two ION devices, which status should you check first?
HardOther domains
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Frequently asked questions
- What does the Troubleshooting domain cover on the SD-WAN-Engineer exam?
- Troubleshooting questions test whether you can apply the concept in context, not just recognise a definition.
- How many questions are in this domain?
- This page lists all 37 Troubleshooting questions in the SD-WAN-Engineer question bank. The actual exam draws from this domain proportionally to its weighting in the official exam blueprint.
- What is the best way to practise this domain?
- Start with a short focused session (10 questions) to identify gaps, then work through explanations. Repeat with a longer session once the weak areas feel solid.
- Can I practise only Troubleshooting questions?
- Yes — the session launcher on this page filters questions to this domain only. Choose any session length for inline explanations and scoring.