Harness Certified Chaos Engineering exam-day guide
Harness Certified Chaos Engineering · Prepare for the day ahead.
Your checklist
Government-issued photo ID
Bring the original, unexpired ID in the exact name you registered with. Confirm with the provider which ID types they accept and whether a secondary ID is required, since remote-proctoring vendors differ on this.
Exam appointment confirmation
Have the confirmation email or booking reference accessible. It usually contains the session link, start time in your local time zone, and any check-in instructions. Confirm with the provider whether you must join early for identity verification.
Stable internet connection and backup
For a remotely proctored exam, test your connection the day before and have a phone hotspot or second network as fallback. Confirm with the provider the minimum bandwidth and what happens if you disconnect mid-exam.
Compatible computer and browser
Use a machine that meets the provider's stated OS and browser requirements. Run any system or equipment check the provider offers ahead of time rather than on exam morning.
Working webcam, microphone, and speakers
Remote proctoring typically requires a camera that can show your face and room, plus audio. Confirm with the provider whether headphones are permitted, as many prohibit them.
Clear, private room
Plan a quiet space with a closed door, good lighting, and a desk cleared of papers, notes, and devices. Confirm with the provider what items are allowed on the desk during the session.
Understand the exam structure and scoring
Know the number of questions, time limit, passing score if published, and whether question types include multiple choice, multiple response, or scenario-based items. Confirm with the provider any details not stated in the candidate handbook.
Review the chaos engineering domains, not just trivia
Focus on experiment design, hypothesis and steady-state definition, blast-radius control, observability, and rollback/abort criteria, plus how these map to the exam's published objectives. Use the provider's official objectives list as your scope.
Practice scenario reasoning
Work through how you would design and safely run an experiment end to end: define steady state, form a hypothesis, limit scope, measure, and decide to continue or abort. This builds the judgment scenario questions test.
Water, snack, and medication for afterward
Keep these outside the testing area and use them only during allowed breaks. Confirm with the provider the break policy before relying on this.
Plan arrival or login timing
For a test center, arrive with buffer for check-in; for remote, log in early enough for identity checks. Confirm with the provider the recommended arrival or login window and late-arrival policy.
Backup contact and contingency plan
Note the provider's support contact in case of technical failure, and know the reschedule or retake policy in advance. Confirm with the provider how technical issues during the exam are handled and documented.
Plan the day
Re-read the official exam objectives and mark any domain you cannot explain confidently. Spend remaining study time on those gaps rather than re-reading material you already know. Do one timed practice set to calibrate pacing, then stop adding new topics.
Run the provider's system or equipment check on the exact machine and network you will use. Resolve browser, camera, or permission issues now, not on exam day. Confirm your appointment time in your local time zone and note whether check-in opens early.
Prepare your testing space: clear the desk, plan lighting and camera angle, and remove prohibited items. Decide where your ID and confirmation will sit within reach but off the desk if rules require.
Do a light review of key concepts such as steady-state hypothesis, blast radius, abort conditions, and observability signals. Avoid cramming new material late. Pack or stage your ID, confirmation, water, and any permitted items.
Confirm logistics: room availability, quiet hours, network stability, and backup connection. Get a full night's sleep; fatigue hurts performance on scenario questions more than on recall questions.
Eat a normal meal, hydrate, and avoid last-minute cramming that raises anxiety. Re-test your connection and camera briefly. Close unnecessary applications and notifications.
Log in or arrive with the buffer you planned. Complete identity verification calmly, follow proctor instructions, and read any on-screen rules before starting. Confirm with the provider the late-arrival cutoff if you are running behind.
Read each scenario fully before answering; identify what is being asked (design, safety control, measurement, or diagnosis). Answer confident questions first, flag uncertain ones, and watch the clock to leave time for flagged items.
For scenario items, eliminate options that skip steady-state definition, ignore blast radius, or omit abort criteria, as these are common distractors. If a break is allowed, take it only as permitted and return promptly.
If a technical problem occurs, note the time and follow the proctor or support channel rather than troubleshooting alone. After finishing, keep your confirmation and any incident notes in case you need to raise an issue with the provider.
Rules to check
Bring the original government-issued photo ID in your registered name. Confirm with the provider which ID types and secondary documents are accepted before exam day.
Follow all proctor instructions and the provider's candidate agreement, including rules on prohibited items, notes, and devices in the testing area. Confirm with the provider any rule you are unsure about rather than guessing.
Do not communicate with others, use unauthorized materials, or attempt to capture exam content. Treat the exam as confidential under the provider's terms.
Break policy varies by delivery mode and provider. Confirm with the provider in advance whether breaks are allowed, whether the clock stops, and whether you may leave the camera view.
Scoring and pass marks are set by the provider and may not be disclosed in detail. Confirm with the provider the published passing standard and how results are reported.
Technical failures during a remotely proctored exam should be reported through the provider's stated channel and documented. Confirm with the provider the process and any retake or reschedule remedy.
Arrive or log in within the provider's stated window; late arrival may forfeit your seat or session. Confirm with the provider the cutoff and any fee implications.
Results, retake eligibility, and score validity periods are governed by the provider's policy. Confirm with the provider the timeline for results and any waiting period before a retake.