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Miner Technician 2 / Final course assessment

After the complete level

Bring the fundamentals together.

This assessment covers all 3 units of Miner Technician 2. Read the complete level first. Answer at your own pace, use the course as a reference and review the explanations after submitting.

Assessment coverage

Diagnostic method & connectivity (opens in a new tab)
Computing performance & cooling (opens in a new tab)
Controlled changes & verification (opens in a new tab)

18 questions. This is a course knowledge assessment, not a professional certification or employer authorization.

Miner Technician 2 assessment

Answer every question, then review the reasoning. Complete at least 80% correctly and every safety-critical question correctly. Reference links open a new tab so this attempt stays here. Answers and results are only shown for this attempt; nothing is saved.

1. What makes a diagnostic check informative?

It distinguishes competing explanations.It repeats the most familiar action.It changes several settings at once.

2. What does reaching a miner's local management page establish?

The pool has accepted all the work the miner sent.The local connection works; the pool path is still unproven.The worker name in the pool settings is correct.

3. What does a 25% hashrate shortfall establish by itself?

The size of a difference from a specified baselineWhich component failed and must be replacedThat the firmware must be updated or replaced

4. Why should chip and inlet temperatures not be treated as interchangeable?

They always have identical values.Only the inlet reading has a unit.They describe different measurement locations.

5. How does firmware differ from configuration?

Firmware is the software; configuration is its chosen settings.Configuration is the physical layout of the boards inside the miner.They are two names for the same thing: the pool address.

6. How does sustained recovery differ from a successful restart?

They mean the same thing once the miner is hashing.Recovery is normal behavior over time under the right conditions; a restart is one event.A successful restart proves what the root cause was.

7. A work order calls for a task outside your electrical authorization. What demonstrates independent ownership?Safety-critical

Carry it out yourself, because you own the ticket and its outcome.Arrange qualified support, preserve evidence and coordinate the handoff.Ask an untrained colleague to watch while you do the work.

8. A monitoring system reports an entire row offline while local approved observations show miners operating. Where should the investigation start?

Assume every PSU in the row has failed at the same time.Change the pool credentials on every miner in the row right away.Compare what monitoring, network and pool each show, on one timeline.

9. A model-specific startup log and chain status identify one absent chain. What is the next defensible action?

Choose the next authorized check from the applicable fault procedure.Order a replacement board, because a chain is absent.Ignore it, as long as total output is still above zero.

10. A supervisor asks you to bypass a thermal shutdown to finish testing. How should you respond?Safety-critical

Bypass it, but only for a short interval while you finish.Keep the protection intact and use the approved escalation process.Raise the limit a little, and do not record the change.

11. You have an approved compatible image but no preserved settings or recovery plan. What should happen before the change?

Flash now and reconstruct the settings later.Change the power profile at the same time.Complete the evidence, backup and recovery preparation.

12. Service returns, but you have not yet observed it under the conditions where the fault used to recur. How should the ticket read?

Restored service; relevant verification remains open with an owner.Permanently resolved; no follow-up is needed for this fault.No useful progress was made, so leave the ticket as it was.

13. Two proposed explanations predict the same result from a check. What does that imply?

The check proves that both explanations are true.It may not tell them apart; choose an authorized check that can.Neither explanation can ever be tested, so pick one.

14. One network segment loses accepted work; another using the same pool remains healthy. What is justified?

The shared pool is definitely down for every user.Every unit in the affected group has a failed hashboard.Check what only the affected group depends on; the cause is unproven.

15. Afternoon faults disappear overnight without an intervention. What can you conclude?

No fault was seen overnight; the afternoon conditions are still untested.The cooling issue has permanently resolved itself.Temperature is irrelevant because the units are now healthy.

16. A pilot boots but misses its agreed target for accepted work. Should the change expand?

Yes, because a successful boot shows that the change works fine.No; record the missed target and use the approved stop or rollback plan.Yes, as long as its dashboard looks normal to the rollout owner.

17. One expected chain is persistently absent. What is established by that evidence alone?

The hashboard has failed and must be replaced.The control board has failed and must be replaced.Only a missing-chain symptom; the failed part is not yet known.

18. An intervention restores local output, but the original complaint concerned accepted pool work. What remains?

Verify the intended worker and comparable accepted-work evidence.Close the ticket because one measurement improved.Ignore the original complaint and use a new success measure.

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Miner Technician 2 / Final course assessment

After the complete level

Bring the fundamentals together.

This assessment covers all 3 units of Miner Technician 2. Read the complete level first. Answer at your own pace, use the course as a reference and review the explanations after submitting.

Assessment coverage

Diagnostic method & connectivity (opens in a new tab)
Computing performance & cooling (opens in a new tab)
Controlled changes & verification (opens in a new tab)