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Course review: what to remember

Lesson

Practice lab

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Saved on this device. Practice is ungraded.

Investigate

Stabilize a VM workstation

A QA developer reports crashes after enabling an extreme profile on a matched 16 GB kit, plus memory pressure while running the host and VMs together. Defaults pass diagnostics, but simultaneous demand peaks at 20 GB. The board supports a 32 GB matched pair in A2/B2 at defaults within budget; the required 25% margin sets a 25 GB target. Resolve both problems before closing the ticket.

Decision 1

Crashes after tuning

Choose the first controlled action.

Lesson notes

Use this checklist to prepare for the final quiz.

Key ideas

  • RAM is temporary workspace, not long-term storage.
  • Capacity should match the workload.
  • Channels depend on module placement.
  • Speed settings are useful only when stable.
  • Troubleshooting starts with baseline settings and careful testing.

Check your understanding

  • Can you explain RAM as a desk?
  • Can you explain dual channel as wider hallway access?
  • Can you name two compatibility checks?
  • Can you describe a baseline-first troubleshooting plan?