Question 62 of 144
SK0-005 server-hardware-installation-management Practice Question
A server configured with dual redundant power supplies unexpectedly shuts down when one power supply fails. Both power supplies are rated for the server's total load and were functioning before the failure. What is the MOST likely reason for the shutdown?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Redundant mode was not configured in the server management settings
If redundant mode is not enabled (Option B), the power supplies may operate in combined/load‑sharing mode, and failure of one can overload the other. Hot‑swap capability (A) allows replacement without shutdown but does not prevent an outage if the remaining PSU cannot handle the load. Wattage mismatch (C) is unlikely if both were working, and different vendors (D) do not normally cause shutdown if the PSUs are compatible.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
The power supplies were not hot‑swappable
Why it's wrong here
Even non‑hot‑swappable PSUs should continue to power the server if the second unit fails; hot‑swap only means you can replace without shutting down.
- ✗
The failed power supply had a higher wattage rating than the remaining one
Why it's wrong here
If both had been running, a minor wattage difference typically does not cause immediate shutdown.
- ✗
The power supplies were from different manufacturers
Why it's wrong here
As long as the power supplies meet the same electrical and mechanical specifications, different vendors rarely cause such behavior.
- ✓
Redundant mode was not configured in the server management settings
Why this is correct
Many servers require explicit configuration to operate in true N+1 redundancy; otherwise the loss of one PSU can cause an overcurrent event.
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Last reviewed: Jul 26, 2026
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