350-601 Compute Practice Question
Exhibit
<pre> UCS-B-230-M4# show server environment Server Temperature: 42 C CPU1 Temperature: 65 C CPU2 Temperature: 68 C Ambient Temperature: 25 C Fan Speed: 8000 RPM Power Supply 1: 450 W, Status: OK Power Supply 2: 450 W, Status: Failed </pre>
Refer to the exhibit. A UCS B-Series blade shows a failed power supply. The blade is currently running. Which action should the engineer take to replace the power supply without causing service disruption?
⚠ Common exam trap
Cisco often tests the misconception that a blade must be shut down or isolated before replacing a chassis-level component, but the key is understanding that UCS chassis power supplies are hot-swappable and redundant, so no blade-level action is needed.
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
✓
Replace the failed power supply while the blade remains powered on.
UCS B-Series blades use a shared chassis power infrastructure with N+1 redundancy. The failed power supply can be hot-swapped while the blade remains powered on, as the remaining power supplies in the chassis will continue to provide power without interruption. No blade isolation or shutdown is required, as the chassis power subsystem is designed for concurrent maintenance.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Replace the power supply only after the blade is isolated from the fabric.
Why it's wrong here
Not required; blade can stay active.
- ✗
Replace the failed power supply in the chassis without affecting the blade.
Why it's wrong here
Power supplies are per blade, not per chassis.
- ✗
Shut down the blade, replace the power supply, then power on.
Why it's wrong here
Unnecessary disruption.
- ✓
Replace the failed power supply while the blade remains powered on.
Why this is correct
The blade has redundant power supplies; hot-swap is supported.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This 350-601 practice question is part of Courseiva's free Cisco certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the 350-601 exam.