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Given this scheduled scaling configuration snippet:

medium📝 Predict Output Q13 of 15
AWS - Auto Scaling
Given this scheduled scaling configuration snippet:
{"ScheduledActionName": "ScaleUpMorning", "StartTime": "2024-07-01T08:00:00Z", "DesiredCapacity": 5}

What will happen at 8 AM UTC on July 1, 2024?
AThe resource capacity will be set to 5
BThe resource capacity will decrease to 0
CThe scaling action will be ignored due to missing EndTime
DThe resource capacity will remain unchanged
Step-by-Step Solution
Solution:
  1. Step 1: Understand the scheduled action parameters

    The action named "ScaleUpMorning" is set to start at 8 AM UTC on July 1, 2024, with DesiredCapacity 5.
  2. Step 2: Interpret the effect of StartTime and DesiredCapacity

    At the StartTime, the capacity will be set to 5. EndTime is optional and does not block the action.
  3. Final Answer:

    The resource capacity will be set to 5 -> Option A
  4. Quick Check:

    StartTime triggers capacity change to DesiredCapacity [OK]
Quick Trick: StartTime sets capacity; EndTime is optional [OK]
Common Mistakes:
MISTAKES
  • Thinking EndTime is required to trigger scaling
  • Assuming capacity decreases without explicit setting
  • Ignoring the StartTime effect

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