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Exam CV0-004 topic 1 question 79 discussion

Actual exam question from CompTIA's CV0-004
Question #: 79
Topic #: 1
[All CV0-004 Questions]

A company implements a web farm with 100 servers behind an application load balancer. During scaling events, new web servers that are placed in service have not loaded all their modules, which causes some requests to the web farm to fail. Which of the following should the cloud engineer implement to address the scaling issue?

  • A. Instance warm-up
  • B. Scheduled scaling
  • C. Event-based scaling
  • D. Load balancer passthrough
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Suggested Answer: A 🗳️
by Justheretolook at June 22, 2025, 7:19 p.m.

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Justheretolook
1 week, 1 day ago
Selected Answer: A
The correct answer is: ✅ A. Instance warm-up ⸻ Explanation: The issue described is that new servers added during scaling aren’t fully ready (they haven’t loaded all their modules) when the load balancer starts sending traffic, causing failures. Instance warm-up solves this by: • Giving newly launched instances time to initialize fully (e.g., load modules, connect to services) • Delaying traffic routing to the instance until it’s ready to handle requests • Ensuring user requests don’t fail during auto-scaling events
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