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What is the main purpose of a health check in AWS services like Elastic Load Balancer?

easy📝 Conceptual Q11 of 15
AWS - Elastic Load Balancing
What is the main purpose of a health check in AWS services like Elastic Load Balancer?
ATo verify if a server or service is responding correctly
BTo increase the server's CPU capacity automatically
CTo backup data from the server regularly
DTo encrypt data sent between servers
Step-by-Step Solution
Solution:
  1. Step 1: Understand the role of health checks

    Health checks monitor if a server or service is working properly by sending requests and checking responses.
  2. Step 2: Identify the main goal

    The main goal is to detect unhealthy servers so they can be removed from traffic, ensuring reliability.
  3. Final Answer:

    To verify if a server or service is responding correctly -> Option A
  4. Quick Check:

    Health check purpose = verify server response [OK]
Quick Trick: Health checks confirm server responsiveness, not capacity or backups [OK]
Common Mistakes:
MISTAKES
  • Confusing health checks with scaling or backup tasks
  • Thinking health checks encrypt data
  • Assuming health checks improve server hardware

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