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Why does EC2 matter for compute compared to serverless options like AWS Lambda?

hard📝 Conceptual Q10 of 15
AWS - EC2 Fundamentals
Why does EC2 matter for compute compared to serverless options like AWS Lambda?
AEC2 provides full control over the operating system and environment
BEC2 automatically scales without user configuration
CEC2 charges only when code runs, not when idle
DEC2 requires no management or patching
Step-by-Step Solution
Solution:

  1. Step 1: Compare EC2 and serverless compute

    EC2 offers virtual servers with full OS control, unlike Lambda which abstracts the environment.

  2. Step 2: Clarify misconceptions

    EC2 requires user-managed scaling and patching; Lambda scales automatically and charges per execution.

  3. Final Answer:

    EC2 provides full control over the operating system and environment -> Option A

  4. Quick Check:

    EC2 = full OS control vs serverless [OK]
Quick Trick: EC2 = full OS control; Lambda = managed environment [OK]
Common Mistakes:
MISTAKES
  • Thinking EC2 auto-scales without setup
  • Believing EC2 charges only when code runs
  • Assuming EC2 requires no management

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