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Why is it important to select the correct instance type when launching an EC2 instance?

hard📝 Conceptual Q10 of 15
AWS - EC2 Fundamentals
Why is it important to select the correct instance type when launching an EC2 instance?
ABecause instance type controls the AWS region where the instance runs
BBecause instance type sets the security group rules automatically
CBecause instance type defines the operating system installed by default
DBecause instance type determines CPU, memory, and network capacity
Step-by-Step Solution
Solution:

  1. Step 1: Understand what instance types specify

    Instance types define hardware resources like CPU, RAM, and network performance.

  2. Step 2: Exclude incorrect associations

    Instance type does not determine region, OS, or security group settings.

  3. Final Answer:

    Because instance type determines CPU, memory, and network capacity -> Option D

  4. Quick Check:

    Instance type = hardware specs [OK]
Quick Trick: Instance type sets hardware specs, not region or OS [OK]
Common Mistakes:
  • Thinking instance type controls region or OS
  • Assuming security groups are tied to instance type
  • Confusing instance type with AMI

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