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What is the main purpose of a security group in AWS?

easy📝 Conceptual Q11 of 15
AWS - Security Groups and Network ACLs
What is the main purpose of a security group in AWS?
ATo control inbound and outbound network traffic to resources
BTo store data securely in the cloud
CTo manage user permissions for AWS services
DTo monitor the health of AWS resources
Step-by-Step Solution
Solution:
  1. Step 1: Understand what security groups do

    Security groups act like virtual firewalls that control network traffic to and from AWS resources.
  2. Step 2: Identify the main function

    The main function is to allow or block inbound and outbound traffic based on rules.
  3. Final Answer:

    To control inbound and outbound network traffic to resources -> Option A
  4. Quick Check:

    Security groups control traffic = A [OK]
Quick Trick: Security groups control traffic flow to resources [OK]
Common Mistakes:
MISTAKES
  • Confusing security groups with data storage
  • Thinking security groups manage user permissions
  • Assuming security groups monitor resource health

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