[Solved] Which of the following is the correct way to describe the default security group in AWS? — Ans: It allows inbound traffic only from itself and all outbound traffic. | AWS

AWS - Security Groups and Network ACLs

Which of the following is the correct way to describe the default security group in AWS?

AIt allows all inbound and outbound traffic by default.

BIt allows inbound traffic only from itself and all outbound traffic.

CIt has no inbound or outbound rules by default.

DIt blocks all inbound and outbound traffic by default.

Step-by-Step Solution

Solution:

Step 1: Review default security group rules
The default security group allows inbound traffic only from itself and allows all outbound traffic.
Step 2: Identify the option that matches this description
It allows inbound traffic only from itself and all outbound traffic. correctly describes this behavior.
Final Answer:
It allows inbound traffic only from itself and all outbound traffic. -> Option B
Quick Check:
Default SG = inbound from self, outbound all allowed [OK]

Quick Trick: Default SG inbound from self, outbound all allowed [OK]

Common Mistakes:

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Which of the following is the correct way to describe the default security group in AWS?