Explanation:
Security groups in a VPC act as virtual firewalls for EC2 instances, controlling both inbound and outbound traffic at the instance level.
Ultimate access to all questions.
Which of the following best describes the use of security groups in a VPC?
A
To blacklist IP addresses that pose security threats
B
To act as virtual firewalls for your EC2 instances to control inbound and outbound traffic
C
To provide a VPN gateway for secure connections
D
To monitor and control the flow of internal traffic within the VPC
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