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Answer: A virtual firewall for EC2 that governs traffic through inbound and outbound rules.
The correct answer is A, Security groups. Security groups in AWS act as virtual firewalls for EC2 instances, controlling both the incoming (inbound) and outgoing (outbound) traffic. By default, all inbound traffic is blocked, and all outbound traffic is allowed, but this can be customized by setting specific rules within the security group. Each rule can specify protocols, ports, and the source or destination for the traffic, allowing fine-grained control over what is allowed to reach or leave the instance. This is essential for securing instances and ensuring that only the necessary traffic is permitted.
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What AWS capability enables traffic control for EC2 instances, managing both inbound and outbound flows?
A
A virtual firewall for EC2 that governs traffic through inbound and outbound rules.
B
A DNS service providing high availability and scalability for domain name system operations.
C
A service facilitating the creation of a dedicated network connection from premises to AWS cloud resources.
D
A feature allowing the isolation of AWS compute resources within a virtual network for enhanced security.
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