MCQ IN COMPUTER SCIENCE & ENGINEERING

Detailed explanation-1: -A security group acts as a virtual firewall for your EC2 instances to control incoming and outgoing traffic. Inbound rules control the incoming traffic to your instance, and outbound rules control the outgoing traffic from your instance. When you launch an instance, you can specify one or more security groups.

Detailed explanation-2: -The inbound rule is stateful for Inbound Request and Outbound Response and the outbound rule is stateful for the Outbound Request and Inbound Response. – Fawad Shah. Dec 1, 2021 at 2:38.

Detailed explanation-3: -Security groups: Security groups allow or deny specific inbound and outbound traffic at the resource level (such as an EC2 instance). When you launch an instance, you can associate it with one or more security groups.

Detailed explanation-4: -The network access control list (NACL), as it is popularly known, is another virtual firewall provided by AWS VPC to configure inbound and outbound traffic for your subnets inside a VPC. So, all instances within this subnet are going to use the same configuration for inbound and outbound traffic.

Detailed explanation-5: -A security group controls the traffic that is allowed to reach and leave the resources that it is associated with. For example, after you associate a security group with an EC2 instance, it controls the inbound and outbound traffic for the instance.