Practice questions

1. What is the main function of an Internet Gateway (IGW) in AWS VPC?

A. To provide Network Address Translation (NAT) for instances in the VPC

B. To allow instances in the VPC to communicate with other resources outside the VPC

C. To restrict access to the VPC to only authorized users or resources

D. To provide load-balancing capabilities for instances in the VPC

2. Which of the following is not a valid use case for a NAT gateway in Amazon VPC?

A. Allowing instances in a private subnet to access the internet

B. Enabling communication between two VPCs in different regions

C. Enabling communication between a VPC and an on-premises network

D. Enabling communication between a VPC and a third-party service that requires a whitelisted IP address

3. Which of the following statements is true about AWS security groups?

A. Security groups are stateless, meaning that inbound and outbound rules must be specified separately

B. Security groups...