You manually launch a NAT AMI in a public subnet. The network is properly configured. Security groups and network access control lists are property configured. Instances in a private subnet can access the NAT. The NAT can access the Internet. However, private instances cannot access the Internet. What additional step is required to allow access from the private instances?

• A.Disable Source/Destination Check on the NAT instance.
• B.Disable Source/Destination Check on the private instances.
• C.Enable Source/Destination Check on the private Instances.
• D.Enable Source/Destination Check on the NAT instance.

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An IAM user made several configuration changes to AWS resources in their company's account during a production deployment last week. A solutions architect learned that a couple of security group rules are not configured as desired. The solutions architect wants to confirm which IAM user was responsible for making changes.
Which service should the solutions architect use to find the desired information?

• A.AWS Config
• B.Amazon GuardDuty
• C.AWS CloudTrail
• D.Amazon Inspector

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Which is the default region in AWS?

• A.ap-southeast-1
• B.eu-west-1
• C.us-east-1
• D.us-east-2

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When an EC2 EBS-backed (EBS root) instance is stopped, what happens to the data on any ephemeral store volumes?

• A.Data is automatically saved in an EBS snapshot
• B.Data is automatically saved in an EBS volume
• C.Data is unavailable until the instance is restarted
• D.Data will be deleted and will no longer be accessible

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How long does an AWS free usage tier EC2 last for?

• A.Forever
• B.12 Months upon signup
• C.1 Month upon signup
• D.6 Months upon signup

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