AWS Solution Architect Associate Exam Practice
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Questions and Answers

What happens to the data in an instance store if an instance reboots in EC2?

  • Data in the instance store will be lost
  • Data persists in the instance store. (correct)
  • Data is partially present in the instance store.
  • Data is deleted from the instance store for security reasons.

    • What must be met for a subnet to be considered a public subnet in a VPC?

  • Subnet's traffic is not routed to an internet gateway but has its traffic routed to a virtual private gateway.
  • Subnet's traffic is routed to an internet gateway. (correct)
  • Subnet's traffic is not routed to an internet gateway.
  • None of these answers can be considered a public subnet

    • What can you launch into a VPC in the AWS cloud?

  • Only Amazon EC2 instances (correct)
  • Only Amazon RDS databases
  • Amazon EC2 instances, S3 buckets, and RDS databases
  • Only Amazon S3 buckets

    • What can you configure in your VPC?

    <p>Selecting IP address range and creating subnets</p> Signup and view all the answers

    What type of subnet should be used for resources that must be connected to the internet?

    <p>Public subnet</p> Signup and view all the answers

    If a subnet's traffic is routed to an internet gateway, what type of subnet is it known as?

    <p>Public subnet</p> Signup and view all the answers

    What type of subnet is it known as if it doesn't have a route to the internet gateway?

    <p>Private subnet</p> Signup and view all the answers

    What must you specify when you launch an instance in EC2-Classic?

    <p>A security group created for EC2-Classic in the same region</p> Signup and view all the answers

    Can you specify a security group created for VPC when you launch an instance in EC2-Classic?

    <p>No, you can specify the security group created for EC2-Classic only</p> Signup and view all the answers

    What are the recommended subnets for resources that won't be connected to the Internet?

    <p>Private subnets</p> Signup and view all the answers

    What does Amazon EBS provide the ability to create backups of Amazon EC2 volumes into?

    <p>Snapshots</p> Signup and view all the answers

    Does Amazon DynamoDB support both increment and decrement atomic operations?

    <p>Only increment, since decrement are inherently impossible with DynamoDB's data model</p> Signup and view all the answers

    What is the main purpose of Amazon EBS snapshots?

    <p>Incremental backups</p> Signup and view all the answers

    Which service is used to create backups of data stored in Amazon EBS volumes?

    <p>Amazon S3</p> Signup and view all the answers

    In Amazon DynamoDB, what type of atomic operations are inherently impossible due to its data model?

    <p>&quot;Decrement&quot; operations</p> Signup and view all the answers

    Which AWS service is used for incremental backups of Amazon EBS volumes?

    <p>Amazon S3</p> Signup and view all the answers

    In Amazon DynamoDB, which of the following atomic operations is supported?

    <p>Decrement</p> Signup and view all the answers

    What happens to the data in an instance store in EC2 if an instance reboots?

    <p>Data persists in the instance store.</p> Signup and view all the answers

    When setting up a public subnet within a VPC, what is the requirement for this subnet to be considered public?

    <p>Subnet's traffic is routed to an internet gateway.</p> Signup and view all the answers

    What is the main purpose of a public subnet in a VPC?

    <p>To provide access to the internet for connected resources.</p> Signup and view all the answers

    Which type of subnet is known as VPN-only?

    <p>Subnet with traffic routed to a virtual private gateway.</p> Signup and view all the answers

    What type of resources should be launched into a public subnet in a VPC?

    <p>Resources that must be connected to the internet.</p> Signup and view all the answers

    What type of operation is inherently impossible with DynamoDB's data mode?

    <p>Increment</p> Signup and view all the answers

    Which operation results in data being lost from an instance store in EC2?

    <p>Terminating an instance</p> Signup and view all the answers

    What happens to the data in an instance store if a failure occurs with an underlying drive in EC2?

    <p>Data in the instance store will be lost.</p> Signup and view all the answers

    What must be configured for a subnet to be classified as a public subnet in a VPC?

    <p>Traffic routed to an internet gateway.</p> Signup and view all the answers

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