CloudFormation Overview
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Questions and Answers

What is the role of the stack object in CloudFormation after resource creation?

  • It is deleted automatically after the resources are created.
  • It prevents users from modifying any existing resources.
  • It acts as a reference for future actions on the created resources. (correct)
  • It facilitates the creation of additional stacks without any modifications.

Which method allows you to utilize AWS Lambda functions to achieve features not directly supported by CloudFormation?

  • Using the AWS Lambda function during stack creation. (correct)
  • Deleting the stack to refresh the available features.
  • Linking CloudFormation directly to the S3 bucket.
  • Uploading the template without any modifications.

What happens to the resources created by a stack after the stack is deleted?

  • The resources become unavailable for any future operations.
  • You can choose to retain certain resources upon deletion. (correct)
  • All resources are permanently lost without option for retention.
  • Resources are moved to another stack for management.

What is the first step in the process of creating resources with CloudFormation?

<p>Uploading the template to the CloudFormation service. (A)</p> Signup and view all the answers

How does one monitor the progress of the stack creation process in CloudFormation?

<p>By observing the stack creation status in the CloudFormation console. (C)</p> Signup and view all the answers

What type of data is most appropriate for caching to provide significant speed or cost advantages?

<p>Static and frequently accessed data (D)</p> Signup and view all the answers

Which type of workload primarily benefits from caching in the form of an in-memory data layer?

<p>Compute-intensive workloads (B)</p> Signup and view all the answers

Which of the following scenarios would NOT typically be a candidate for caching?

<p>Data that requires a quick and inexpensive query (D)</p> Signup and view all the answers

What is a common characteristic of static content suitable for caching?

<p>It rarely changes and includes files like images (C)</p> Signup and view all the answers

Which of the following best describes a bottleneck in applications related to database queries?

<p>Time-consuming and complex database queries (D)</p> Signup and view all the answers

Flashcards

CloudFormation Stack Creation

CloudFormation creates AWS resources defined in a template.

Template Upload

Uploading a template (blueprint) to CloudFormation triggers the stack creation process.

Stack Actions

Users interact with CloudFormation stacks by creating, updating, or deleting them.

Stack Handle

A CloudFormation stack acts as a reference for its created AWS resources.

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Stack Deletion Options

CloudFormation enables choosing what resources remain when deleting a stack.

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What kind of data is best for caching?

Data that is static (rarely changes) and frequently accessed is ideal for caching. This is because caching provides the most benefit when retrieving frequently used data quickly.

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When would you NOT cache data?

Data that rarely changes or isn't accessed frequently doesn't benefit from caching. Caching adds complexity without a speed advantage.

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How can caching benefit computationally intensive workloads?

Caching results of complex calculations (like recommendation engines) allows them to be retrieved quickly, reducing future computation time and improving performance.

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Why cache database query results?

Caching results of database queries, especially time-consuming or complex ones, speeds up data retrieval and reduces database load.

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Even fast database queries?

Even queries that are relatively fast can benefit from caching, especially if they're executed frequently. It saves time by avoiding repeated database calls.

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Study Notes

CloudFormation Overview

  • CloudFormation provides broad support for AWS services.
  • If a desired feature isn't directly available, Lambda functions interacting with the AWS SDK can be invoked during stack creation for full service API coverage.
  • Upload templates directly to CloudFormation or store them in Amazon S3, pointing CloudFormation to the location.
  • Invoke "create stack" to initiate resource creation within the specified template.
  • One stack can create and manage resources across multiple AWS services in a single AWS Region.
  • Monitor stack creation progress.
  • Successful completion results in new AWS resources in the account, and a stack object (handle) remains for future actions.
  • The stack object enables updating or deleting stacks, including selective deletion of items during stack deletion.

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Description

This quiz covers the essential features and functionalities of AWS CloudFormation. Learn how to manage resources across multiple AWS services, initiate resource creation, and monitor stack progress. Understand the role of stack objects in future actions like updating or deleting resources.

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