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AWS Certified Developer Associate Certification and Beyond

You're reading from   AWS Certified Developer Associate Certification and Beyond A comprehensive guide to help you succeed in the AWS DVA-C02 certification exam

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Product type Paperback
Published in Jul 2024
Publisher Packt
ISBN-13 9781801819299
Length 710 pages
Edition 1st Edition
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Authors (2):
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Rajesh Daswani Rajesh Daswani
Author Profile Icon Rajesh Daswani
Rajesh Daswani
Dorian Richard Dorian Richard
Author Profile Icon Dorian Richard
Dorian Richard
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Toc

Table of Contents (19) Chapters Close

Preface 1. Chapter 1: Introduction to AWS Accounts and Global Infrastructure 2. Chapter 2: Securing Access with AWS Identity and Access Management FREE CHAPTER 3. Chapter 3: Understanding Object Storage with Amazon S3, Hybrid Storage, and Static Website Hosting 4. Chapter 4: Building Private Networks in the Cloud with Amazon VPC 5. Chapter 5: Understanding AWS Compute Services with Amazon EC2 and Storage Options 6. Chapter 6: Managing Multiple Datasets with AWS Relational and Non-Relational (NoSQL) Databases 7. Chapter 7: Building Application Solutions with High Availability, Elasticity, and Data Security 8. Chapter 8: Event-Driven Computing with AWS Lambda and Securing Access to Backend APIs with Amazon API Gateway 9. Chapter 9: Incorporating Edge Network Services to Connect to Your Application with Amazon CloudFront and Route 53 10. Chapter 10: Designing Deployment Strategies with AWS Elastic Beanstalk 11. Chapter 11: Deploying a Multi-Tier Application Stack with Amazon ECS, Fargate, and EKS 12. Chapter 12: Getting to Grips with DevOps Using AWS CI/CD Tools 13. Chapter 13: Building Infrastructure Using Code with CloudFormation and the Cloud Development Kit (CDK) 14. Chapter 14: Designing Serverless Applications with AWS Serverless Application Model (SAM) and AWS AppSync 15. Chapter 15: Decoupling the Application Stack and Managing Data Ingestion 16. Chapter 16: Monitoring with Amazon CloudWatch and AWS CloudTrail 17. Chapter 17: Accessing the Online Practice Resources 18. Other Books You May Enjoy

Protecting Data from Accidental Deletion in Amazon S3

Amazon S3 versioning allows users to store multiple versions of an object within a single bucket. This feature can be helpful in retrieving previous versions of an object due to unintended changes, user errors, or application errors. When versioning is enabled for a bucket, Amazon S3 keeps multiple copies of the same object, even when numerous write requests are made concurrently.

Versioning protects against data loss by allowing users to recover accidentally deleted or overwritten objects. When an object is deleted, Amazon S3 adds a delete marker rather than erasing it. The version indicated by the delete marker becomes the current one. Overwriting an object creates a new version, meaning previous versions can be undone.

It is important to note that versioning is not automatically enabled in Amazon S3, and users must allow it to be at the bucket level. When versioning is enabled, removing objects from a bucket requires additional...

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