Book Image

AWS Certified Developer - Associate Guide - Second Edition

By : Vipul Tankariya, Bhavin Parmar
5 (2)
Book Image

AWS Certified Developer - Associate Guide - Second Edition

5 (2)
By: Vipul Tankariya, Bhavin Parmar

Overview of this book

This book will focus on the revised version of AWS Certified Developer Associate exam. The 2019 version of this exam guide includes all the recent services and offerings from Amazon that benefits developers. AWS Certified Developer - Associate Guide starts with a quick introduction to AWS and the prerequisites to get you started. Then, this book will describe about getting familiar with Identity and Access Management (IAM) along with Virtual private cloud (VPC). Next, this book will teach you about microservices, serverless architecture, security best practices, advanced deployment methods and more. Going ahead we will take you through AWS DynamoDB A NoSQL Database Service, Amazon Simple Queue Service (SQS) and CloudFormation Overview. Lastly, this book will help understand Elastic Beanstalk and will also walk you through AWS lambda. At the end of this book, we will cover enough topics, tips and tricks along with mock tests for you to be able to pass the AWS Certified Developer - Associate exam and develop as well as manage your applications on the AWS platform.
Table of Contents (30 chapters)
Free Chapter
1
Overview of AWS Certified Developer - Associate Certification

Deleting an SNS topic

To delete an SNS topic, you first need to unsubscribe the subscribers, and then you can delete the SNS topic. The following steps explain how to unsubscribe subscribers and delete an SNS topic:

  1. Go to the Amazon SNS dashboard and click on Subscriptions, as shown in Figure 13.20:
Figure 13.20: SNS dashboard
  1. Before you can delete a topic, you need to unsubscribe all the subscribers from that topic. Select all the relevant subscribers for the topic and click on Delete from the menu, as shown in Figure 13.21:
Figure 13.21: Delete subscriptions
  1. Before unsubscribing the selected subscribers, click on Delete in the confirmation dialog box, as shown in Figure 13.22:
Figure 13.22: Popup; delete subscriptions confirmation
All the subscriptions that are pending for confirmation cannot be deleted manually. They are automatically deleted after three days if the...