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

Health checking

For any web application, to create reliability and trust with end users, it is very important to constantly make sure that its resources (web servers) are healthy and able to respond to the visitor's request. Availability of the resource and performance can be monitored using Amazon Route 53's health check. It can perform the following types of monitoring activity:

  • The health of a resource, such as a web server: It is possible to monitor an endpoint (web server) by specifying the IP or domain name, along with the health check configuration, such as the interval for health checks and the protocol to be used. Internally, Amazon route 53 submits an automated request on the specified endpoint to verify that the application, web server, or other resources are operational.
  • The status of other health checks: This monitoring and alerting system offers the following...