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

Creating a CloudWatch alarm

The following steps describe the process of creating a CloudWatch alarm:

  1. Open the CloudWatch console by navigating to https://console.aws.amazon.com/ cloudwatch/ on your browser. It brings you to the CloudWatch dashboard.
  2. Click on Alarms:
Figure 7.2: CloudWatch dashboard
  1. Click on the Create Alarm button:
Figure 7.3: The Create Alarm button
  1. Click on Select metric:
Figure 7.4: Selecting a metric
  1. This window shows multiple categories of metrics, depending upon the metrics you have in the account. For example, if you have EC2 instances in the account, it shows EC2 metrics; if you have ELB resources in the account, it shows ELB metrics; and, similarly, it shows different categories of metrics for which you have resources in the account. In the following screenshot, we can see metrics categories for EBS and EC2. Depending upon the requirement, you...