- ELB is an AWS service that automatically distributes incoming network or application traffic to a number of EC2 instances.
- It monitors the health of each of the EC2 instances associated with it and forwards traffic only to healthy instances.
- ELB provides a single point of contact for the EC2 instances behind ELB.
- Each of the EC2 instances is marked with a status: either InService if it is healthy, or OutOfService if it is unhealthy.
- ELB only routes traffic to InService instances.
- ELB helps to provide high availability, scalability, elasticity, fault tolerance, and security to your application workloads running on EC2 instances.
- There are three types of load balancers supported by AWS ELB—Classic Load Balancer, Network Load Balancer, and Application Load Balancer.
- ELB stops sending requests to instances that are either unhealthy or are deregistering from ELB when...
AWS Certified Developer - Associate Guide - Second Edition
By :
AWS Certified Developer - Associate Guide - Second Edition
By:
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)
Preface
Free Chapter
Overview of AWS Certified Developer - Associate Certification
Understanding the Fundamentals of Amazon Web Services
Identity and Access Management (IAM)
Virtual Private Clouds
Getting Started with Elastic Compute Cloud (EC2)
Handling Application Traffic with ELB
Monitoring with CloudWatch
Simple Storage Service, Glacier, and CloudFront
Other AWS Storage Options
AWS Relational Database Service
AWS DynamoDB - A NoSQL Database Service
Amazon Simple Queue Service (SQS)
Simple Notification Service (SNS)
AWS Simple Workflow Service (SWF)
CloudFormation Overview
Understanding Elastic Beanstalk
Overview of AWS Lambda
Key Management Services
Working with AWS Kinesis
Working with AWS CodeBuild
Getting Started with AWS CodeDeploy
Working with AWS CodePipeline
CI/CD on AWS
Serverless Computing
Amazon Route 53
ElastiCache Overview
Mock Tests
Assessments
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Customer Reviews