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.

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Table of Contents (30 chapters)
Preface
Preface
Who this book is for
What this book covers
To get the most out of this book
Get in touch
Free Chapter
1
Overview of AWS Certified Developer - Associate Certification
Overview of AWS Certified Developer - Associate Certification
Frequently asked questions about the exam
2
Understanding the Fundamentals of Amazon Web Services
Understanding the Fundamentals of Amazon Web Services
Examples of cloud services
The evolution of cloud computing
More about AWS
The benefits of using AWS over a traditional data center
Accessing AWS services
An overview of AWS
Understanding virtualization
Elasticity versus scalability
Creating a new AWS account
Deleting an AWS account
Understanding the AWS dashboard
Core AWS services
The shared security responsibility model
AWS soft limits
DR with AWS
Summary
3
Identity and Access Management (IAM)
Identity and Access Management (IAM)
Understanding the AWS root user
Elements of IAM
IAM best practices
Exam tips
Summary
4
Virtual Private Clouds
Virtual Private Clouds
Introduction to VPCs
Creating a VPC
Security
VPC networking components
VPC best practices
Summary
5
Getting Started with Elastic Compute Cloud (EC2)
Getting Started with Elastic Compute Cloud (EC2)
Introducing EC2
Pricing for EC2
EC2 instance life cycle
Amazon Machine Images (AMIs)
Introducing EBS
EC2 best practices
Summary
6
Handling Application Traffic with ELB
Handling Application Traffic with ELB
Introducing ELB
Types of ELB
Features of ELB
How ELB works
ELB best practices
Summary
7
Monitoring with CloudWatch
Monitoring with CloudWatch
Introducing CloudWatch
How Amazon CloudWatch works
Elements of Amazon CloudWatch
Creating a CloudWatch alarm
Billing alerts
CloudWatch dashboards
Monitoring types – basic and detailed
CloudWatch best practices
Summary
8
Simple Storage Service, Glacier, and CloudFront
Simple Storage Service, Glacier, and CloudFront
Introducing Amazon S3
Creating a bucket
Understanding objects
S3 storage classes
Life cycle management
Hosting a static website on S3
Cross-origin resource sharing (CORS)
Cross-region replication
CloudFront
Summary
9
Other AWS Storage Options
Other AWS Storage Options
Storage and backup services provided by AWS
Amazon EFS
AWS Storage Gateway
AWS Snowball
AWS Snowmobile
Summary
10
AWS Relational Database Service
AWS Relational Database Service
Introducing RDS
Amazon RDS components
RDS engine types
Creating an Amazon RDS MySQL DB instance
Monitoring RDS instances
Creating a snapshot
Restoring a DB from a snapshot
Changing an RDS instance type
Amazon RDS and VPC
Connecting to an Amazon RDS DB instance
RDS best practices
Summary
11
AWS DynamoDB - A NoSQL Database Service
AWS DynamoDB - A NoSQL Database Service
Understanding RDBMSes
Introducing DynamoDB
DynamoDB components
Read consistency model
Naming rules and data types
Creating a DynamoDB table
Methods of accessing DynamoDB
DynamoDB provisioned throughput
Partitions and data distribution
GSIs and LSIs
DynamoDB Query
DynamoDB Scan
Reading an item from a DynamoDB table
Writing an item to a DynamoDB table
User authentication and access control
DynamoDB best practices
Summary
12
Amazon Simple Queue Service (SQS)
Amazon Simple Queue Service (SQS)
Why use SQS?
How do queues work?
Main features of SQS
Queue attributes
Operations in a queue
SQS limits
Queue monitoring and logging
SQS security
Summary
13
Simple Notification Service (SNS)
Simple Notification Service (SNS)
Introducing Amazon SNS
Amazon SNS fanout
Application and system alerts
Creating an Amazon SNS topic
Subscribing to an SNS topic
Publishing a message to an SNS topic
Deleting an SNS topic
Managing access to Amazon SNS topics
Architectural overview
SNS best practices
Summary
14
AWS Simple Workflow Service (SWF)
AWS Simple Workflow Service (SWF)
When to use Amazon SWF
SWF endpoints
Managing access with IAM
Summary
15
CloudFormation Overview
CloudFormation Overview
Understanding templates
Understanding a stack
The template structure
A sample CloudFormation template
CloudFormer
Rolling updates for auto scaling groups
CloudFormation best practices
Summary
16
Understanding Elastic Beanstalk
Understanding Elastic Beanstalk
Introduction to Elastic Beanstalk
Elastic Beanstalk components
Elastic Beanstalk environment tiers
Elastic Beanstalk-supported platforms
Creating a web application source bundle
Getting started using Elastic Beanstalk
The version life cycle
Deploying web applications to Elastic Beanstalk environments
Monitoring the web application environment
Elastic Beanstalk best practices
Summary
17
Overview of AWS Lambda
Overview of AWS Lambda
Introducing AWS Lambda
Environment variables
Tagging Lambda functions
Lambda functions over VPC
Building applications with AWS Lambda
AWS Lambda best practices
Summary
18
Key Management Services
Key Management Services
Introducing encryption
How does KMS work?
Types of keys
Creating a CMK
Updating the administrators or users of a key
Tagging a key
Enabling or disabling keys
AWS services supported by KMS
Summary
19
Working with AWS Kinesis
Working with AWS Kinesis
Kinesis Video Streams
Kinesis Data Streams
Kinesis Data Firehose
Kinesis Data Analytics
Summary
20
Working with AWS CodeBuild
Working with AWS CodeBuild
Introducing AWS CodeBuild
Understanding AWS CodeBuild
Working with AWS CodeBuild
Summary
21
Getting Started with AWS CodeDeploy
Getting Started with AWS CodeDeploy
The need for CodeDeploy
Introducing CodeDeploy
Components of CodeDeploy
Summary
22
Working with AWS CodePipeline
Working with AWS CodePipeline
Introducing CodePipeline and workflows
AWS CodePipeline usages
AWS CodePipeline – a higher-level view
AWS CodePipeline concepts
Working with CodePipeline
Summary
23
CI/CD on AWS
CI/CD on AWS
Understanding CI/CD
AWS tools for CI/CD
Summary
24
Serverless Computing
Serverless Computing
Recapping AWS Lambda
An overview of API Gateway
Understanding step functions
Amazon Cognito
Amazon Cognito Sync
Summary
25
Amazon Route 53
Amazon Route 53
Introduction to Route 53
Hosted zones
DNS record types
Routing policies
Health checking
Summary
26
ElastiCache Overview
ElastiCache Overview
Introduction to ElastiCache
ElastiCache engine types
Designing the right cache for your workload
Summary
27
Mock Tests
Mock Tests
Mock test 1
Mock test 2
28
Assessments
Assessments
Mock Test 1
Mock Test 2
29
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Queue monitoring and logging

Monitoring SQS queues plays a vital role in an application's life cycle. There are many functions that are dependent on monitoring, using CloudWatch and relevant triggers. For example, you monitor the size of a queue and define a trigger to automatically scale up EC2 instances with an Auto Scaling group. Similarly, you can scale the number of instances serving the consumer process if the size of a queue is smaller. Considering the criticality of monitoring with SQS, CloudWatch and SQS are integrated so that you can easily view and analyze various CloudWatch metrics for SQS queues. Queue metrics can be viewed and analyzed using an SQS console, CloudWatch console, programmatically using APIs, or using the CLI.

Amazon automatically gathers CloudWatch metrics for an SQS queue and pushes it to CloudWatch with an interval of five minutes. Amazon gathers...

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