AWS Certified Developer-Associate Guide by Tankariya, Vipul -- Read -- Imperial Library of Trantor

Index

Title Page Copyright

AWS Certified Developer - Associate Guide

Credits About the Author Acknowledgments About the Author About the Reviewer www.PacktPub.com

Why subscribe?

Customer Feedback Dedication Preface

What this book covers What you need for this book Who this book is for Conventions Reader feedback Customer support

Downloading the color images of this book Errata Piracy Questions

AWS Certified Developer – Associate Certification

Domain 1.0 – AWS fundamentals Domain 2.0 – Designing and developing Domain 3.0 – Deployment and security Domain 4.0 – Debugging Frequently asked questions about the exam

Introduction to Cloud Computing and AWS

History of the cloud

Evolution of cloud computing

Basic AWS concepts Benefits of using AWS over a traditional data center Accessing AWS services AWS overview

AWS global infrastructure

Regions and AZs

What are SaaS, PaaS, and IaaS? Understanding virtualization

Virtualization types based on virtualization software Virtualization types based on virtualization methods

Elasticity versus scalability

Traditional data center resourcing Cloud infrastructure resourcing

Comparing AWS cloud and on-premise data centers Total Cost of Ownership (TCO) versus Return on Investment (ROI) Creating a new AWS account Deleting an AWS account AWS free tier Root user versus non-root user AWS dashboard

Components of the AWS dashboard

Core AWS services Shared security responsibility model AWS soft limits Disaster recovery with AWS

Backup and restore Pilot light Warm standby Multi-site

Identity and Access Management

Understanding the AWS root user Elements of IAM

Users Access key and secret key Password policy Multi-factor authentication (MFA)

Security token-based MFA

Steps for enabling a virtual MFA device for a user

SMS text message-based MFA

Creating an AWS IAM user using the AWS dashboard

Introduction to AWS CLI

Installing AWS CLI Getting a AWS user access key and secret key Configuring AWS CLI AWS CLI syntax

Getting AWS CLI help Creating an IAM user using AWS CLI

Groups

Creating a new IAM group Creating an IAM group using CLI Adding existing users to a group

IAM role

Creating roles for an AWS service Creating IAM roles using AWS CLI

Policy

Managed policies Inline policies Resource-based policies

Example of a resource-based policy

IAM policy simulator Active Directory Federation Service (ADFS) Integration between ADFS and the AWS console Web identity federation

STS

AWS STS and AWS regions Using temporary credentials in Amazon EC2 instances Using temporary security credentials with the AWS SDKs

IAM best practices Exam tips

Virtual Private Clouds

AWS VPCs Subnets

Private subnets Public subnets

IP addressing

Private IPs Public IPs Elastic IP addresses

Creating a VPC

VPCs with a single public subnet VPCs with private and public subnets VPCs with public and private subnets and hardware VPN access VPCs with private subnet only and hardware VPN access

Security

Security groups NACLs Security groups versus NACLs Flow logs Controlling access

VPC networking components

ENI Route tables IGWs Egress-only IGWs

NATs

Comparison of NAT instances and NAT gateways

DHCP option sets

DNS

VPC peering VPC endpoints ClassicLink VPC best practices

Getting Started with Elastic Compute Cloud

Introduction to EC2 Pricing for EC2

Per-second billing for EC2 instances and EBS volumes

EC2 instance life cycle

Instance launch

Instance stop and start Instance reboot Instance retirement Instance termination

AMIs

Root device types EC2 instance virtualization types

Creating an EC2 instance Changing the EC2 instance type Connecting to the EC2 instance

Connecting to a Linux EC2 instance from a Microsoft Windows system Connecting to an EC2 instance using a PuTTY session

Troubleshooting SSH connection issues EC2 instance metadata and user data Placement group

Introducing EBS

Types of EBS

General Purpose SSD (gp2) Provisioned IOPS SSD (io1) Throughput Optimized HDD (st1) Cold HDD (sc1)

Encrypted EBS Monitoring EBS volumes with CloudWatch Snapshots EBS optimized EC2 instances

EC2 best practices

Handling Application Traffic with Elastic Load Balancing

Introduction to the Elastic Load Balancer

Benefits of using an ELB Types of ELB

Classic Load Balancer Application Load Balancer

Features of an ELB Step by step – creating a Classic Load Balancer How an ELB works

The working of a Classic Load Balancer The working of an Application Load Balancer

ELB best practices

Monitoring with CloudWatch

How Amazon CloudWatch works Elements of Amazon CloudWatch

Namespaces Metrics Dimensions Statistics Percentile Alarms

Creating a CloudWatch alarm

Billing alerts

CloudWatch dashboards Monitoring types – basic and detailed CloudWatch best practices

Simple Storage Service, Glacier, and CloudFront

Amazon S3 Creating a bucket

Bucket restriction and limitations Bucket access control Bucket policy User policies

Transfer Acceleration

Enabling Transfer Acceleration

Requester Pay model

Enabling Requestor Pays on a bucket

Understanding objects

Object keys

Object key naming guide

Object metadata

System-metadata User-defined metadata

Versioning

Enabling versioning on a bucket

Object tagging S3 storage classes

S3 Standard storage S3-IA storage S3 RRS Glacier

Comparison of S3 storage classes and Glacier Life cycle management

Life cycle configuration use cases Defining life cycle policy for a bucket

Hosting a static website on S3 Cross-Origin Resource Sharing (CORS)

Using CORS in different scenarios Configuring CORS on a bucket CORS configuration example XML

Enabling CORS on a bucket

Cross-region replication

Enabling cross-region replication

Other AWS Storage Options

Amazon EFS AWS Storage Gateway

File gateways Volume gateways

Gateway–cached volumes Gateway–stored volumes

Tape-based storage solutions

VTL

AWS Snowball AWS Snowmobile

AWS Relational Database Services

Amazon RDS components

DB instances Region and AZs Security groups DB parameter groups DB option groups

RDS engine types

Amazon Aurora DB

Comparison of Amazon RDS Aurora with Amazon RDS MySQL

MariaDB Microsoft SQL Server MySQL Oracle PostgreSQL

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

Amazon RDS and high availability

Connecting to an Amazon RDS DB instance

Connecting to an Amazon Aurora DB cluster Connecting to a MariaDB instance Connecting to a MySQL instance Connecting to an Oracle instance

RDS best practices

AWS DynamoDB - A NoSQL Database Service

Let's first understand what an RDBMS is

What is SQL? What is NoSQL?

Key-value pair databases Document databases Graph databases Wide column databases When to use NoSQL databases?

SQL versus NoSQL

Introducing DynamoDB

DynamoDB components Primary key Secondary indexes DynamoDB Streams Read consistency model

Eventually consistent reads Strong consistent reads

Naming rules and data types

Naming rules Data types

Scalar data types Document types Set types

Creating a DynamoDB table – basic steps

Adding a sort key while creating a DynamoDB table Using advanced settings while creating a DynamoDB table Creating secondary indexes – table settings Provisioned capacity – table settings Auto Scaling – table settings

Methods of accessing DynamoDB

DynamoDB console DynamoDB CLI Working with API DynamoDB provisioned throughput

Read capacity units Write capacity units

Calculating table throughput DynamoDB partitions and data distribution Data distribution – partition key Data Distribution – partition key and sort key DynamoDB global and LSI

The difference between GSI and LSI

DynamoDB query Query with AWS CLI DynamoDB Scan Reading an item from a DynamoDB table Writing an item to a DynamoDB table

PutItem UpdateItem DeleteItem Conditional writes

User authentication and access control

Managing policies DynamoDB API permissions

DynamoDB best practices

Amazon Simple Queue Service

Why use SQS? How do queues work? Main features of SQS Types of queues Dead Letter Queue (DLQ) Queue attributes Creating a queue Sending a message in a queue Viewing/deleting a message from a queue Purging a queue Deleting a queue Subscribing a queue to a topic Adding user permissions to a queue SQS limits Queue monitoring and logging

CloudWatch metrics available for SQS Logging SQS API actions

SQS security

Authentication

SSE

Simple Notification Service

Introduction to Amazon SNS

Amazon SNS fanout

Application and system alerts Mobile device push notifications Push email and text messaging

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

When to use access control

Key concepts Architectural overview Access request evaluation logic

Invoking the Lambda function using SNS notification Sending Amazon SNS messages to Amazon SQS queues Monitoring SNS with CloudWatch SNS best practices

Simple Workflow Service

When to use Amazon SWF Workflow

Example workflow Workflow history

How workflow history helps

Actors

Workflow starter Decider Activity worker

Tasks SWF domains Object identifiers Task lists Workflow execution closure

Lifecycle of workflow execution Polling for tasks SWF endpoints Managing access with IAM

SWF – IAM policy examples

AWS CloudFormation

What is a template? What is a stack?

Template structure

AWSTemplateFormatVersion Description Metadata Parameters

AWS-specific parameters

Mappings Conditions Transform Resources Outputs

Sample CloudFormation template CloudFormer Rolling updates for Auto Scaling groups

CloudFormation best practices

Elastic Beanstalk

Elastic Beanstalk components Architectural concepts

Web server environment tier Worker environment tiers Elastic Beanstalk-supported platforms Creating a web application source bundle

Getting started using Elastic Beanstalk

Step 1 – signing in to the AWS account Step 2 – creating an application Step 3 – viewing information about the recently created environment Step 4 – deploying a new application version Step 5 – changing the configuration Step 6 – cleaning up

Version life cycle Deploying web applications to Elastic Beanstalk environments Monitoring the web application environment Elastic Beanstalk best practices

Overview of AWS Lambda

Introduction to AWS Lambda

What is a Lambda function? Lambda function invocation types Writing a Lambda function

Lambda function handler (Node.js) Lambda function handler (Java) Lambda function handler (Python) Lambda function handler (C#)

Deploying a Lambda function AWS Lambda function versioning and aliases

Environment variables Tagging Lambda functions

Lambda function over VPC Building applications with AWS Lambda

Event source mapping for AWS services Event source mapping for AWS stream-based services Event source mapping for custom applications AWS Lambda best practices

Mock Tests

Mock test 1 Mock test 2 Answers to Mock test 1 Answers to Mock test 2

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