Book Image

AWS Certified SysOps Administrator ??? Associate Guide

By : Marko Sluga
Book Image

AWS Certified SysOps Administrator ??? Associate Guide

By: Marko Sluga

Overview of this book

AWS certifications are becoming one of the must have certifications for any IT professional working on an AWS Cloud platform. This book will act as your one stop preparation guide to validate your technical expertise in deployment, management, and operations on the AWS platform. Along with exam specific content this book will also deep dive into real world scenarios and hands-on instructions. This book will revolve around concepts like teaching you to deploy, manage, and operate scalable, highly available, and fault tolerant systems on AWS. You will also learn to migrate an existing on-premises application to AWS. You get hands-on experience in selecting the appropriate AWS service based on compute, data, or security requirements. This book will also get you well versed with estimating AWS usage costs and identifying operational cost control mechanisms. By the end of this book, you will be all prepared to implement and manage resources efficiently on the AWS cloud along with confidently passing the AWS Certified SysOps Administrator – Associate exam.

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Table of Contents (26 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 SysOps Administrators and Associated Certification
Overview of AWS Certified SysOps Administrators and Associated Certification
The exam blueprint
The exam's requirements
The exam's structure
The scoring
The exam knowledge domains
The questions structure
Taking the exam
2
The Fundamentals of Amazon Web Services
The Fundamentals of Amazon Web Services
Technical requirements
What is the AWS platform?
The shared responsibility model
Advantages of using AWS
AWS Foundation Services
AWS Platform Services
Using AWS services
Cloud-native and serverless designs
Choosing availability zones and regions
Summary
Questions
Further reading
3
Managing AWS Security with Identity and Access Management
Managing AWS Security with Identity and Access Management
Technical requirements
Overview of Identity and Access Management
Managing access with IAM
Integration with external directories
IAM best practices
Summary
Questions
Further reading
4
Networking with the Virtual Private Cloud
Networking with the Virtual Private Cloud
Technical requirements
VPC overview
VPC subnets
Connecting to on-premises resources
VPC endpoints and AWS PrivateLink
VPC peering connections
Network security in the VPC
Building a custom VPC
Summary
Questions
Further reading
5
Managing Servers on AWS with Elastic Compute Cloud
Managing Servers on AWS with Elastic Compute Cloud
Technical requirements
EC2 overview
Components of a virtual machine instance
Instance store and EBS volumes
Connecting instances to the network
EC2 high availability scenarios
EC2 placement groups
Building an EC2 instance in AWS
Summary
Questions
Further reading
6
Handling Server Traffic with Elastic Load Balancing
Handling Server Traffic with Elastic Load Balancing
Technical requirements
The AWS Elastic Load Balancing service
Maintaining session state
Building an ELB for EC2 instances
Summary
Questions
Further reading
7
Understanding Simple Storage Service and Glacier
Understanding Simple Storage Service and Glacier
Technical requirements
Overview of Amazon S3 and Glacier
S3 storage classes
S3 bucket restrictions and limitations
S3 performance recommendations
Amazon S3 and Glacier use cases
Working with S3
Summary
Questions
Further reading
8
Understanding Content Distribution with CloudFront
Understanding Content Distribution with CloudFront
Technical requirements
Overview of CloudFront
Edge Locations
Content delivery methods
Cache behavior
Working with CloudFront
Summary
Questions
Further reading
9
AWS Storage Options
AWS Storage Options
Technical requirements
Overview of storage options on AWS
Introduction to Elastic File System (EFS)
Introduction to Storage Gateway
Introduction to Snowball
Introduction to Snowmobile
Summary
Questions
Further reading
10
Working with the Route 53 Domain Name System
Working with the Route 53 Domain Name System
Technical requirements
Introduction to Route 53
Route 53 supported DNS resource record types
Registering a domain and creating a zone
Routing policies
Health checking
Best practices
Summary
Questions
Further reading
11
Working with Relational Database Services
Working with Relational Database Services
Technical requirements
Introduction to RDS
RDS engine types
Best practices for deploying RDS instances
Changing RDS instance types
Read replicas
Sharding data over RDS instances
Creating and restoring snapshots
Summary
Questions
Further reading
12
Introduction to ElastiCache
Introduction to ElastiCache
Technical requirements
What is ElastiCache?
Engine types
Caching strategies
Best practices
Summary
Questions
Further reading
13
Amazon DynamoDB - A NoSQL Database Service
Amazon DynamoDB - A NoSQL Database Service
Technical requirements
Introduction to DynamoDB
ACID versus BASE
Relational versus non-relational DB
DynamoDB core concepts
Read consistency
Creating a DynamoDB table
DynamoDB provisioned throughput
DynamoDB partitions and distribution
Accessing DynamoDB
User authentication and access control
DynamoDB service ceiling
Summary
Questions
Further reading
14
Working with Simple Queue Service
Working with Simple Queue Service
Technical requirements
Introduction to queuing
How a queue works
Managing queues
Working with messages
Queue limits
Queue security
Summary
Questions
Further reading
15
Handling Messaging with Simple Notification Service
Handling Messaging with Simple Notification Service
Technical requirements
Introduction to SNS
SNS use cases
Working with topics
Managing SNS access
Summary
Questions
Further reading
16
Getting Started with Simple Workflow Service
Getting Started with Simple Workflow Service
Technical requirements
Introduction to SWF
Components of the SWF
Managing access with IAM
Summary
Questions
Further reading
17
Overview of AWS Lambda
Overview of AWS Lambda
Technical requirements
Introduction to AWS Lambda
Supported languages
Creating a Lambda function
Supported AWS services
Business cases
Summary
Questions
Further reading
18
Monitoring Resources with Amazon CloudWatch
Monitoring Resources with Amazon CloudWatch
Technical requirements
Introduction to Amazon CloudWatch
How CloudWatch works
Elements of CloudWatch
CloudWatch dashboards
Monitoring EC2
Monitoring RDS
Monitoring ElastiCache
SQS monitoring and logging
Monitoring SNS with CloudWatch
Monitoring Elastic Beanstalk environments
Billing alerts
Summary
Questions
Further reading
19
Understanding Elastic Beanstalk
Understanding Elastic Beanstalk
Technical requirements
Introduction to Elastic Beanstalk
Supported platforms
Supported AWS services
Deploying an application with Elastic Beanstalk
Managing Elastic Beanstalk environments
Updating Elastic Beanstalk environments
Summary
Questions
Further reading
20
Automation with the CloudFormation Service
Automation with the CloudFormation Service
Technical requirements
Introduction to CloudFormation
CloudFormation basic elements
How does CloudFormation work?
Creating an EC2 instance using a template (code example)
Summary
Questions
Further reading
21
Cloud Orchestration with OpsWorks
Cloud Orchestration with OpsWorks
Technical requirements
Introduction to OpsWorks
How OpsWorks works
Components of OpsWorks
Summary
Questions
Further reading
22
Exam Tips and Tricks
Exam Tips and Tricks
Technical requirements
Introduction
Monitoring metrics and managing cost
High availability and scaling
Analysis of your AWS environment
Deployment and provisioning
Data management
Security
Networking
Summary
Further reading
23
Mock Tests
Mock Tests
Mock test 1
Mock test 2
24
Assessments
Assessments
Chapter 2 – The Fundamentals of Amazon Web Services
Chapter 3 – Managing AWS Security with Identity and Access Management
Chapter 4 – Networking with Virtual Private Cloud
Chapter 5 – Managing Servers on AWS with Elastic Compute Cloud
Chapter 6 – Handling Server Traffic with Elastic Load Balancing
Chapter 7 – Understanding Simple Storage Service and Glacier
Chapter 8 – Understanding Content Distribution with CloudFront
Chapter 9 – AWS Storage Options
Chapter 10 – Working with Route 53 Domain Name System
Chapter 11 – Working with Relational Database Services
Chapter 12 – Introduction to ElastiCache
Chapter 13 – Amazon DynamoDB – a NoSQL Database Service
Chapter 14 – Working with Simple Queue Service
Chapter 15 – Handling Messaging with SNS
Chapter 16 – Getting Started with Simple Workflow Service
Chapter 17 – Overview of AWS Lambda
Chapter 18 – Monitoring Resources with Amazon CloudWatch
Chapter 19 – Understanding Elastic Beanstalk
Chapter 20 – Automation with CloudFormation service
Chapter 21 – Cloud Orchestration with OpsWorks
Chapter 23 – Mock Test
25
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To get the most out of this book

The knowledge that is required by readers in order to benefit from this book is as follows:

  • A basic understanding of general cloud computing terminology and environments
  • A basic understanding of networking, the OSI layers, and the IP stack
  • A basic understanding of network function devices, such as routers, firewalls, load balancers, and content delivery networks
  • A basic understanding of virtualization and server operating systems
  • A basic understanding of user and security management
  • A basic understanding of storage concepts (for example, object storage, block storage, and file storage)
  • A basic understanding of database services
  • A basic understanding of messaging in applications
  • A basic understanding of serverless computing
  • A basic understanding of automation and orchestration

In addition, a more in-depth understanding of the following topics will be beneficial:

  • Designing applications for high availability and resilience
  • Operating system scripting languages
  • Database structures
  • The JSON data format
  • Programming languages and application design

Download the example code files

You can download the example code files for this book from your account at www.packt.com. If you purchased this book elsewhere, you can visit www.packt.com/support and register to have the files emailed directly to you.

You can download the code files by following these steps:

  1. Log in or register at www.packt.com.
  2. Select the SUPPORT tab.
  3. Click on Code Downloads & Errata.
  4. Enter the name of the book in the Search box and follow the onscreen instructions.

Once the file is downloaded, please make sure that you unzip or extract the folder using the latest version of:

  • WinRAR/7-Zip for Windows
  • Zipeg/iZip/UnRarX for Mac
  • 7-Zip/PeaZip for Linux

The code bundle for the book is also hosted on GitHub at https://github.com/PacktPublishing/AWS-Certified-SysOps-Administrator-Associate-Guide. In case there's an update to the code, it will be updated on the existing GitHub repository.

We also have other code bundles from our rich catalog of books and videos available at https://github.com/PacktPublishing/. Check them out!

Download the color images

Conventions used

There are a number of text conventions used throughout this book.

CodeInText: Indicates code words in text, database table names, folder names, filenames, file extensions, pathnames, dummy URLs, user input, and Twitter handles. Here is an example: "Now, open the index.html file and edit the code to replace https://yourimagelinkgoeshere with your image link."

A block of code is set as follows:

<html>
<p>Everyone loves AWS!</p>
<p><a href="https://markocloud.com"><img src="https://markocloud.com/wp-content/uploads/2016/02/markocloud-180.gif" alt="" width="180" height="155" /></a></p>
</html>

Any command-line input or output is written as follows:

$ sudo file -s /dev/xvdb

Bold: Indicates a new term, an important word, or words that you see on screen. For example, words in menus or dialog boxes appear in the text like this. Here is an example: "To do so, we need to click on the bucket, select the Management tab, and click on Add lifecycle rule."

Warnings or important notes appear like this.
Tips and tricks appear like this.
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