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Welcome to backspace Academy. We're
currently at the start of all the

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pathways to AWS certification
preparation with backspace Academy

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so it doesn't matter whether you're just going
to go on and do the cloud practitioner

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certification or if you're going to go
further and do an associate level

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certification like the developer or
Solutions Architect or SysOps

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administrator associate this is still
fundamental required knowledge for you

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to proceed any further so make sure that
you don't skip over this and do it and

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without any further ado let's get into
it

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So what is the AWS cloud? AWS has
invested billions of dollars in IT

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resources that are distributed across
the globe and the use of those resources

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are shared amongst thousands upon
thousands of AWS account holders

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now although those resources are shared
amongst those account holders the

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accounts themselves are completely
isolated from each other at the

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hypervisor level you also have the
option of your own dedicated resources

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if you wish, you as an account holder can
have on-demand delivery of IT resources

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on a pay-as-you-go pricing model with no
upfront costs you only pay for what you

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use the more you use the more you pay
the less you use the less you pay when

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you don't use it you don't pay for it
when you use it you pay by the hour or

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the minute or the second and some
services even provide billing by the

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millisecond now that provides some
really good economies of scale because

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the cost of that infrastructure is
shared across thousands upon thousands

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of account holders if you're a large
enterprise that is great because you

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don't have to worry about the capital
expenditure of your own infrastructure

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and you don't have to worry about the
maintenance staff to support that

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infrastructure now that infrastructure
is organized according to a range of

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different product types if you want to
use those IT resources for pure

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computing power AWS can do that for you,
if you want to use AWS just to store

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data
AWS can do that for you as well

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if you want to run a database as a service if
you want to run a relational database a

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noSQL database a graph database as a
service AWS can do that for you and

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they'll do that on-demand on a
pay-as-you-go pricing model

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the AWS global infrastructure is massive
and is divided into geographic regions

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and those geographic regions are divided
into separate availability zones

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as you can see there are lots of regions
distributed throughout the globe for

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this course we will be using the North
Virginia region because that is the

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largest region and supports all of the
available AWS services if you're using a

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smaller region for example Mumbai you
may encounter problems if it doesn't

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support all of the services. The AWS
Gov cloud is located in the u.s. west coast

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and is specifically for US
government organizations

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there is also an AWS secret region and I
can't tell you where that is because

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it's a secret that region is
specifically for US government

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intelligence organizations and in case
you're wondering

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yes, the CIA is a customer of AWS. Your choice
of region can depend upon a number of

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things and you may want to have the
lowest latency and you want your server

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to be located as close to your customers
as possible but you may also want to

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minimize costs for example I'm located
in Sydney but I mainly use the North Virginia

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region because it is cheaper
for me you may also want to locate your

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server in another country for regulatory
reasons or you may want to be located in

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your country for regulatory reasons so
there are a number of factors to take

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into consideration when selecting a
region. Each region is divided up into at

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least two availability zones that are
physically isolated from each other this

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provides business continuity for your
infrastructure if you have it

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distributed across multiple availability
zones if one availability zone goes down

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the infrastructure in the other
availability zone will continue to operate

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the largest region us East North Virginia  has six availability zones

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and
the availability zones are connected to

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each other through a high-speed
fiber-optic network there are over 100

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edge locations that are used for the
CloudFront content delivery network

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CloudFront can case your popular
content such as images and videos and

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distribute that to edge locations across
the globe for high-speed delivery to

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your end-users no matter where they are
located and it'll do that with very low

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latency. It also provides great
protection against DDoS attacks

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the AWS management console is a
web-based interface to AWS and will use

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it throughout the course to access AWS
services and you'll also use it to

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monitor your costs you need to have an
account to access it but once you have

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an account created you can access it
simply by clicking on the my account'

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menu from the AWS website and then
selecting the management console is also

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an AWS console mobile app and that is
great for tablets you can also access

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AWS resources through the many software
development kits this allows you to

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create applications that use AWS as a
back-end. There are SDKs for all the

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major languages and there's also a
mobile SDK it's also possible to access

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AWS with direct HTTP calls using the AWS
REST API. You can also install a

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command-line interface on your desktop
and that will allow you to remotely

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connect into AWS and also be able to
create and run scripts to automate a lot

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of the processes on AWS
the AWS website is located at

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aws.amazon.com what I want you to do now
is to go to that website and bookmark

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some pages of the website the first one
is the certification page and that will

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have links to everything you need to
know about the certification process so

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if you're not sure what certification to
do or you want to know how to schedule

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and set an exam that is a place to go
the next one is the documentation page

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throughout the course we will be
referencing the documentation for the

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services on AWS so there is a very
important link and the exam it's going

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to be testing your knowledge of a lot of
this documentation AWS also has a site

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specifically
for white papers and they discuss

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technical issues and use cases for AWS
the products page gives a really good

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overview of the main products of AWS and
finally the new products and services

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page and that'll keep you up to date on
the latest things that are happening in AWS

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okay let's get started with AWS
first off go to aws.amazon.com click on

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the orange signup button in the top
right hand corner and complete that

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signup process you'll need to have a
credit card to sign up but don't be too

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concerned as there is a free tier
available for a 12-month period and most

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of the course will be operating under
that free tier we can also set up a

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billing alert to alert you if you exceed
your budget for example we can set up a

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$5 billing alert to notify you if you
exceed $5 for the month once you've

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created that account you can then get
into the management console by clicking

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on the my account menu and selecting AWS
management console coming up next will

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be some hands-on labs on AWS services so
make sure that you download the lab

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notes that come with this introduction
to AWS

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or proceeding any further and once
you've done that I'll see you in the

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next lecture