Pratica di Shadowing: Configure storage accounts | AZ-104 | Episode 16 - Impara a parlare inglese con i video

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Data and the availability of data is the value part of any business proposition that you're working with.

The resources at the underlying ways to deliver that data to you are important, but the data itself is going to be super important to make sure that it's safe,

secure, reliable, and always available.

Azure Storage accounts are going to give us that capability, as well as teach us some several base components

that will allow us to understand how Azure as a whole performs a number of its magical duties.

With that, my name is Bob Tickleman.

I'm excited to be your guide for this module on Azure Storage.

Azure Storage is a foundational tool for the storage of information.

It's going to provide a wide variety of configurations that will meet almost any business requirement that you have.

Where it's going to fall into the categories of unstructured data and lightly structured data.

Highly structured data like SQL is not going to be available.

It's done in specific tools, but you'll see in the storage account, we have the capability to have those two types of storage of unstructured data,

that traditional hard drive that has xls doc doc files you know exes inis

that variety of unstructured data as well as having some lightly

structured data very similar to a table structure you're working with

so we're going to take a look at a deep dive in storage

and by learning these skills

and understanding the deeper components of how they do their work

it will reveal on a whole how azure does a lot of what it does

so with this we're going to take a look at storage accounts the kinds of accounts that are available, and use case scenarios of how to deploy and get the best business value from that.

A storage account is a regionally based unit of storage and replication.

I've been using that line since I've been teaching Azure, and it sounds kind of straightforward to me, and I've said it so many times, it just makes sense.

But I want to stress this again.

An Azure storage account by itself doesn't store anything.

It is a regionally based So we're going to go and take a look at what that means.

So if you have to have store stuff in two different locations, maybe in North America and one in Europe, you would need two different storage accounts, one per region.

Now, if you have two locations in North America, one per region, so you'd have to have one for each region.

So a storage account is a regionally -based unit of replication.

We're going to dive deeper into this

and take a look at the different ways in which Microsoft makes the storage information highly available,

ranging from anywhere from 11 nines to 16 nines of high availability.

So that's 99 .99999999999999999999 times,

which is far beyond what most people look at of the five nines

that we all strive for in our on -premise world.

So a storage account, regionally -based unit of replication.

If you needed two different types of replication, and you'll see that there's multiple types up to six, you're going to have to have two different storage accounts for that.

Okay, so let's go off and do some whiteboarding.

We're going to come back and take a look at how

that gets implemented because I want to understand the base components before we go in

and take a look at the types of storage that can appear in a storage account.

So starting off with that comment about a storage account is a regionally base.

We've seen this map in other recordings where these are the current 67 regions that are available in public Azure.

So if I wanted to store something here in this location, I would need a storage account.

If I needed my application having it in North America in that location, I would have a storage account for it.

Now, we've also shown you in other recordings what a region looks like.

So here is, this is US East, which is our biggest region.

It's our favorite.

You know, it gets everything first.

US East, this picture in the upper right -hand corner is what it looked like in 2014.

Each one of these data centers has its own standalone redundant power,

network connections, air conditioning, cooling, all of that stuff.

And you can actually see different designs, what we call our Gen 1, our Gen 2.

And you'll see that in 2017, we added a significant amount of resources.

So that picture in the upper right is that piece right there.

We've more than doubled the capacity with our advancements in 2017.

And it's changed even since then with these massive data centers that you're working with.

And the reason I show that is because I want to talk about this thing called an availability zone.

And then we're going to go in and take a look at what happens inside of the data center itself.

So an availability zone.

is a way for Microsoft to obfuscate the data center structure.

You don't get to pick a data center.

What Microsoft does is we then balance the load across the region

so that we don't fill up all the resources in one data center.

When it's full, we go to another data center, fill it all up, because it would then provide single points of failure.

What we do by making availability zones available to you, I have blue user who has availability zone 1, 2, and 3.

They have three zones, and what Microsoft will do is we will determine which data centers make up zone 1, 2, and 3.

So for blue user, this one might be 1, this one might be 1, this one might be 1, this might be 1, this might be 1.

Zone 2 is here, zone 2 is here.

We've got a couple of 2s up here.

We've got a 2 here and a 2 there.

Zone 3 might be here, here, here, 3, 3, and 3.

So all of the data centers that make up that region will then be identified for blue user, whether it be a Zone 1, Zone 2, or Zone 3.

So you might get one of your applications in Zone 3 put there, and another one put into a different Zone 3.

But it's now spreading this load across multiple data centers, limiting the potential chance of a single point of failure.

Doing the same thing for green user, they have a zone one, zone two, and three.

Their zone one might be here, here, here.

It might be zone one.

Their zone two. And their zone three.

I'll go into the same one.

Zone three, zone three.

So we'll spread them around that vary from user to user.

It's not the same thing for everybody.

So understand that zonal concept.

Now I'm going into deep dive on this

because this technology is going to be the same thing when we get into a whole nother set of recordings.

Later on, when we take a look at a thing called PaaS

or Platform as a Service and things like app service plans, a lot of those ideas are going to be replicated on this concept of Azure Storage.

So I'm doing a deep dive here.

And when I do those later recordings, I'm going to refer back that someone comes and watches this specific session

because I'm not going to do this in all of them.

I'm not going to repeat that.

But this is going to be a deeper dive.

You know, learn it once and you'll be able to use it many times over.

We saw that within a region, there is one or more data centers.

That's great.

So we're going to take a look at what happens inside of a single data center.

Inside of the data center, we have things that are called scale units.

Now, this is a concept that's probably well beyond what most people need to know.

But I feel, especially as administrators, the more you understand this, the better you're going to be able to guess other topics.

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What a scale unit does is define a configuration that is deployed to a node set or a group of computers.

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So we may have a scale unit that is specifically designed for storage.

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We might have a node set that is going to be configured for compute.

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And so everything in that scale unit will have a single configuration

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and we might have multiple scale units of a similar type.

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Each scale unit then has a term called a fault domain

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that indicates a single point of failure within the set of scale units.

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So it's hierarchical.

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A scale unit has a set of fault domains that make up similarly configured devices, each having a single point of failure.

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Now, that single point of failure typically becomes a thing called a TOR, or the top of rack switch,

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that are two of them that are redundantly connected back into the backbone of the Nazar's communication.

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We have the PDUs, or the power distribution units, that again are redundantly connected to all of the nodes that are on that scale unit.

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Inside of them, we have nodes.

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We've got node 1, node 2, node 3, node 4, and so on.

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So a scale unit has these, and they have, I've put Windows in there, we actually have our own operating system, I'll call it Azure, that is deployed to these nodes.

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Now let's take a look at how this comes into play.

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A storage account is a regionally based unit of replication.

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I have a file.

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I've got bob .doc.

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That file is going to connect to a thing called a resource provider.

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Now, if you saw the recordings, you would have seen this diagram.

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I have my bob .doc, that if I'm looking at that file, it is accessed

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and we saw in other recordings there's different ways through the

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graphical interface through clis bash command line tools you're going to connect to this case the storage resource provider

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and we saw again in a networking component

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that we talked about creating a service endpoint

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so storage is an azure service now i've talked about in other modules as well some golden rules

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that appear at microsoft in general child objects inherit things from

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the parent go see those modules permissions are cumulative with the

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exception of deny again talked about in security modules here all

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data in azure is stored a minimum of three times I

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don't care what it is a minimum of three times

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so what will happen is my bob .doc however I've decided

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to store it is going to hit the storage resource provider

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and here's the eye -winking moment the thing it is synchronously connected to all three copies.

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So someplace in Azure, there's going to be three full copies of that bob .doc file.

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This is not RAID.

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It's not redundant array of independent

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or inexpensive disks where we're putting portions of it across multiple disks so that if one fails, we have three distinct copies that are synchronously connected.

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And if I make a change, it is synchronously connected to those three copies.

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Now, we're going to refer to that term called LRS, or Locally Redundant Storage.

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You'll see this when we get back to the PowerPoint slides.

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But LRS synchronously connects to those three copies, and we're going to then see how that plays out in the data centers itself.

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So I've got my bob .doc connects to the resource providers, and it's now going to write three copies of

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that bob .doc file someplace into an LRS locally redundant storage into a single data center inside of the region.

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So as I'm drawing this, I'm hopefully some of you are thinking like, Bob, what are you doing?

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I've now put those three copies into the same fault domain.

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This is not a good thing because

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if the TORs go down I lose the entire scale unit meaning I lose access to my three copies.

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So that's not what happens.

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I want some of you

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while I clean up here I want you to think of what you think is going to fix this problem.

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What it does instead of writing three copies into the same three fault domain inside of the same data center, it's gonna spread it across three fault domains.

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And this is where those 11 nines of high availability starts to come.

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I've now got bob .doc across three different fault domains so that if I do end up losing a single fault domain,

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I still have multiple copies of that information.

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Now be careful, this is not a form of backup.

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It is high availability because if I make a corrupting change to the bob .doc document,

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remember, it's going to synchronously make that corrupting change against all three.

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This is not a replacement for backing up.

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It does not guarantee a point in time recovery back to your data.

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Well, maybe I'm going to give you some examples of that.

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But by itself, a storage account is just for high availability across the three fault domains you're working with.

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So you're going, well, that's really good, Bob.

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But what happens if I lose an entire data center?

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Which could happen.

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It happens infrequently.

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And I know of one back in 2018.

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One of our data centers in south -central U .S., if you're familiar with that geographic area, sometimes called Tornado Alley,

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a single data center was hit with over 19 strikes of lightning and took an entire data center off.

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But the rest of the region was up and running

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so what we now do we give you an option instead

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of lrs we give you an option for zrs zone redundant

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storage i still have my bob .doc file this time it's a green one it's still within the same region

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but now it's going to go to a zone and i still have three copies but now those three copies

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are across three zones within the region

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and this way i could potentially lose an entire data center and still have access to my resources in that region.

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Pros and cons.

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You're going, Bob, why don't I use, you know, ZRS everywhere?

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Well, the problem with ZRS in some cases is there's potentially

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a sub two millisecond latency between the communications of all the data centers within that region.

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you don't get that level of latency potentially in an LRS solution because they are very close together, connected by fiber channels.

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So Microsoft guarantees sub two millisecond latency for those copies to be synchronized across the region.

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Well, what happens if I lose the entire region?

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Well, guess what we have?

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These people have thought of everything.

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We've talked about LRS, which then puts your three copies into three different fault domains within a single data center.

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We've taken a look at ZRS.

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That's going to put your three copies across three different zones, but within the same region.

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There is an option to have GRS and GZRS, globally redundant storage.

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So now what it's going to do in the case of LRS, I should maybe put that letter back in, LRS not only copies three copies redundantly,

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synchronously across the same data center, it now takes into a region pair.

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Going back to that map, remember Microsoft pairs our region.

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US East is paired with US West.

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US East 2 is paired with US Central.

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So if you set up GZRS or GRS for Globally Redundant Storage, it now takes three copies and async,

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asynchronously replicates those copies, three in another region that is paired.

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You don't get to pick this.

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It's the region pair picked by Microsoft.

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Now, this async, Microsoft talks about a delta potential difference of up to 15 minutes.

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Again, it's not instantaneous know that there's a point in time

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that it will replicate that stuff across to that other paired region.

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Now, I'm not going to get into all the details.

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This also provides high availability that if the entire region goes down,

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what Microsoft will do is say if you had a www page that referenced the IP address,

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if you go take a look at the networking modules where we took a look at things like application gateways, if you had an application gateway accessing the data here,

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What Microsoft will do is we will then reroute

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that to the globally redundant data that's running that application in the other region,

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knowing that there may be information that might be out of sync.

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So what we often recommend for this type of replication on a global basis is

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that you make it data that changes infrequently.

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I wouldn't use it for database replication.

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You know, there's other and better methods to do that, but for read -only files or information that changes infrequently,

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and you could live with potentially losing some of that in the case of a significant outage and the automatic failover features.

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So we're going to go back and take a look at some of these, but know that there's multiple types of replications that a storage account can have.

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And if you wanted one or more of these, you would have to have one or more storage accounts because a storage account is a regionally -based unit of replication.

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Now, we don't have time for it in the entirety of this class, but there's also gonna be a few features

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that I'll show you in the live demo

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that you now can actually replicate some or all of a storage account to any other region of your choosing.

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It's not gonna be the level of a storage account.

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It's gonna be up to you to manually say, oh, this container in this storage account, I want that information maybe over in Europe you can set up manual replication of

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that information that will be done on a regular interval, but it's not part of the normal storage account infrastructure.

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So hopefully that has helped you with understanding the components and how they work from a replication perspective.

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So with inside of Azure, the storage account has different types of data that it can work with.

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We have containers and files.

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These are what we call unstructured data.

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Unstructured data, as I've described, that's your traditional hard drive that has EXEs, MP3s, DLLs, INIs.

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It's got your .docs.

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It's got this unstructured set of data in whatever format kind of randomly spread across it.

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Now, those containers store what are called blobs or binary large objects.

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We're going to get into more of this in a few minutes, and you can see there are images, documents, videos, audio, all of that information.

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Now blobs or binary large objects are a new format to be able to store this

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and they can be massive in size.

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Some of you probably ran into a four gigabyte size limit in the old file share models that you were working with.

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Blobs are more of a new modern method to do this

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and it uses an HTTP or an HTTPS method to actually access that information.

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That's an eye -winking moment for you if you're going to take the exam.

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If you get a question saying, you're looking to access information over an HTTP request, that information should be stored in containers or blobs.

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Files and file shares go back to that traditional file service management system that you're used to.

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And it has directories you're working with, and it uses a thing called SMB or server message block.

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This is secured communication, and it's very fast from a protocol perspective, but know that there's a difference between the protocols themselves.

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Again, it has a wide variety of unstructured data that you're working with.

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Tables and queues become this lightly structured data.

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I'll show this in the live demo.

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We're not going to get too deep into it, but tables provide what are called name -value pairs.

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They can be used to store lightly structured data.

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If you're used to this, you might have heard terms like MongoDB, Gremlin, Cassandra, lightly structured data.

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And I'll use the example of it's like an Excel document.

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It's got rows and columns with name value pairs.

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The name of first name, the column header, has these values.

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Last name, these attributes, so those name value pairs.

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Queues fall into one of four queue types that we're working with,

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which become buffers to put data into that might then be a stopping point off to its next stage of its existence.

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So, you know, I think of queues very much like the phone.

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If you have only so many operators that can answer the phone, but you have more people calling in, they may get put into a queue waiting to actually be processed.

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And so from a technical perspective, if you're an application developer, this is what we often call decoupling.

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You know, we have the generation of information, and we need to decouple it from the backend storage or use of that information.

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We put it in the queue so it doesn't get lost, and then the backend can pull the information out of the queue.

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But all of those data types are potentially available to store

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in a storage account inside of a regionally based unit of replication.

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Inside the blobs, they actually have several different types of blobs and the storage accounts themselves.

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I'm going to say the vast majority of you are going

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to be working with standard v2 generations of storage they provide

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the most wide range capability of the type of data

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that you can store inside of them and for use cases

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and they're pretty good general use utility capabilities

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if you need some high performance what we often refer to as ultra discs the speed

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if you're familiar with terms called IOPS and throughput,

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you're looking possibly at like 50 ,000 IOPS performed by your standard disk,

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whether you're using standard HDDs or premium SSDs.

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When you get into a premium block, you're getting things into ultra disks that will get you into 160 ,000 IOPS,

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so significantly more throughput, but you're going to get less choices.

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I'll again show this in the live demonstration when I get to the portal.

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So these are going to be high performance requirements.

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We have all those capabilities available for you.

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They will also restrict the number and type of replications that are going to be available at the storage account.

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I've already talked about the region pairs.

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So here comes through, you know, taking a look at the region that you're dealing with.

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I introduced the term of LRS or locally redundant storage.

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If you need it copied over, you go to geo -redundant storage.

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If you need to make it highly available with inside of a region, you can have zone redundant and we have geo zone redundant storage as well

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so those become the different types and we have a version

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that is going to make it read accessible or ra so

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when i get to the demonstration you'll see

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that i could make it read accessible geo zone redundant

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that you're working with so that

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if i have a geo redundant copy maybe i've got the read write copy in the primary zone

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and that's where my changes are going to take place

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but infrequently but let's say I have an application that is backlogged

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and it can't get access in a timely manner from the primary region.

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Potentially, you could write your application to get it from a read -accessible version in the region pair version you're dealing with.

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Here are the different copies.

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I've done all of this for you, so I'm going to go through this pretty quickly.

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The LRS provides three copies and provides it in a synchronous connection inside of a single region.

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ZRS provides three copies in a single region, but protects it.

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Here again, those words, synchronous.

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If you get into a multi -region, you have a primary region with GRS, and then you're going to have an async replication.

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That delta time of approximately 15 minutes or no more.

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to another region, and then you get into the read -accessible geo -redundant.

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So it's very much like the geo -redundant, but what happens is you now have a read -accessible version.

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So if you've got millions of users that are hitting your primary site and it's overrunning it,

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potentially you could actually have it failover and potentially read that information from that other copy.

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So instead of waiting in a long lineup to get to that one copy, you go, hey, there's another door I'd get over here, but that's up to your application developers to work with.

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And they don't have the read -accessible geo -redundant storage that you're working with.

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So there's GZRS, so geographic zone redundant, and then we get RAGZRS.

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So those are the six different types of storage that you can work with throughout the Azure storage account, those different replications.

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How you access a storage account is based on a URI that might be familiar to you.

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Now, another eye -winking moment, you must remember this format.

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So what you have is, starting from the right going to the left,

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you've got a core .windows .com that is the same for all types of storage in the storage account.

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Then you get the type of storage, whether it be a table, a queue, a blob.

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And then you get the storage account name.

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And it's because of this, it's maybe publicly accessible, your storage account names must be globally unique.

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I'll do an example of this in the live demo.

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I'm going to put the name of a very well -known company.

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It's going to say, hey, that company, that name's already been used.

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So it has to be globally unique.

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And we've also added a recently new feature

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that provides an appended value to the storage account name that makes it globally unique.

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So if you come up with a name, but you do want to have a common naming structure.

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Now, what you can do, we talked about DNS in a previous module you can use your DNS records to take

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that really long name that may not make sense to anybody for the storage account name.

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You could then convert that into the name that you actually want to use using my example of that company.

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I could take this really long name

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that doesn't make any sense to any of us

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and I could then convert that into a simple name

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that I could then make available to my developers and my users to access that information.

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in a networking module we talked about this thing called service

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endpoints where you could then connect a service like azure storage to a virtual network

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and its subnets that you're working with

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that sounds an awful lot like storage endpoints it's not a

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storage endpoint is going to talk about how do i make my endpoint available

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and some of the network configurations that i can put on it?

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Do I want to make it publicly accessible or do I want to embed it only to specific subnets

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inside of my Azure configuration?

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What kind of routing do I want to work with?

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So this is different than if you've watched that module on networking where we took a look at service endpoints.

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These are just ways to secure the endpoint that people would use to connect to the storage account itself.

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So let's go off and do a live demonstration, show you some of these features in action.

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Okay, so what I want to do is walk you through the stages of actually setting up a storage account.

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I'm not going to create it because I've got one already done, and then I'm going to go through the configuration of a storage account.

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So the first step is, I don't know if I mentioned it during the presentation side, not all services are available in all regions.

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It's kind of a general statement around Azure, and I'm going to demonstrate that some of the replication types

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that we talked about in the presentation may not be available in all regions.

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So I want to do that demonstration and then we'll take a quick pause

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and then we're going to move over to a demonstration of the configuration of a storage account.

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So to create a storage account, a lot of this has been seen in the other recordings where you have to have a subscription and a resource group.

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Your storage account name has to be unique and you'll see this

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when we come up in the creation of the storage account demo.

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But I'm going to come to US West 3.

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I'm going to compare this to Canada East in just a

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We saw that there was characteristics of a standard versus premium account.

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I'm going to focus on the standard here, where you can see all the different types of replication that we talked about in the lecture.

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We saw that we have locally redundant, geo -redundant, zone -redundant, and geo -zone -redundant.

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And this checkbox down at the bottom gives you the option to make the geo -zone and the geo -local -redundant storage.

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read accessible.

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So you can see that checkbox goes away for zone and local, but once I go to the geo options, it gives me the choice to make that georedundant read accessible.

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Now I'm going to switch over to Canada Central, as I said.

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Sorry, Canada East.

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And you're going to see that not all those replication types are available.

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You only get Local Redundant and Geo Redundant.

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The two zonal options of Zone Redundant and Geo Zone Redundant are not available

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because not all services are available in all regions yet.

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It's coming to Eastern Canada.

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It's in Central Canada.

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So just make sure that you check those before you try

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and deploy a resource type into a region that that resource type is available in that region.

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So what you've seen is a storage of durable data that you might need to have offered through a storage account.

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It's just one of the types.

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We have other types for lightly structured things like Cosmos DB, Redis Cache, and we also have features like SQL that you can use in a variety of forms.

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But for raw data that you're looking at,

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whether it falls into that unstructured or lightly structured model in the traditional file shares or this modern method of blob storage,

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storage accounts are the fundamental unit that you want to use is to configure to deploy storage.

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Now with that as your background, there's gonna be a whole bunch of other configurations that we will cover, but in this one, we just needed to have you understand the basics of storage.

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Thanks for joining us for this session.

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To continue your learning, watch other videos in the course or explore more on Microsoft Learn at aka .ms forward slash learn.

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Vocabolario e note di pronuncia per questa lezione

Questa lezione di conversazione si basa sul video “Configure storage accounts”. Le parole che ritornano più spesso: storage, account, region, zone, redundant. Questo video contiene 287 frasi e 5125 parole da ripetere con lo shadowing. Il parlato dura 31:45. Chi parla ha un ritmo naturale di circa 161 parole al minuto, vicino a una conversazione quotidiana. Il 82% delle parole rientra nelle 3.000 più comuni dell’inglese; conviene studiare le altre prima di iniziare.

Vocaboli chiave di questo video

15 parole del video che vale la pena imparare, con pronuncia e significato:

Parola	Pronuncia	Significato
redundant aggettivo	/ɹɪˈdʌn.dənt/	ridondante, iperverboso
accessible aggettivo	/əkˈsɛs.ɪ.bəl/	accessibile
availability sostantivo	/əˌveɪ.ləˈbɪl.ɪ.ti/	disponibilità, reperibilità
domain sostantivo	/ˌdəʊˈmeɪ̯n/	dominio
potentially avverbio	/pəˈtɛnʃ(ə)li/	potenzialmente
configuration sostantivo	/kənˌfɪɡ.əˈɹeɪ̯.ʃən/	configurazione
queue sostantivo	/kju/	fila, coda
resource sostantivo	/ɹɪˈzɔːs/	risorsa
lightly avverbio	/ˈlaɪtli/	alla leggera, superficialmente
connect verbo	/kəˈnɛkt/	connettere, connettersi
globally avverbio	/ˈɡloʊbəli/	globalmente
component sostantivo	/kəmˈpoʊ.nənt/	componente
dive verbo	/daɪv/	immergersi
capability sostantivo	/ˌkeɪ.pəˈbɪl.ɪ.ti/	capacità, possibilità
demonstration sostantivo	/dɛmənˈstɹeɪʃən/	dimostrazione

I phrasal verb che sentirai

Parola	Pronuncia	Significato
make up verbo	/ˌmeɪk ˈʌp/	comporsi
set up verbo	/ˌsɛt ˈʌp/	preparare, installare
go off verbo		esplodere
go through verbo		attraversare
clean up verbo		ripulire
come back verbo		tornare
come up with verbo		ideare, escogitare
end up verbo		andare a finire, finire

Frasi da ripetere

Frasi brevi e complete del video che puoi riutilizzare nella conversazione di tutti i giorni:

It's our favorite, it gets everything first.
You don't get to pick a data center.
I'll show this in the live demo.
I've already talked about the region pairs.
What kind of routing do I wanna work with?

La grammatica di questo video

Le strutture che chi parla usa di più, con le parole esatte del video:

Struttura	Nel video
Present perfect have/has + participio passato — un’azione passata che conta ancora adesso	I've said · We've seen · we've also shown
Forma passiva be + participio passato — conta ciò che accade, non chi lo fa	be identified · be replicated · are called

Pronuncia a cui fare attenzione

Chi parla usa 198 contrazioni e forme ridotte, come gonna, you're, I'm. Pronunciale nella forma breve, così come le senti.

I suoni “sh” e “zh”: potentially /pəˈtɛnʃ(ə)li/, configuration /kənˌfɪɡ.əˈɹeɪ̯.ʃən/, demonstration /dɛmənˈstɹeɪʃən/, presentation /ˌpɹɛzn̩ˈteɪʃn̩/, exception /əkˈsɛpʃən/
Parole lunghe — attenzione all’accento: accessible /əkˈsɛs.ɪ.bəl/, availability /əˌveɪ.ləˈbɪl.ɪ.ti/, potentially /pəˈtɛnʃ(ə)li/, configuration /kənˌfɪɡ.əˈɹeɪ̯.ʃən/, capability /ˌkeɪ.pəˈbɪl.ɪ.ti/

I suoni difficili per chi parla italiano:

/h/ — va soffiata, non è muta: header /ˈhɛdɚ/, inherit /ɪnˈhɛɹɪt/
Consonante finale — senza aggiungere una vocale dopo: redundant /ɹɪˈdʌn.dənt/, node /noʊd/, resource /ɹɪˈzɔːs/, connect /kəˈnɛkt/, component /kəmˈpoʊ.nənt/
/æ/ — più aperta della “e”: format /ˈfɔːɹ.mæt/, guarantee /ˌɡæɹ.ənˈtiː/, geographic /d͡ʒiəˈɡɹæfɪk/, vast /væst/, automatic /ˌɔː.təˈmæt.ɪk/

Come esercitarsi con questo video

Ascolta tutto il video una volta senza parlare e annota le parole che non conosci.
Inizia a velocità 0,75×, fai shadowing frase per frase e torna alla velocità normale quando diventa facile.
Registrati e confronta con l’originale, facendo attenzione a parole come redundant, accessible, availability.

Cos'è la tecnica dello Shadowing?

Shadowing è una tecnica di apprendimento delle lingue supportata da studi scientifici, originariamente sviluppata per la formazione dei traduttori professionisti e resa popolare dal poliglotta Dr. Alexander Arguelles. Il metodo è semplice ma potente: ascolti un audio in inglese di madrelingua e lo ripeti immediatamente ad alta voce — come un'ombra che segue il parlante con un ritardo di solo 1–2 secondi. A differenza dell'ascolto passivo o degli esercizi di grammatica, lo shadowing costringe il tuo cervello e i muscoli della bocca a elaborare e riprodurre simultaneamente i modelli di discorso reale. La ricerca dimostra che migliora significativamente la precisione della pronuncia, l'intonazione, il ritmo, il discorso connesso, la comprensione dell'ascolto e la fluidità del parlato — rendendolo uno dei metodi più efficaci per la preparazione alla prova di speaking dell'IELTS e per la comunicazione reale in inglese.

Tecnica dello shadowing: leggi la guida completa passo dopo passo →

Pratica di Shadowing: Configure storage accounts | AZ-104 | Episode 16 - Impara a parlare inglese con i video

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Vocabolario e note di pronuncia per questa lezione

Vocaboli chiave di questo video

I phrasal verb che sentirai

Frasi da ripetere

La grammatica di questo video

Pronuncia a cui fare attenzione

Come esercitarsi con questo video

Cos'è la tecnica dello Shadowing?