Pratique du Shadowing: Cloud Models - CompTIA Network+ N10-009 - 1.3 - Apprendre l'anglais à l'oral avec la vidéo
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When you're deploying a cloud -based application, you also need to consider who will be accessing that application and from where.
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If you're creating an application that anyone on the internet would need to access,
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then you would probably want to include it in a public cloud so that everyone can gain access.
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But if you're building out a cloud -based application that is for internal use only,
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you may want to deploy this to your own virtualized local data center where you have a private cloud.
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organizations, we often use both of these.
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And we need a hybrid configuration of both public and private clouds for all of these applications.
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One type of cloud model is software as a service, or SAS.
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This is commonly associated with software that is on demand.
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You have a login screen in your browser, you log in, and now you have access to the application.
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Someone else has written the application, someone else manages the application, your data is stored somewhere within that application,
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and you don't have to do anything else to be able to use that particular app.
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You don't have a local installation of software, manage or upgrade any of the software itself.
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Instead, you simply log in and use the app.
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This allows for centralized management of the application and the data that you're putting into the application,
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which means everything is being stored on a third party cloud platform.
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This is a complete application offering, and you don't have to do any type of development work to be able to use that app.
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A good example of software as a service would be an app like Google Mail or Office 365, where you simply log in and use the app.
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There may be times when you would like to build your own application and deploy and manage your own data,
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and all you really need are the computing resources to be able to run that application.
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In that model, you want to use Infrastructure as a Service, or IAAS.
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Sometimes you'll see this referred to as Hardware as a Service,
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or HAAS, because you're effectively using hardware in the cloud and then using your own software on top of that.
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This means that you would be responsible for installing your software and managing all of the data associated with that software.
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If the software needs to be upgraded, you would be the one to upgrade it on your infrastructure as a service model.
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The application that you're using and the data that you're putting into that application is still in the cloud.
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But you have much more control over the access and security of that data when you're using infrastructure as a service.
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A good example of infrastructure as a service is with web service providers, where you can buy time on a particular web server,
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and they make that server available to everyone on the internet.
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A middle ground between software as a service and infrastructure as a service is Platform as a Service, or PAAS.
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This is still in the cloud, but you're the one who manages all of the development efforts to customize the application to your specifications.
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The cloud provider gives you all of the tools necessary to build this particular app.
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You can think of this as a series of building blocks provided by the Platform as a Service infrastructure,
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filled out those blocks to create your own application.
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The underlying engine that runs the application is the responsibility of the Platform as a Service provider.
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And your responsibility is to build and maintain the apps that are running in Platform as a Service.
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A good example of a Platform as a Service infrastructure would be something like Salesforce .com,
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where they give you all of the tools necessary to create a customized application running on the Salesforce .com platform.
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Here's an example of a cloud responsibility matrix that you might find with any cloud service provider.
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In this chart, I've separated out software as a service, platform as a service, infrastructure as a service, and then an on -prem device that you would manage yourself.
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Obviously, with on -prem, everything from the data to the applications to the physical data center are all the responsibility of the customer.
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But with infrastructure as a service, you have the physical data center, the physical network, physical hosts, all provided by the cloud provider.
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And then you handle all of the other pieces of that particular application.
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With Platform as a Service, you can see that network controls,
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applications, and the identity and directory infrastructure may be shared between the customer and the cloud provider.
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But you'd still be responsible for the accounts, devices, and the information and data.
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With Software as a Service, much more of these are provided by the provider themselves.
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Everything associated with the applications is clearly in the responsibility of the provider.
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Everything above that would still be the responsibility of the customer.
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So depending on the type of infrastructure you want, and the type of responsibility that you're willing to take on,
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you'll need to pick the right cloud model for your application deployment.
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Vocabulaire et conseils d’expression pour cette leçon
Cette vidéo contient 51 phrases et 864 mots à répéter en shadowing. La partie parlée dure 5:10. Le locuteur parle à un rythme naturel d’environ 167 mots par minute, proche d’une conversation courante. 85 % des mots font partie des 3 000 mots les plus courants en anglais ; le reste mérite d’être vu avant de commencer.
Vocabulaire clé de cette vidéo
15 mots de la vidéo à retenir, avec leur prononciation et leur sens :
| Mot | Prononciation | Sens |
|---|---|---|
| cloud nom | /ˈklaʊ̯d/ | nuage |
| infrastructure nom | /ˈɪnfɹəˌstɹʌkt͡ʃə/ | infrastructure |
| provider nom | /pɹəˈvaɪ.də(ɹ)/ | fournisseur, fournisseuse |
| upgrade verbe | /əpˈɡɹeɪd/ | monter en gamme |
| server nom | /ˈsɝvɚ/ | serveur |
| hardware nom | /ˈhɑɹdˌwɛɹ/ | équipement |
| chart nom | /t͡ʃɑɹt/ | carte |
| refer verbe | /ɹɪˈfɜː/ | référer |
| resource nom | /ɹɪˈzɔːs/ | ressource |
| commonly adverbe | /ˈkɑmənli/ | communément, fréquemment |
| depend verbe | /dɪˈpɛnd/ | dépendre |
| underlying adjectif | sous-jacent | |
| installation nom | /ˌɪn.stəˈleɪ.ʃən/ | installation |
| install verbe | /ɪnˈstɔl/ | installer |
| hybrid nom | /ˈhaɪ.bɹɪd/ | hybride |
Les verbes à particule que vous entendrez
| Mot | Prononciation | Sens |
|---|---|---|
| fill out verbe | /fɪl ˈaʊt/ | remplir, compléter |
La grammaire de cette vidéo
Les structures que le locuteur utilise le plus, avec les mots exacts de la vidéo :
| Structure | Dans la vidéo |
|---|---|
| Voix passive be + participe passé — l’accent est mis sur ce qui arrive, pas sur qui le fait | is stored · being stored · be upgraded |
| Present perfect have/has + participe passé — une action passée qui compte encore maintenant | has written · I've separated |
Prononciation à surveiller
Le locuteur utilise 17 contractions et formes réduites, comme you're, don't, you'll. Prononcez-les sous leur forme courte, telles que vous les entendez.
- Les sons « sh » et « zh »: associate /əˈsoʊʃi.ət/, installation /ˌɪn.stəˈleɪ.ʃən/, configuration /kənˌfɪɡ.əˈɹeɪ̯.ʃən/
- Mots longs — placez bien l’accent: infrastructure /ˈɪnfɹəˌstɹʌkt͡ʃə/, associate /əˈsoʊʃi.ət/, installation /ˌɪn.stəˈleɪ.ʃən/, configuration /kənˌfɪɡ.əˈɹeɪ̯.ʃən/, directory /dɪˈɹɛktəɹi/
Comment s’entraîner avec cette vidéo
- Écoutez la vidéo en entier une fois sans parler et notez les mots que vous ne connaissez pas.
- Commencez à la vitesse 0,75×, répétez phrase par phrase, puis revenez à la vitesse normale quand cela devient facile.
- Enregistrez-vous et comparez avec l’original, en faisant attention à des mots comme cloud, infrastructure, provider.
Qu'est-ce que la technique du Shadowing ?
Le Shadowing est une technique d'apprentissage des langues fondée sur la science, développée à l'origine pour la formation des interprètes professionnels. Le principe est simple mais puissant : vous écoutez de l'anglais natif et le répétez immédiatement à voix haute — comme une ombre suivant le locuteur avec un décalage de 1 à 2 secondes. Les recherches montrent une amélioration significative de la précision de la prononciation, de l'intonation, du rythme, des liaisons, de la compréhension orale et de la fluidité.