Shadowing Practice: What is a server? Types of Servers? Virtual server vs Physical server ๐ฅ๏ธ๐ - Learn English Speaking with Video
Creating lesson...
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What is a server?
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In computing, a server is a dedicated computer or device that provides functionality on behalf of other devices or clients.
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This architecture is called the client-server module.
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Servers can provide various functionalities, often called services, such as sharing resources or data among multiple clients,
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or even performing computation for a client.
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Now, a server could be dedicated to handle one of these
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services only where you would have one dedicated server for a website, one server for data storage, and a server for email.
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And this is a model what larger organizations use.
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Well, you can also set up a server to handle each of these services on the same machine, which is what typically happens in smaller organizations.
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And when we talk about servers, they're generally serving a lot of computers, so people at home Some don't need that because they only have one, two, three or four computers.
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Servers enable you to control and distribute information, as well as a way to protect the information.
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Servers can be distinguished into two main types of servers, a physical server and a virtual server.
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Physical servers are dedicated servers which use the traditional CPU and RAM for that one server.
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Virtual servers, however, use hypervisor to divide the physical server into two
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or more virtual servers which share the resources like CPU and RAM with two or more other servers.
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Most of the servers and enterprises in cloud are virtual servers.
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Businesses need servers to run 24-7 because they're vital to an organization.
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And if a server fails, then the business could suffer losses or jeopardize the business.
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Or an organization.
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So this is why servers need to be more reliable.
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They need to be built with the right resources like high computing CPUs and RAM.
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Servers and server components need to be redundant, meaning if one component or the server fails, it shouldn't impact the whole server.
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Server.
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Servers need to be set up in a redundant fashion, in case a server goes down, then another server should be available to serve the request from desktop clients.
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In AWS, you can set up the servers in multiple availability zones in order to avoid an outage, similarly in Azure and GCP.
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A server should also have a redundant hot-swappable hard drive in the RAID configuration, Because if a hard drive were to fail, then no data loss would happen,
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and the server would still be up and running because of RAID configuration.
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RAID makes it possible to copy the data onto multiple disks, and if a hard drive fails, then it can be removed and replaced without shutting down the whole server,
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and then RAID would rebuild the data onto the new hard drive automatically.
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The servers should also have redundant fiber channel adapters and power supplies.
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Since servers are used by multiple desktop clients, they need to have multiple processor environments.
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IBM CPU.
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IBM servers use Power CPU in their different servers, which has a high computing CPU power.
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AWS cloud servers.
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They have a high computing CPU power.
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An application server is a program that handles all application operations between users and an organization's backend, business applications, or data.
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This type of server is typically used for complex transactions-based applications cloud server.
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Rather than being proved by a single server or virtual server, cloud server hosting services are provided by multiple character servlets that comprise.
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Server Operating System Any server also needs to use a server operating system, such as Linux, Windows Server, Mac, OS Server, and so on.
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Server operating systems are robust and stable, and they're designed to run non-stop and are able to handle thousands of concurrent connections.
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Now there are many different types of servers.
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Types of servers.
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There are many types of servers depending on what server is hosting on it.
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For example, a web server.
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A database server.
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This type of server hosts data in the backend.
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A web server that hosts a website.
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The web server will run the web server software, like HTTP, NGINX.
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It contains all the website's data, including the HTML code and graphics.
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Another type of server is an email server.
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An email server is what facilitates the sending and receiving of email.
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DNS server is a server dedicated to resolving domain names.
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Hope you liked the video.
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Please like, comment, share, and subscribe.
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Who Is This Video For?
This video is perfect for intermediate to advanced English learners aiming to boost their technical vocabulary and speaking fluency, especially those preparing for IELTS speaking practice or general english speaking practice. Itโs ideal for anyone wanting to discuss computing concepts clearly, as it balances simple explanations with specific termsโgreat for building confidence in professional or academic contexts.
Words & Idioms Worth Stealing
Here are key terms to add to your toolkit:
- Dedicated (used for one purpose only): "A dedicated server handles just one service."
- Redundant (extra, for backup): "Servers need redundant power supplies to avoid outages."
- Hot-swappable (replaceable without shutting down): "RAID uses hot-swappable hard drives for reliability."
- Concurrent (happening at the same time): "Server OSes handle thousands of concurrent connections."
How to Get the Accent Right
The speaker uses clear, neutral Englishโexcellent for shadowing practice. Focus on:
- Stress in compound terms: "CLIENT-server" (not "client-SERVER"), "WEB server" (not "web SERVER"). Use a shadowing app to mimic this stress pattern.
- Long vowel sounds: In "dedicated" (de-di-CA-ted) and "redundant" (re-DUN-dant), stretch the stressed syllables.
- Linking words: The speaker connects "on behalf of" as "on-behalf-of" and "such as" as "such-as." Practice with shadowspeak techniques to smooth these transitions.
Grammar in this video
The structures the speaker uses most, with the exact words from the video:
| Structure | In the video |
|---|---|
| Passive voice be + past participle โ the focus is on what happens, not who does it | is called ยท could be dedicated ยท can be distinguished |
| Relative clauses who / which + clause โ extra information about a person or thing | machine, which is ยท servers, which has |
What is the Shadowing Technique?
Shadowing is a science-backed language learning technique originally developed for professional interpreter training and popularized by polyglot Dr. Alexander Arguelles. The method is simple but powerful: you listen to native English audio and immediately repeat it out loud โ like a shadow following the speaker with just a 1โ2 second delay. Unlike passive listening or grammar drills, shadowing forces your brain and mouth muscles to simultaneously process and reproduce real speech patterns. Research shows it significantly improves pronunciation accuracy, intonation, rhythm, connected speech, listening comprehension, and speaking fluency โ making it one of the most effective methods for IELTS Speaking preparation and real-world English communication.