跟读练习: What is a server? Types of Servers? Virtual server vs Physical server 🖥️🌐 - 通过YouTube学习英语口语
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What is a server?
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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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看YouTube学英语：服务器知识与口语练习两不误
这是一段关于“服务器”的英语视频，内容专业但讲解清晰，非常适合用来提升听力和口语。视频里不仅介绍了服务器的定义、类型，还涉及虚拟与物理服务器的区别，以及企业级服务器的特点。对于英语学习者来说，这样的内容既能积累科技词汇，又能锻炼理解复杂概念的能力，可谓一举多得。
5个实用口语短语，日常交流也能用
- on behalf of：代表……（视频中用来描述服务器为客户端提供功能，日常可以说“I'll do this on behalf of you”）
- dedicated to：专门用于……（如“ This room is dedicated to meetings”，和视频中“dedicated server”用法相似）
- set up：搭建、设置（视频里多次提到“set up a server”，日常表达“Can you help me set up the printer?”）
- 24-7：全天候（企业服务器需要“run 24-7”，日常可说“The store is open 24-7”）
- in case：以防万一（视频中“in case a server goes down”，日常用“Take an umbrella in case it rains”）
英语影子跟读指南：轻松攻克科技类内容
科技类视频可能因词汇专业而让影子跟读（shadowing）变得有挑战，但只要掌握方法，就能有效提升。首先，先听一遍视频，熟悉内容和语速，标记听不懂的词汇（如“hypervisor”“RAID configuration”），查词典理解意思。接着，逐句跟读，重点模仿重音和语调——比如“server”“client”这些核心词要重读，长句如“Virtual servers use hypervisor to divide... ”要注意断句。然后，整段复述，尝试用自己的话总结视频内容，比如“物理服务器是独立的，虚拟服务器则是共享资源的”。最后，对比原文，检查语法和词汇错误。坚持用这样的方法练习，不仅能提升口语流畅度，还能为雅思口语练习积累素材。
记住，影子跟读（shadowspeak）的关键是“紧跟”和“模仿”，哪怕一开始跟不上也没关系，多练几遍就能渐入佳境。利用YouTube上的英语视频做影子跟读练习，既能学知识又能练口语，何乐而不为呢？
什么是跟读法？
跟读法 (Shadowing) 是一种有科学依据的语言学习技巧，最初开发用于专业口译员的培训，并由多语言者Alexander Arguelles博士普及。这个方法简单而强大：您在听英语母语原声的同时立即大声重复——就像是一个延迟1-2秒紧跟说话者的影子。与被动听力或语法练习不同，跟读法强迫您的大脑和口腔肌肉同时处理并模仿真实的讲话模式。研究表明它能显着提高发音准确性，语调，节奏，连读，听力理解和口语流利度——使其成为雅思口语备考和真实英语交流最有效的方法之一。