Shulou(Shulou.com)06/02 Report--

Friends who browse on Weibo must have heard the word "server crashed". So, in the face of this word, there may be many friends who don't know what a server is. It can be said that the server is widely used nowadays, such as the enterprise server, and whether the enterprise server is stable or not will affect an enterprise.

What is a server?

A server, also known as a server, is a device that provides computing services. Because the server needs to respond to the service request and process it, generally speaking, the server should have the ability to undertake and guarantee the service.

The composition of the server includes processor, hard disk, memory, system bus and so on, which is similar to the general computer architecture, but because of the need to provide high and reliable services, therefore, it requires high processing capacity, stability, reliability, security, scalability, manageability and so on.

In the network environment, according to the different types of services provided by the server, it is divided into file server, database server, application server, WEB server and so on.

What's the server for?

The server has two main functions:

One is to respond to the service request of the terminal and process it. It is impossible for us to connect the network directly to the Internet when we surf the Internet. we all need to connect to the network through the server. Only after the server responds to your networking request can we connect to the Internet.

The second is the storage function, the storage space of the server is generally sufficient, which can store a lot of information.

A server is a device that provides computing services. Because the server needs to respond to the service request and process it, generally speaking, the server should have the ability to undertake and guarantee the service.

The composition of the server includes processor, hard disk, memory, system bus and so on, which is similar to the general computer architecture, but because of the need to provide highly reliable services, therefore, it requires high processing capacity, stability, reliability, scalability, manageability and so on.

In the network environment, according to the different types of services provided by the server, it is divided into file server, database server, application server, WEB server and so on.

What are the server categories?

1. Entry-level server

This kind of server is not only the most basic type of server, but also the lowest-level server. With the increasing improvement of PC technology, the configuration of many entry-level servers is similar to that of PCs, so some people think that entry-level servers are equivalent to "PC servers". This type of server does not contain many server features, and usually only has the following characteristics:

1 there are some basic hardware redundancy, such as hard disk, power supply, fan, etc., but it is not necessary

2 the hard disk usually uses SCSI interface, and there are also those with SATA serial interface.

3 parts support hot-swappable, such as hard disk and memory, which are not necessary

4 there is usually only one CPU, but not absolutely

5 the maximum memory capacity supports 16GB.

This kind of server mainly uses Windows or NetWare network operating system, which can fully meet the needs of small and medium-sized office network users for file sharing, data processing, Internet access and simple database applications. This kind of server is very similar to ordinary PCs, and many small companies simply use a high-performance brand PC as a server, so this kind of server is almost the same as a high-performance PC brand computer in terms of performance and price.

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