# 概览

在尝试使用裸机云之前，您可以了解以下信息：

* [**什么是裸机云及其优势？**](/welcome/cn/bare-metal/overview/bare-metal-instance.md)
* [**支持哪些型号、区域和操作系统？**](/welcome/cn/bare-metal/overview/models-zones-and-operating-system.md)
* [**什么是弹性 IP？**](/welcome/cn/bare-metal/overview/public-network/elastic-ip.md)
* [**什么是 VLAN？**](/welcome/cn/bare-metal/overview/public-network/public-virtual-interface.md)
* [**什么是虚拟私有云？**](/welcome/cn/bare-metal/overview/private-network/virtual-private-cloud.md)


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# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.console.zenlayer.com/welcome/cn/bare-metal/overview.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.