> For the complete documentation index, see [llms.txt](https://help.impact.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.impact.com/partner/zh/ni-xiang-liao-jie-shen-me/platform-features/marketing-content/promotional-ads-feed-faqs.md).

# 推广广告源常见问题

## 什么是数据馈送？

**数据馈送** 是自动化、定时生成的文件，可报告你有权托管的新资产或新近更新资产的信息。如果你已设置数据馈送，并且发生了触发事件（即，你合作品牌上传或更新了某个资产），impact.com 会将该信息添加到你收到的下一批文件中。

## 资产更新数据馈送是如何工作的？

资产更新数据馈送的工作方式是按你设定的固定间隔向你发送文件，其中包含你可供托管的新资产和新近更新的已变更资产的信息。例如，最近被你的合作品牌更改过的资产会包含在你的数据馈送中，而自上次生成数据馈送文件以来未发生更改的资产则不会包含在内。

## 我有哪些获取数据馈送文件的方式？

你可以通过 2 种方式获取你的数据馈送文件。

* **合作伙伴 FTP**：impact.com 会通过 FTP 将文件发送到你在设置过程中提供的服务器 URL。若要接收数据馈送文件，你需要提供以下信息：FTP 服务器 **目录** 和 **端口** 以及 **用户名** 和 **密码** ，供 impact.com 用于传送该文件。
* **电子邮件**：impact.com 会将文件作为附件发送到你在设置过程中提供的电子邮件地址。之后，你可以根据需要对数据进行转换、归档、运营化处理或以其他方式使用。

## 安全性如何？

你在传输文件时可使用的安全级别取决于你选择的传送方式：

* **合作伙伴 FTP**：你可以选择使用标准 FTP， [SFTP](https://en.wikipedia.org/wiki/SSH_File_Transfer_Protocol)，或 [FTPS](https://en.wikipedia.org/wiki/FTPS) 在设置过程中添加服务器 URL 时。
* **电子邮件**：将使用你的电子邮件客户端所采用的任何安全措施。


---

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