The certification chain defines the hierarchy of approving certification Authorities, and provides a list of ca certificates required to approve a given personal certificate.

证明链定义了批准认证中心的层次，并且提供了批准一张给定的个人证书所需的ca证书列表。

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This system has adopted international standards and practices, such as licensing system, end-user and end-use certification, list control and the catch-all principle.

该体系普遍采用了许可证管理制度、最终用户和最终用途证明制度、清单控制原则、全面控制原则等国际通行做法。

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Table 4 lists DB2 certification books and other worthy tomes. IBM Database Magazine also maintains a nice list, and IBM's certification website offers a similar certification book list.

表4列出了DB 2认证书籍以及其他一些有价值的书籍(IBM数据库杂志也提供了一个列表，并且IBM认证网站也提供了类似的认证书籍列表)。

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The answer that came up most often was certification, and soon the topic warranted a list of its own.

CNN: Community efforts in Linux certification

In 1998, Dan York wrote an article about certification in the Linux Gazette, and it generated enough interest that a mailing list formed around it as well.

CNN: Community efforts in Linux certification