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VLAN，是英文Virtual Local Area Network的缩写，中文名为"虚拟局域网"， VLAN是一种将局域网（LAN）设备从逻辑上划分（注意，不是从物理上划分）成一个个网段（或者说是更小的局域网LAN），从而实现虚拟工作组（单元）的数据交换技术。 VLAN这一新兴技术主要应用于交换机和路由器中，但目前主流应用还是在交换机之中。不过不是所有交换机都具有此功能，只有三层以上交换机才具有... 阅读全文
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Many years ago, there was an Emperor, who was so excessively fond of new clothes, that he spent all his money in dress. He did not trouble himself in the least about his soldiers; nor did he care to g... 阅读全文
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service principal name (SPN) is the name by which a client uniquely identifies an instance of a service. If you install multiple instances of a service on computers throughout a forest, each instance ... 阅读全文
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An SPN must be unique in the forest in which it is registered. If it is not unique, authentication will fail. The SPN syntax has four elements: two required elements and two additional elements that y... 阅读全文
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IntroductionStrong Name (further referred to as "SN") is a technology introduced with the .NET platform and it brings many possibilities into .NET applications. But many .NET developers still see Stro... 阅读全文
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Configuration testing is the testing of a system with each of the configurations of software and hardware that are supported. This can be a challenge for testers, especially with today's rate of chang... 阅读全文
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Testing software isn't always exciting. Sometimes, it's downright boring, especially if you are testing variations of the same scenario over and over. Unfortunately, the effectiveness of testing drops... 阅读全文
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Nobody knows more about the importance of great project management than an IT professional. Whether it is managing budgets and resources, reducing project failures or simply getting an assignment star... 阅读全文
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Exploratory Testing MythsExploratory testing equates to random navigation through the application space. Exploratory testing is a context-driven approach that requires a disciplined and skilled tester... 阅读全文
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Exploratory testing is probably the most common testing technique for software. Though widely employed, it is often misused and misunderstood by testing organizations and testers. Exploratory testing ... 阅读全文
