ISO的基本操作简介
IT傻博士制作的思科认证的视频，CCNA触及到得内容都有解说,教程内还有很多实验，简单易懂，合适初学者朋友们。每个视频都独自压包上传，并标示了本集的要点，您能够选择自个需求的部分检测。(The Cisco-certified videos produced by Dr. IT Silly have explanations for all the content covered by CCNA. There are also many experiments in the tutorials, which are easy to understand and suitable for beginners. Each video is individually compressed and uploaded, and the main points of this episode are marked, and you can choose the part of the test you need.)
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