This class I found the teacher we are talking about the data center security, how can I do not know, have always thought that the computer itself is not, anyway, the idea is not at all clear, it seems that I learn this course is also to it, it is special friend the data center security love the computer these things, he and I together felt I don’t know anything, so I have to learn the results, I did not think now is more and more love this course, it is able to learn something is really too much, especially the data center security I will be it, the feeling is really great, I will find a computer related work.