Many things are not well expected, participate in work for two years, did not make something big, but how much small things do, they have no way. I used to make a program, how much the program is not written! ! I also have a network, but also a network management, the so-called network management, that is, solve some computer's small harsh! More, in other people's eyes, it will become a master! ! Suddenly, I changed it, I made a city road and the monitoring project of the bayonet. I have been doing more than two months. I am busy with business trips, busy learning, busy documentation, busy construction, busy, busy Commissioning, busy training. . . . Hey! ! It is really not so easy to do something. Behind, you have to learn the following Luo! I found this "CCNA Learning Guide" and found it in the bookstore, but I don't want to buy it. I found it online, but the content is some different. The road is really not good! ! ! !