Then what you said about the teacher's advice in this institution is really good. If you start with storage and then learn this cloud computing, you can master the skills of hardware storage and virtual cloud storage. Moreover, if the storage direction continues to develop, it is suggested that storage, cloud computing and RHCA should be learned and used in work. The study time may be longer, but the final salary is really high. Not only do you not have to worry about being eliminated, but even