Of course you can test, computer science majors rely on CDA certification is still very advantageous, I was last year to apply for the exam, to give you a little personal experience, first of all, you first go to the CDA official website will be the syllabus and syllabus analysis print out, in accordance with the syllabus of the weight of the knowledge points of the arrangement of the order of review and time to study according to the syllabus for preparation for systematic and purposeful learning, the syllabus recommended books to focus on the must-read. If you find it difficult, you can go to the house of management, there are CDA data analysis related courses counseling, can be used as an aid, the effect is also good, especially for the case study, compared to their own drilling, they will have a professional teacher to give you in-depth analysis, in the use of layman's expression of the way to tell you, easy to understand,

As a preparation for the exam is a good choice, I hope that my advice you can use it! .