1, five process groups, ten knowledge fields, input and output tools and other knowledge points must be memorized;

2. I have time to read the textbooks, but I don't have much time. After reading the main knowledge points of each chapter, I can write down the knowledge points of each chapter conditionally to facilitate review before the exam;

3. Take time to brush the questions every day, download the letter pipe network app and do the daily exercises inside. The knowledge points involved in the wrong questions should be studied and consolidated, and the wrong questions should be done every once in a while.