What are the following three modules of CEI standard service?

CEI standard service mainly includes three modules: connection, interaction and motivation. The three modules have two meanings, namely: three computer modules of professional title examination: including three commonly used software "word, excel and ppt", word is used to edit text, excel is used to edit tables and so on. The three modules of health risk assessment include "questionnaire survey, risk calculation and assessment summary". Health risk assessment is used to evaluate the possibility of individuals suffering from a specific disease in the future.