(The subject of this course revolves around computer rank examination and communication professional examination. Step-by-step, in-depth practical teaching allows students to easily master the core knowledge points of the exam. When the course is explained, the course content includes the introduction of the test level, the interpretation of the test outline, the intensive course part, the question bank of the level test, and the codes and codes used in the course. information etc. The courses are also aimed at a wide range of people, so the courses of the two directions are integrated and released, so that students can study together, or carry out targeted learning according to their majors or interests.)