We are going through the complete syllabus that you will face in the test. This includes the topics:
Rules and regulations
Navigation and practical use of charts
Seamanship
Extra important topics.
The extra important topics is basically from the three other topics, but they are weighted on the final exam you will take. You need 80% correct answers on the total in the test, but in addition the questions from the extra important topics must also be at least 80% correct.