This research aims to describe national examination based on CBT methods that looked at human resources, infrastructures, students, strategies, and national examination weakness based on CBT implementation at Vocational School 1 North Sangatta. This research is a descriptive study with a qualitative approach. Data collection techniques can be done through observation, interviews, questionnaires, and documentation. This research was conducted at Vocational School 1 North Sangatta. The results show that: (1) national examination based on Computer Based Test implementation methods clearly: preparation step, planning step and the implementation step. (2) the weakness of national study based on Computer Based Test implementation methods are technique and non-technique problems. This problem is solved by (a) increase electricity supply, (b) hold and repair hardware of computer which not suitable with qualifications, (c) register for the remedial test. Non-technique problems are solved by training the students to prepare for the national examination.