The purpose of this writing was to review, analyze, and discover the barriers of the implementation of the National Computer-Based Exam. The methodology used was qualitative method with descriptive analysis of the relevant studies and monitoring results of national examinations. The study results show that computer-based test can be implemented in all areas or educational unit when supported by computers and the internet. In order to implement it properly, the schools or educational units must set up the computer hardware, the Internet network and local network computers. The study also reveals that it is saving the printing costs, the security of the script, facilitating the distribution of exam materials, easy to reach the entire area, security, easy to score of the scoring process, and it is possible to print the certificate of test results after completing the exam. The barriers of implementing this model include a wide area or vast territory, computer hardwares, internet facilities, and the support of stakeholders. However, the implementation of computerbased national examinations can be carried out across the region in line with advances in technology information. It conclusion, the implementation of on line computer-based national examinations within a limited area either district/city, provincial, and national levels will shorten the chain of implementation of national examinations that benefits the stakeholders. In addition, implementing online computer based examination enables them to immediately obtain the result after the implementation of the test.