You should Observe: COS is shipped completely online. The COS certification Examination is also presented on the net, and learners have a single week with the completion of the course to go ahead and take Examination. ACE certification is earned by passing an online interactive exam. Take a look at-taking https://community.wongcw.com/blogs/1022313/Section-8-Training-Essentials-for-Property-Management-Professionals