There are no sea-time requirements for marine courses at this level but you must attend the whole course to pass. There is a multiple choice exam at the end of each course.
Transport Canada no longer requires participants for the SVOP and MEDA3 courses to get a CDN (Candidate Document Number). This also applies MBFA and other MED courses.
If you would like to apply for a CDN anyway (useful is you want to take your marine career beyond the small boat world), here’s a link to the application form: