What must a person do in order to earn a certification?
join a professional organization.
take college courses.
go through a certification program
take a certification test

You can earn a certification by going through a certification program at a college or online. You would also have to take a certification test and pass it to actually get your certification.

go through a certification program

Explanation:

Certification is the legally valid assurance that the person is knowledgeable - generally of a theoretical and practical nature - about a subject or work activity. Therefore, it is an instrument that gives truth and legitimates a professional's ability to perform specific functions.

To be certified, an individual must go through a certification program that will inform him / her of all the necessary requirements for this certification to be performed within a certain period of time.

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