Depends on what level of general electronics knowledge you already have. If you are an EE, you could take the exam after only an hour or two of reviewing the te

Depends on what level of general electronics knowledge you already have. If you are an EE, you could take the exam after only an hour or two of reviewing the test questions. If you don't have any pre-knowledge, then a week or two with one of the study guides should be enough. You can take practice exams at qrz.com and many other sites.