1) Since the quizzes are online, you can do them wherever you have internet connection.
It is common for students to get together and help each other answer the questions. Where one person may have a lapse in knowledge, someone else could know that missing information.
You can do quizzes all at the same time, or one person can do their first attempt, the next person does another attempt, etc
2) The quizzes are randomly chosen from a relatively large pool of questions. There is a possibility that two or more of you will have the same questions, but there is no guarantee.
3) Some students struggle, while others excel. It all depends on how well you understand the concepts.
It is not a "memorize and relay information" type of course. A lot of the time Dr. Kim will give you a scenario based on facts and you need to apply what you know to choose the answer that is most correct.
4) Make notes as you're watching the modules, and feel free to go hunting around for supplementary material. The more examples you are familiar with, the more easily you will understand the information taught in the course.
Hope this helps.
Good luck!
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