A Product Manager's responsibilities and contact points — who you will need to interact with, what to give them and what to expect in return.
"Must-have" PM skills will vary from company to company and depends on whether you decide to work in startup, a large corporation, or just building your own pet-project.
Our course covers the maximum range of a PM's skills and tasks. You should choose whichever skills are useful to you, depending on the type of company that you want to work with. Or you can decide to develop all the skills that are available in the course, which will be helpful if you're going to start your own project.