Need help not sure if I’m correct

Felicia wants to become a head surgeon by december 2013. she designs the career milestones that she would need to complete her goal. by june 2013, she was not licensed. which best describes what she should do?

Q14 what is most important for you to choose before you build a network? a. private network b. nos c. network media d. network protocol e. directory service

Need fast im timed in a paragraph of 125 words, explain at least three ways that engineers explore possible solutions in their projects.