Can you fake competency?

Any interesting article appeared in time about your boss and can they "fake" competency or is it that if you sound convincing...you are?

http://www.time.com/time/health/article/0,8599,1878358,00.html

Thank you to Anastasia for raising this question.
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1. always fake competency
2. learning
3.
I believe people always fake competency when they get a new chance. When people have a interview, they will alway fake you are competency. This is also the same to a leader. A boss without leadership or experience to run a team will not tell others the weakness and incompetence about his new task or position. They just do their best to work through it and get the experience to become a true leader or professional.

However, The only thing to be concern is how fast he or she can learn the professional or skill. If the people always do something wrong or make mistake. Some one should let he or she know.

Good bosses understand what their employees want to tell them but will not weaken his self-confidence but they try to find the best way out.