A question to you, you should tell the strength and confidence, but humble telling weaknesses honestly and then demonstrate the intention to update the bug you.
The question you should be able to measure the strengths, weaknesses, confident but humble and say very frankly that demonstrate a willingness to improve your shortcomings.
A question of competence, you should tell the strengths and weaknesses but humble confidently tell frankly from the show that the intention to improve your fault.