All such questions resolve themselves when you realize your true nature... grasping and questioning is replaced by complete certainty of what our true nature is.
The practice of good moral and ethical values, regular meditation and the eventual realization of not-self and/or emptiness would bring an end to such questions on enlightenment.
By the way BareAwareness, what does the word ‘Enlightenment’ means to you?
Awaken Through Mindfulness : http://www.awakenthroughmindfulness.com/the-three-essential-skills-of-mindfulness