Assertiveness Interview Questions

What is assertiveness?
Why is it difficult to be assertive?
Can you explain an occasion when you have had to motivate and boost the morale of your colleagues?
Have you ever been in a situation, at work, when you have been motivated to question an ethical issue?
I am a woman and I am not sure its considered feminine to be assertive all the time. Men can get away with it, but not women. Will men in my office hate me if I try to be assertive in the workplace?
If I m assertive about what I know and what I can do, would not that make me sound egocentric? Should not I be more modest?
If a clash of personalities were to occur with a colleague, what steps would you take to make the working relationship run smoothly?
What are the benefits of being assertive?
If I toot my own horn, as you say, would not people expect me to be great 100% of the time? What if I screw up?