!. Create a list of your weaknesses. Be honest.
2. Cross out "red flags" weaknesses for consultant (bad with numbers, low stress resistance, etc.)
3. Cross out weaknesses that makes you look like you promoting yourself (perfectionist, too responsible, etc.)
4. Cross out weaknesses that are irrelevant for consulting job (can't make myself to go to gym, afraid to perform on big stages, etc.)
5. From the rest options, pick the ones where you can show that you work on it. It's important to show that you not only know your weaknesses, but you doing specific actions to improve it.
6. Try your answer on case partner/ coach. Correct it if needed.