Can you answer this question?

Could you please tell me your name?

The process of name resolution is very important in computer networks.

That unsolved problem keeps him awake at night.

That unsolved case keeps him awake at night.

A new approach is needed to solve this set of problems.

The main problem with this project is the lack of communication.

This question text is too difficult, it's hard to understand.

This exam is a matter of life or death for me.

He is viewing that situation as a serious problem.