A Professional Salesperson will anticipate questions and objections from potential clients during their sales meetings. The best way to prepare for this is:

Question $8$ options:

Work with a Mentor in the Company, learn what possible questions clients ask and see how your Mentor handles them. Over time develop your own style of addressing clients hard questions and objectives.

Research the whole Industry. By understanding the competitors you will understand all the objectives.

Do very little. You can not predict what questions will be asked.