A: Forward a company number to the employee's mobile phone: Temporary and lacks professionalism. Incorrect. B: Offer a company SIM card: Requires physical handling and less secure than eSIM. Incorrect. C: Give a company mobile phone: Expensive and not necessarily required. Incorrect. D: Issue a company eSIM to the employee: Ensures cost-effectiveness and secure deployment. Correct. Explanation: Step by Step Detailed Comprehensive Explanation with All CompTIA Reference: Analysis of the Problem: eSIM is cost-effective, avoids physical SIM distribution, and provides flexibility in professional environments. Option Evaluation: