Exam DP-200 topic 1 question 51 discussion

Note: This question is part of a series of questions that present the same scenario. Each question in the series contains a unique solution that might meet the stated goals. Some question sets might have more than one correct solution, while others might not have a correct solution.
After you answer a question in this section, you will NOT be able to return to it. As a result, these questions will not appear in the review screen.
You have an Azure SQL database named DB1 that contains a table named Table1. Table1 has a field named Customer_ID that is varchar(22).
You need to implement masking for the Customer_ID field to meet the following requirements:
✑ The first two prefix characters must be exposed.
✑ The last four suffix characters must be exposed.
✑ All other characters must be masked.
Solution: You implement data masking and use a custom string function mask.
Does this meet the goal?