Create a custom list using cells A2 A12.

To create a list of the cells A2 to A12, convert the A2: A12 range to a table, then select the data validation tab, input list as the type and the name of the A2:A12 range table, and then click ok. This list can now be used as a validation list in another column or worksheet.

Explanation:

Microsoft Excel provides the power of tables and list for categorized data and data validation.

answer; i believe the answer is tls,transport layer security;