Database Management - Index

In a table with T1 with 4 attributes , Tid is the primary key and a clustered index is created on attribute Name. We want to create another index on the table. Circle all of the types of indices that are able to be created. There may be 1 or more a. An unclustered index on using Alternative 2. b. A clustered index on using Alternative 1. c. A clustered index on using Alternative 3. d. An unclustered index on using Alternative 3. e. An unclustered index on using Alternative 1. f. A clustered index on using Alternative 2