IBM Exam Questions

Why is it important to use the multiple column feature of Optim masking functions (e.g., Lookup, Has

Why is it important to use the multiple column feature of Optim masking functions (e.g., Lookup, Hash_Lookup) when using those functions to mask multiple fields in a table?

A.
Use of the ultiple column?feature makes coding a column map much easier.Use of the multiple column?feature makes coding a column map much easier.

B.
Use of this feature is only a matter of preference.

C.
The ultiple column feature allows you to concatenate multiple columns into a single column.The multiple column feature allows you to concatenate multiple columns into a single column.

D.
This feature significantly improves performance during the masking process.