A ____ selector is a selector nested within another selector.

When Jim logs into a system, his password is compared to a hashed value stored in a database. What is this process?

A. Identification B. Hashing C. Tokenization D. Authentication

In a debugger, use a _________________________ at the end of each major algorithmic step so that you can examine variables to see if your program is executing correctly.

Fill in the blank(s) with the appropriate word(s).