A ring is said to be _________ if it satisfies the condition ab = ba for all a, b in R.

According to SP 800-94, ____________________ (SPA) is a process of comparing predetermined profiles of generally accepted definitions of benign activity for each protocol state against observed events to identify deviations.

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

What is the value of the variable myLetter after the following statements are executed?

``` var name = "Santa Claus"; var myLetter = name.charAt(3); ``` a. "a" b. "t" c. "" d. "Santa Claus"