Sequential access files can be used for an application's input, but not its output.

When a program requires input to contain a minimum number of characters, the string __________ function can be used to check that the input is valid.

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

A company recently hired you are security administrator. You notice that some former accounts used by temporary employees are currently enabled. Which of the following choices is the best response?

A. Disable all the temporary accounts B. Disable the temporary account you've noticed are enabled C. Craft a script to identify inactive accounts based on the last time they logged on D. Set account expiration dates for all accounts when creating them.