The availability of workers with the required skills to meet the firm's labor demand is referred to as ________

Tests designed to identify people likely to engage in inappropriate, antisocial, or dishonest workplace behavior are known as _______ tests.

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

In a secret key system

a. some keys are secret and some keys are public b. keys must originally be sent over a secure channel c. keys may never be changed d. keys are chosen by an administrator