________ is the term used to refer to a production technique in which inventory is kept to a minimum and inputs to the production process arrive exactly when they are needed

Investigating a candidate's criminal background:

a) is permitted upon a showing of business necessity. b) is permitted upon a showing of job-relatedness. c) is not permitted and violates a candidate's privacy rights. d) is not permitted unless the job involves handling money.

HMAC can be proven secure provided that the embedded hash function has some reasonable cryptographic strengths

What will be an ideal response?