There are more than 20 books in the Rainbow Series. Which of the following covers password
management guidelines?

A.
Orange Book

B.
Green Book

C.
Red Book

D.
Lavender Book

Explanation:
The DoD Password Management Guideline was published at 12 April 1985, it is also called the
“Green Book” because of the color of its cover. Here is the password definition according to it: “A
character string used to authenticate an identity. Knowledge of the password that is associated with
a user ID is considered proof of authorization to use the capabilities associated with that user ID.”