An Administrator Is Uncomfortable Allowing Users to Log in as Root

question 192

Multiple Choice

An administrator is uncomfortable allowing users to log in as root. Which of the following ensures that root logins are disallowed?

• A) usermod -L root
• B) usermod -G root
• C) usermod -B root
• D) usermod -U root

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Definitions:

Optimal Number

The most favorable, efficient, or effective quantity or value given a certain context or criteria.

Monthly Profit

The total revenue of a business minus its expenses, costs, and taxes calculated on a monthly basis.

Total Optimal Profit

The maximum possible profit that can be achieved in a given scenario, taking into account all constraints and limitations.

Solver

A software tool used in optimization that finds the optimal solution to a problem by varying the values of variables within constraint boundaries.