An IoT Engineer Is Responsible for Security at an Organization

question 17

Multiple Choice

An IoT engineer is responsible for security at an organization. Humans and machines need to be allowed to access services like database or compute on AWS. The engineer decides to implement dynamic secrets. Which method helps to get this implementation accurate from a security point of view?

• A) Create a central secret system for humans and machine to obtain very short-lived dynamic secrets to access any service.
• B) Humans cannot be trusted, and each time they authenticate they should be issued with dynamic secrets. Machines can be trusted, and they can be issued with static credentials.
• C) Maintain a different service associated to secret systems to issue access.
• D) After a user is authenticated by any trusted system, the user can be trusted to use any service.

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Definitions:

Iron

A chemical element with symbol Fe and atomic number 26, known for its high strength and magnetic properties.

Limiting Reactant

The reactant in a chemical reaction that limits the amount of product that can be formed because it is used up first.

Theoretical Yield

The maximum amount of product that can be generated from a given amount of reactants in a chemical reaction, under ideal conditions.

Limiting Reactant

The reactant in a chemical reaction that limits the amount of product that can be formed; the reaction stops when all of this reactant is consumed.