A Company Is Using Amazon API Gateway to Manage Its

question 406

Multiple Choice

A company is using Amazon API Gateway to manage its public-facing API. The CISO requires that the APIs be used by test account users only. What is the MOST secure way to restrict API access to users of this particular AWS account?

• A) Client-side SSL certificates for authentication
• B) API Gateway resource policies
• C) Cross-origin resource sharing (CORS)
• D) Usage plans

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Definitions:

Constant Returns to Scale

The condition where increasing all inputs by a certain factor leads to an increase in output by the same factor, indicating linear scalability in production processes.

Economies of Scale

Cost advantages that enterprises obtain due to scale of operation, with cost per unit of output generally decreasing with increasing scale as fixed costs are spread out over more units of output.

Specialization of Labor

The division of labor where individuals or groups focus on specific tasks or jobs, increasing efficiency and productivity.

Diminishing Marginal Returns

Diminishing marginal returns occur when the increase in output from adding an additional unit of input decreases, holding all other inputs constant.