An API Developer Is Improving an Application Code to Prevent

question 30

Multiple Choice

An API developer is improving an application code to prevent DDoS attacks. The solution needs to accommodate instances of a large number of API requests coming for legitimate purposes from trustworthy services. Which solution should be implemented?

• A) Restrict the number of requests based on a calculation of daily averages. If the limit is exceeded, temporarily block access from the IP address and return a 402 HTTP error code.
• B) Implement REST API Security Essentials solution to automatically mitigate limit exhaustion. If the limit is exceeded, temporarily block access from the service and return a 409 HTTP error code.
• C) Increase a limit of replies in a given interval for each API. If the limit is exceeded, block access from the API key permanently and return a 450 HTTP error code.
• D) Apply a limit to the number of requests in a given time interval for each API. If the rate is exceeded, block access from the API key temporarily and return a 429 HTTP error code.

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Definitions:

Decentralized Authority

A system where decision-making power is distributed among various levels rather than concentrated in a single point.

Performance Strategy

A plan of action designed to achieve specific outcomes or improvements in performance within an organization.

Irrelevant Skills

Abilities or competencies that do not apply or provide benefit to a particular task, role, or job requirement.

Talented People

Individuals possessing special skills, abilities, or aptitudes that distinguish them in specific areas or disciplines.