Alibaba Cloud Certified Associate (ACA) Practice Test 2025 - Free ACA Practice Questions and Study Guide

Securing API access is critical to maintaining the integrity and confidentiality of data transmissions between clients and servers. Configuring security keys for the API Gateway is a robust method to enhance API request security. This approach involves using unique keys that authenticate the client making the API request, ensuring that the access is restricted only to authorized users. By requiring these keys for API interactions, the system can effectively prevent unauthorized access and mitigate risks associated with API abuse, such as data breaches or denial-of-service attacks.

This method is particularly important because it directly ties access control to specific credentials, enabling tracking and auditing of who is accessing the API and how it is being used. In the event of a security incident, these logs can be invaluable for identifying the source of a compromise.

While the other methods mentioned may contribute to API security in different ways, they do not directly enhance the authentication and authorization aspect as strongly as configuring security keys. For instance, implementing user quotas can help manage resource usage and prevent abuse, but it does not secure the authentication process itself. Reducing API methods can simplify the interface and potentially reduce exposure to vulnerabilities, yet it does not enhance security at the access level. Using unsecured endpoints, on the contrary, can significantly weaken security and should be avoided altogether.