Which of the following is NOT a category of services offered by AWS?

The selection of "Artificial Intelligence" as the option that is NOT a category of services offered by AWS is based on a specific categorization of AWS services. AWS does provide a variety of services that fall under the umbrella of artificial intelligence and machine learning. However, in the context of major service categories that AWS often presents, the primary categories encompass Compute, Networking, Storage, Content Delivery, and Database services.

AWS's focus is on core service categories that support fundamental infrastructure needs, including computing power (like EC2), networking (such as VPC), storage solutions (such as S3), and database management (including RDS and DynamoDB). While artificial intelligence can be found as a part of AWS's offerings—under services like SageMaker and Rekognition—these are often viewed as specialized services rather than a primary category.

Thus, while "Artificial Intelligence" is indeed a significant area within AWS’s extensive service catalog, it does not represent a standalone category comparable to the others mentioned in the question. The main service categories tend to emphasize infrastructure and foundational elements, which leads to the conclusion that artificial intelligence is not categorized in the same foundational way as the other listed options.