What is a key benefit of using AWS Lambda?

Using AWS Lambda presents the key benefit of supporting automatic scaling based on demand. This serverless computing service is designed to automatically handle the scaling needed for running code in response to events. When you deploy a function in Lambda, the service automatically provisions the necessary resources to execute that function whenever it is triggered, whether it's a few requests per day or thousands per minute.

This automatic scaling capability means that developers do not need to worry about the underlying infrastructure, as Lambda can dynamically adjust to the volume of incoming requests. This is particularly beneficial for applications with variable workloads because it allows for efficient resource utilization and cost management, as you only pay for the time your code is actually running.

In contrast, options that relate to extensive server management, operation only within data centers, and a focus on block storage do not reflect the serverless architecture and on-demand nature of AWS Lambda. Server management is minimized with Lambda, as it abstracts that layer away for the user, and it operates within the cloud infrastructure rather than being confined to physical data centers. Additionally, while Lambda can interact with different storage solutions including object storage, it is not primarily focused on block storage.