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Which of the following is not a valid pooled resource?

  1. Memory

  2. Storage

  3. Security

  4. CPU

The correct answer is: Security

Pooled resources in cloud computing refer to the ability to aggregate and allocate computing resources such as CPU, memory, and storage dynamically based on demand. These resources are typically shared among multiple users or applications, allowing for efficient utilization and scaling. In this context, while memory, storage, and CPU are fundamental computing resources that can be pooled and managed collectively to support various workloads, security does not function as a pooled resource in the same way. Security typically encompasses measures, practices, and technologies designed to protect data, applications, and infrastructure. It is more of a service or a benchmark that is implemented across all resources rather than a discrete resource that can be pooled and allocated. Thus, identifying security as not being a valid pooled resource emphasizes the distinction between tangible computing resources and the protective protocols and practices that are necessary to safeguard these resources in a cloud environment.