Palo Alto Networks (PANW) Certified Cybersecurity Entry-level Technician (PCCET) Practice Exam

Which cloud use model limits the choice of the runtime environment to those supported by the cloud provider?

1. Serverless

2. On-demand containers

3. Containers as a service (CaaS)

4. Standard docker containers

The correct answer is: Serverless

The serverless cloud use model is associated with a significant degree of abstraction in that developers focus primarily on writing code without needing to manage the underlying infrastructure. In this model, the cloud provider fully manages the server resources, allowing developers to automatically scale their application as needed and pay only for the computing time that the code is executed. In serverless architectures, the runtime environment is typically limited to what the cloud provider supports. This means developers have to work within the constraints of the specific functions, languages, and execution contexts that the provider offers. By doing so, they can take advantage of built-in transparency, scalability, and reduced operational complexity. On the other hand, options like on-demand containers, containers as a service (CaaS), and standard Docker containers provide more flexibility in choosing and managing the runtime environments, allowing developers to run their applications in a broader array of operating systems and frameworks, contingent on their preferences and requirements. Thus, the serverless model is distinctly characterized by its limitations regarding the choice of the runtime environment, making it the correct answer in this context.