How to answer what is cloud computing in an interview?

When answering "What is cloud computing?" in an interview, keep your explanation clear, concise, and focused on key concepts. Here's a strong approach:

Cloud computing is the delivery of computing services—such as servers, storage, databases, networking, software, and analytics—over the internet (“the cloud”) rather than through local servers or personal devices. It allows users to access these services on-demand, offering scalability, flexibility, and cost-efficiency.

Key characteristics of cloud computing:

1. On-demand self-service: Users can access computing resources (e.g., storage, processing) as needed without human intervention.
2. Broad network access: Cloud services are accessible from any device with an internet connection.
3. Resource pooling: Providers use shared resources to serve multiple customers, allowing for more efficient use of infrastructure.
4. Scalability and elasticity: Resources can be automatically scaled up or down based on demand.
5. Measured service: Users pay only for the resources they use, which helps control costs.

Examples of cloud providers include Amazon Web Services (AWS), Microsoft Azure, and Google Cloud Platform (GCP). These platforms offer various services, such as Infrastructure as a Service (IaaS), Platform as a Service (PaaS), and Software as a Service (SaaS).