How does cloud computing work in an online MCA?

Cloud computing provides on-demand access to computing resources such as servers, storage and databases. MCA students can benefit from understanding virtualisation, scalability, deployment and cloud security. The practical value of cloud computing becomes clearer when you use it to solve an actual problem instead of studying definitions alone. This point is specifically relevant to the cloud computing aspect of MCA study. For this specific question about cloud computing, the practical takeaway is to relate the concept to your own MCA learning goal. In other words, this guidance addresses: How does cloud computing work in an online MCA?