Which statement is true regarding application containerization?

• A. Application containerization eliminates the need for orchestration.
• B. Application containerization requires custom hardware.
• C. Application containerization provides increased portability.
• D. Application containerization guarantees zero overhead.

Answer: (C)

Containerization packages an application with its runtime and dependencies into a container image, which can run consistently on any host that has a compatible container runtime. This setup makes the software portable because the same image behaves the same way across development, testing, and production environments, and across different operating systems or cloud/on‑prem infrastructures. You don’t have to change code or install different libraries for each target environment—the container provides the isolated user space the app expects, while sharing the host kernel.

That portability is what makes this option the best. It enables moving workloads easily between laptops, data centers, and public clouds, and between different container platforms, with minimal configuration changes.

The other statements aren’t accurate reflections of containerization. It doesn’t remove the need for orchestration—managing many containers at scale (deployments, updates, health checks, scaling) typically requires an orchestrator. It doesn’t require custom hardware; containers run on standard hardware or virtualized environments. And it doesn’t guarantee zero overhead; there is some overhead from the container runtime and isolation, though it’s generally much less than traditional virtualization.