→ Containers (e.g., Docker) allow developers to package an application along with only the necessary runtime, libraries, and critical dependencies. This makes the asset lightweight, reusable, and portable across environments. Unlike virtual machines, containers share the host OS kernel and are far more efficient in packaging only what's essential.
Why the other options are incorrect:
A: Thin clients refer to client-server models with minimal local processing — not relevant to dependency packaging.
C: Virtual machines include an entire OS, leading to more overhead than necessary for reusable assets.
D: Edge devices are hardware-based deployments typically used in IoT scenarios, not packaging tools.
Official References:
CompTIA DataX (DY0-001) Official Study Guide – Section 5.2:“Containers enable consistent development environments by packaging applications and only critical dependencies, making them ideal for portability and reuse.”
Docker Documentation:“Containers package code and dependencies into a single unit of software, ensuring consistency across environments while minimizing overhead.”
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