Zephyr Professional Practice Test 2025 - Free Practice Questions and Study Guide

The answer is indeed focused on the option that highlights Docker Container as a Service. This is a crucial feature provided by Bluemix, now known as IBM Cloud, which allows developers to deploy, manage, and scale containerized applications easily. Docker, as a platform, enables the creation and deployment of applications within containers that package the code along with its dependencies, ensuring consistent operation across various environments.

Container as a Service (CaaS) simplifies the process of managing Docker containers in the cloud, offering functionalities such as orchestration, scaling, and monitoring. This is particularly beneficial for businesses looking to leverage microservices architecture and containerization for their applications.

In contrast, while options like Virtual Machine Hosting do provide application deployment capabilities, they do not focus on the containerization aspect that is central to this question. Network Security Systems and Real-Time Analytics are also important features and services in the cloud ecosystem, but they do not directly relate to the specific functionality related to containers. Thus, Docker Container as a Service stands out as the key component that specifically addresses the management and orchestration of containers within the Bluemix environment.