Cisco Certified Internetwork Expert (CCIE) Practice Test

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Which OpenStack project has orchestration capabilities?

Heat
Cinder
Horizon
Sahara

The correct answer is: Heat

The correct choice is the project known as Heat, which is specifically designed for orchestration within the OpenStack ecosystem. Heat allows users to automate the deployment of infrastructure and applications by defining a desired state through simple templates (often in YAML format). It utilizes the concept of a "stack" to manage the lifecycle of resources, enabling users to create, update, and delete entire environments consistently and predictably. In contrast, Cinder is the block storage service for OpenStack, providing persistent storage capabilities for instances. Horizon serves as the web-based dashboard for managing OpenStack services but does not offer orchestration functionalities on its own. Sahara is focused on providing data processing services, particularly around Apache Hadoop and related technologies, rather than serving as an orchestration tool. Each of these projects serves different purposes, making Heat the appropriate choice for orchestration capabilities in OpenStack.