Cisco Certified Internetwork Expert (CCIE) Practice Test

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Enhance your networking skills with the Cisco Certified Internetwork Expert Test. Tackle challenging questions and get detailed explanations. Prepare effectively to excel in your CCIE certification exam!

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Which two statements about the NOVA component in OpenStack are true? (Choose two)

It is considered the cloud computing fabric controller
It provides authentication and authorization services
It tracks cloud usage statistics for billing purposes
It launches virtual machine instances

The correct answer is: It is considered the cloud computing fabric controller

The NOVA component in OpenStack is primarily responsible for orchestrating the compute resources within a cloud environment. By being referred to as the cloud computing fabric controller, it manages the lifecycle of virtual machines (VMs) and integrates with various virtualization technologies to create and manage these instances. The functionality of NOVA encompasses not only launching VMs but also scheduling them, managing their states, and coordinating between the different components that provide networking and storage services. Hence, it plays a pivotal role in the overall management of compute resources in OpenStack. Considering the other options, the authentication and authorization services are typically managed by the Keystone component in OpenStack, which is designed specifically for identity management. Usage statistics for billing purposes are often tracked by Ceilometer, which focuses on monitoring and managing resources rather than NOVA itself. Therefore, NOVA’s designation as a cloud computing fabric controller and its function in launching virtual machine instances substantiate its critical role in OpenStack.