OpenStack вопросы и ответы для интервью
Вопрос 16. Explain the role of Zaqar in OpenStack.
Zaqar is the messaging and notification service in OpenStack, providing a scalable and multi-tenant messaging API. It allows communication between different components and services.
Вопрос 17. What is the purpose of the 'swift-ring-builder' tool in Swift?
The 'swift-ring-builder' tool is used to manage the partitioning and distribution of data across the Swift object storage cluster. It helps in maintaining and updating the ring structure.
Вопрос 18. Explain the concept of 'Roles' in Keystone.
In Keystone, roles are a way to define a set of permissions or access rights. Users are assigned roles, and roles are associated with specific operations or resources in OpenStack.
Вопрос 19. What is the purpose of the 'OS-EXT-SRV-ATTR' extension in Nova?
The 'OS-EXT-SRV-ATTR' extension in Nova provides additional attributes and information about a server instance, including details about the host, instance name, and hypervisor.
Вопрос 20. Explain the concept of 'Keypair' in Nova.
A Keypair in Nova is a security feature used for secure communication with instances. It consists of a public key that is injected into the instance during its creation.
Самое полезное по оценкам пользователей:
- What is Horizon in OpenStack?
- What is OpenStack?
- Explain the main components of OpenStack.
- What is Nova in OpenStack?
- Describe the role of Neutron in OpenStack.