The following descriptions about the features of OpenStack are correct: (multiple choice)
Through its own virtualization functions and software-defined methods, OpenStack abstracts various hardware resources into resource pools
OpenStack provides a man-machine interface. The outside world can communicate with OpenStack through API, command line or graphical interface.
Line interaction
OpenStack allocates resources in the resource pool to different tenants according to the needs of users to carry different applications
OpenStack requires a third-party system to provide fault location and troubleshooting capabilities
Submit