Which OpenStack component is responsible for user authentication and authorization?

What are two objectives of SDN?(choose two)

What are two concepts of private cloud? (choose two)

AppFormix has been deployed in your data center using the Juniper Telemetry Interface(JTI) native sensors. However, the underlay devices have not yet been set up to work with the JTI native sensors.
Which action is required for the JTI native sensors to work properly?

Which statement is correct about SDN?