Which of the following statements about the default scheduler in the Nokia 7750 SR is...

The default scheduler spends an equal amount of time servicing each queue that has traffic to be sent out.

Queue-type can be configured as best-effort, expedite, or auto-expedite.

A queue will be serviced as expedited if its type is configured as expedited, regardless of the forwarding classes mapped to it.

A queue configured as auto-expedited will be an expedited queue as long as no Best Effort FC is mapped to it.