Which statements about the MLFQ $($Multi$-$Level Feedback Queue$)$ do you agree with?

Question $6$ options: choose the correct options

Those CPU$-$bound jobs $($i$.$e$.,$ jobs without much user interaction$)$ are given lower priority.

All jobs are given equal priority.

The shortest job is always the first to complete.

It works under the assumption that the run time of each job is known upon any scheduling decision involving this job.