Which CentOS 7 vmstat basic field provides the percentage of total processor time spent in I/O wait?

You can choose to have an animation display just once, a specified number of times, or continuously, which is called ____.

A. tweening B. auto-filling C. looping D. filtering

What are the two different ways that responsibility for an OU can be delegated to a non-administrator user?

What will be an ideal response?