Which TWO commands can be used to display a swap usage summary?

The swap usage on a system needs to be checked.
Which TWO commands can be used to display a swap usage summary?

A.
swapshow

B.
swapon -s

C.
cat /etc/fstab

D.
swapconfig

E.
cat /proc/swaps

Explanation:
swapshow swapconfig commands do not exist
/etc/fstab does not show memory usage

/proc/swaps file contains the size of virtual memory as well as using swapon -s command display the swap usages memory.