Swap space in Solaris 10 OS is managed by the swapfs file system. Which two statements accurately describe swapfs? (Choose two.)

A.
The swap file system consists only of swap slices and swap files.

B.
The swap file system might consist of physical RAM, swap slices, and swap files.

C.
The swapfs provides real physical swap space addresses in response to swap space reservation requests.

D.
The swap slices and swap files managed by swapfs need to be twice as large as physical RAM on the system.

E.
The swapfs provides virtual swap space addresses, thus decreasing the need for physical swap on systems with large, available memory.

Explanation:

swap file system = swap slices + swap files = Virtual memory.