Which two statements are true about the usage of scratch disk? (Choose two.)

A.
The Sort stage always uses the scratch disk.

B.
You can define multiple scratch disk spaces to distribute disk I/O.

C.
If “buffer” scratch disk pool is defined,the framework uses this disk pool and the default disk
pool.

D.
The parallel framework uses the disk space specified in the scratch disk setting to buffer virtual
data set records.

Explanation: