Which of the following is true regarding disk offload?

A.
The amount of disk space to use cannot be specified.

B.
On server startup, DynaCache loads the entire disk cache into memory.

C.
The number of cache entries that are offloaded to disk cannot be specified.

D.
Disk offload can be enabled to have a cache entry copied to the file system at a configurable location.

Explanation:
AC: Before you enable disk offload, consider the following:
You cannot specify the number of cache entries that are offloaded to disk.
You cannot specify the amount of disk space to use.
D: You can enable disk offload to have a cache entry copied to the file system (the location is configurable).
https://www.ibm.com/support/knowledgecenter/SSEQTP_9.0.0/com.ibm.websphere.base.doc/ae/udyn_rcachesettings.html