Which two features are available with the Unbreakable kernel R2, but not with the Red Hat Compatible Kernel?

Which two features are available with the Unbreakable kernel R2, but not with the Red Hat
Compatible Kernel?

A.
Oracle Clusterware for Linux

B.
Up to 4-petabyte cluster volumes with OCFS2

C.
Ksplice zero downtime patching

D.
Transparent Huge Pages support (that is, 2 MB instead of 4 KB)

Explanation:
Oracle’s Unbreakable Enterprise Kernel
KEY FEATURES:

*Modern kernel based on 2.6.32,
optimized by Oracle for server
deployments
*Includes OCFS(Oracle Cluster File System)2 1.6 for clustered volumes
*Includes OFED 1.5.1
*Advanced NUMA support
*New diagnostic and tracing tools,
including performance counters
*Complete data integrity checking from
application to disk
*Hardware fault management