Which method would you use to increase the SGA size so that all the components of SGA can make use of the memory that has been added?

You are working in a Linux 32-bit processor environment with 4 GB RAM. You need to increase the size of System Global Area (SGA) from the maximum of 1.7 GB up to 2.7 GB.
Which method would you use to increase the SGA size so that all the components of SGA can make use of the memory that has been added?

A.
Increase the value of the shmall kernel parameter.

B.
Apply the high-memory Page Table Entries (PTE) patch.

C.
Relocate buffer cache so that it uses a memory-based file system.

D.
Lower mapped_base and relocate SGA to use the lowered address.

E.
Use the enterprise kernel that includes the Page Address Extension (PAE) feature.