Why are the BUFNO options used?

exams A00-212 A00-212 exam 0 Comments

The following SAS program is submitted:

data new (bufnp=4);

set old(bufno=4);

run;

Why are the BUFNO options used?
A . To reduce the number I/O operations
B . To reduce network traffic
C . To reduce memory usage
D . To reduce the amount of data read

Answer: A