Question 3
The ALTER BUFFERPOOL command specifying the AUTOSIZE(YES) option enables DB2 to use WLM services to fine tune the buffer pools.
What is the result of issuing this ALTER?
The immediate write threshold can be increased by 25%.
A pool size can be increased by up to 25% over original pool size.
The pool size can be increased in 25% increments base on sequential read hit ratio.
Depending on the type of I/O performed, pool size can be increased or decreased.
Correct answer: B
Explanation:
Reference: http://www-01.ibm.com/support/knowledgecenter/SSEPEK_11.0.0/com.ibm.db2z11.doc.perf/src/tpc/db2z_enableautobpsize.dita
Reference: http://www-01.ibm.com/support/knowledgecenter/SSEPEK_11.0.0/com.ibm.db2z11.doc.perf/src/tpc/db2z_enableautobpsize.dita