#45. You need to enable the use of the extended buffer cache mechanism for 32-bit platforms that can support more than 4 GB of physical memory. Which three are steps that you would take? (Choose three.)
#46. Examine the following entry in the crontab file: 30 18 15 * * su - oracle -c /usr/local/bin/backup.cmd >/dev/null 2>&1 Which two statements about this entry are true? (Choose two.)