1Z0-485 Real Exam Questions

You are asked to enable Write Back Flash Cache for one of your customers X3-2 Full Rack in a rolling fashion. Put the following steps in the right order:

The mpstat output from OS Watcher shows a database node as being 90% idle on an average. What would you do to get a full picture of CPU utilization on the entire Exadata RAC cluster?

Which is a best practice for High Availability (HA) in an Exadata environment?

Storage indexes are unique to the Exadata Database Machine and their primary goal is to reduce the amount of I/O required to service I/O requests for Exadata Smart Scan. Put the following steps in order: 1. The Exadata cell services software conducts I/O requests on I MO storage regions. 2. cellsrv checks the high and low values, and determines the storage region does not contain any values meeting the predicate. 3. The database is started. 4. Physical I/O to the region is bypassed if the query selection falls outside the high/low storage index storage. 5. A query is issued against the MYOBJ_CTRL table that has a predicate OBJECT_ID=1500. 6. A subsequent query is Issued against the MYOBJ_CTRL table that has a predicate OBJECT_ID=2234. 7. MYOBJ_STATE'S region index is populated with high and low values for the OBJECT_ID column during the I/O request.

Which table compression technique will not work on Exadata without licensing the Oracle Advanced Compression Option?