1z0-070 試験問題を無料オンラインアクセス

Which two are true concerning Columnar Flash Caching?

• A.It can be enabled or disabled for individual databases by using I/O Resource Manager database plans.
• B.It automatically transforms Hybrid Columnar Compressed (HCC) data into a pure columnar format during Exadata Smart Flash Cache population.
• C.Data is either cached in Hybrid Columnar Compressed format or in pure compressed format, but never in both formats at the same time.
• D.It automatically transforms ROW STORE COMPRESS compressed data into a pure columnar format during Exadata Smart Flash Cache population.
• E.It is enabled by default.
• F.It improves single-row lookup performance.

Which four statements are true concerning the configuration or use of Enterprise Manager Cloud Control to monitor and manage Exadata Database Machine components?

• A.Oracle management agents must only be installed on one compute node in a Database Machine to enable monitoring and management of all compute nodes and storage nodes.
• B.Storage nodes forward their SNMP traps to the Management Server process on the same storage node.
• C.Cloud Control can monitor and manage a Database Machine storage Expansion rack.
• D.Cloud control can monitor and manage a Database Machine compute node expansion rack.
• E.Computer nodes forward their SNMP traps to the Management Server process on the same computer node.
• F.Oracle management agents must only be installed on one storage node in a Database Machine to enable monitoring and management of all storage nodes.
• G.Cloud Control cannot monitor partitioned Exadata Database Machine systems.

You have altered an index supporting a constraint to be invisible on a large data warehouse table in an X5 Database Machine.
Which two statements are true?

• A.You might retain the index, and leave it as invisible, and the constraint will still be recognized and enforced.
• B.You might drop the index and use a constraint with the DISABLE NOVALIDATE RELY flags for the constraint to be recognized.
• C.You must retain the index and make it visible again for the constraint to be recognized and enforced.
• D.You must retain the index and set the constraint to DISABLE NOVALIDATE RELY for the constraint to be recognized.
• E.You might drop the index and make the constraint invisible, for the constraint to be recognized and enforced.

You are planning the migration of a large data warehouse to a Little Endian X6 Database Machine using which is running database version 12.2.0.1.
The current database version is Oracle Database 11.2.0.4.0 hosted on a Big Endian platform.
The current database characterset is WE8ISO8859P15.
Which two migration methods are supported?

• A.cross-platform Transportable Database
• B.Physical Standby database
• C.Logical Standby database
• D.Data Pump

Identify two valid reasons for executing an X5 Exadata storage server rescue procedure.

• A.Only the failure of physical disk 1
• B.Corruption in the /(root) filesystem
• C.Accidental loss of all data from all griddisks in a storage server
• D.Corruption in a normal or high redundancy ASM diskgroup
• E.The failure of both physical disks 0 and 1
• F.Only the failure of physical disk 0