Which three statements are true concerning the multitenant architecture?

Question

Options

• AEach pluggable database (PDB) has its own set of background processes.
• BA PDB can have a private temp tablespace.
• CPDBs can share the sysaux tablespace.
• DLog switches occur only at the multitenant container database (CDB) level.
• EDifferent PDBs can have different default block sizes.
• FPDBs share a common system tablespace.
• GInstance recovery is always performed at the CDB level.

• A
  15% (9)
• B
  74% (46)
• C
  5% (3)
• E
  2% (1)
• F
  5% (3)

Explanation

• A PDB would have its SYSTEM, SYSAUX, TEMP tablespaces.It can also contains other user created tablespaces in it. * There is one default temporary tablespace for the entire CDB. However, you can create additional temporary tablespaces in individual PDBs. * There is a single redo log and a single control file for an entire CDB * A log switch is the point at which the database stops writing to one redo log file and begins writing to another. Normally, a log switch occurs when the current redo log file is completely filled and writing must continue to the next redo log file. G: instance recovery The automatic application of redo log records to uncommitted data blocks when an database instance is restarted after a failure. * There is one set of background processes shared by the root and all PDBs. * High consolidation density. The many pluggable databases in a single container database share its memory and background processes, letting you operate many more pluggable databases on a particular platform than you can single databases that use the old architecture. Not C: There is a separate SYSAUX tablespace for the root and for each PDB. Not F: There is a separate SYSTEM tablespace for the root and for each PDB.

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