Oracle Updated 1z0-083 Exam Questions and Answers by essa

Duplication can be done by having the auxiliary database instance pull backup sets from the target database instance.

A connection to an auxiliary instance is always required.

A subset of the target database can be duplicated.

A new DBID is always created for the duplicated database.

A connection to the recovery catalog instance is always required.

A backup of the target database is always required.

Duplication can be done by having the target database instance push copies to the auxiliary database instance.

If a row lock is held by a nonexistent transaction, the block containing the row is media corrupt.

DB_BLOCK_CHECKING=TRUE causes a check sum to be added to each data block to help detect physical or media corruption.

A media corrupt block is one where the block is not formatted correctly.

The ANALYZE TABLE VALIDATE STRUCTURE CASCADE command verifies that each table row has an index entry pointing to it.

If a row lock is held by a nonexistent transaction, the block containing the row is logically corrupt.

DB_LOST_WRITE_PROTECT=TYPICAL causes extra logging overhead on the standby database.

All AWR tables belong to the SYSTEM schema.

The AWR data is stored in memory and in t he database.

The snapshots collected by AWR are used by the self-tuning components in the database

AWR computes time model statistics based on time usage for activities, which are displayed in the v$SYS time model and V$SESS_TIME_MODEL views.

AWR contains system wide tracing and logging information.

It performs a shutdown and then a restart of all processes in both Oracle Grid Infrastructure and Oracle Database home during the patching process.

It must be invoked by a user with root user privileges.

Patches are applied via opatchauto.

Users must always input patch plans to opatchauto.

It requires the Oracle Grid Infrastructure and Oracle Database instances to be shut down before being invoked.

It applies patches in nonrolling mode by default.

It is used to apply interim patches to Oracle Grid Infrastructure and Oracle Database home combinations.