Oracle 1z1-068 Actual Free Exam Questions & Community Discussion

Exam Code/Number: 1z1-068
Exam Name/Title: Oracle Database 12c: RAC and Grid Infrastructure Administrator
Certification Provider: Oracle
Corresponding Certification: 12c

Exam Questions: 152
Updated On: Jul 07, 2026

Question #34

Which two tasks must be performed before launching the Oracle universal installer to install Oracle Database Software for RAC?

A. Grid infrastructure must be installed on all cluster nodes where the Database software will be installed.

B. The Clusterware stack must be up on all cluster nodes where the Database software will be installed.

C. Grid infrastructure must be installed on all cluster nodes.

D. SSH user equivalence for the Oracle software owner must be configured on all cluster nodes.

E. The Clusterware stack must be up on all cluster nodes.

F. SSH user equivalence for the Oracle software owner must be configured on all cluster nodes where the Database Software will be installed.

Discussion 0

Correct Answer: C,E Vote an answer

Question #35

Which three statements are true regarding multitenant architecture for RAC databases?

A. PDBs can have local temporary tablespaces.

B. You can open one, several, or all PDBs on one, several, or all CDB instances.

C. All the containers share the same SYSTEM and SYSAUX tablespaces.

D. One UNDO tablespace for each instance is required.

E. One UNDO tablespace for each PDB is required.

Discussion 0

Correct Answer: A,B,D Vote an answer

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Question #36

Which two statements are true about Oracle Clustered ASM performance? (Choose two.)

A. All ASM Disks belonging to a disk group should be of the same size for optimal performance.

B. Data files, redo logs, and RMAN backup pieces must be stored in different ASM disk groups for optimal performance.

C. All ASM Disks belonging to a disk group should have the same hardware specifications and storage attributes for optimal performance.

D. Hardware-based mirroring combined with ASM mirroring guarantees optimal performance.

E. To improve performance a database must have two disk groups; one for data and one for the fast recovery area.

Discussion 0

Correct Answer: A,C Vote an answer

Question #37

Examine this output:

The ACFS disk group has 10 GB free space and the file system is currently mounted.
You execute this command to increase the volume size:
ASMCMD >volresize -G ACFS -s 3G VOL1
Which statement is true regarding the outcome?

A. It succeeds.

B. It fails because resizing a volume containing an ACFS file system must be performed using ACFSUTIL.

C. It fails because the -f option is not specified.

D. It fails because the file system must be unmounted before resizing.

E. It succeeds but the file system is automatically unmounted.

Discussion 0

Correct Answer: B Vote an answer

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Question #38

Which two statements are true about clustered ASM instances? (Choose two.)

A. An ASM instance must store its SPFILE in ASM.

B. The ASM passwordfile can be stored in a diskgroup that is accessible to all ASM instances.

C. The SPFILE must be stored in $GRID_HOME/dbs on local storage of a cluster node.

D. The SPFILE must be stored in a diskgroup that is accessible to all ASM instances.

E. The ASM passwordfile can be stored in $GRID_HOME/dbs on local storage of a cluster node.

Discussion 0

Correct Answer: A,C Vote an answer

Question #39

You are developing a user callout procedure to send an email to the helpdesk whenever a RAC database instance fails to restart after node failure.
Examine these tasks (see exhibit):

Identify the minimum steps required, in the correct sequence, to implement this.

A. 1, 4, 6

B. 2, 4, 7

C. 1, 4, 7, 8

D. 1, 3, 7

E. 2, 5, 8

F. 2, 4, 7, 8

Discussion 0

Correct Answer: B Vote an answer

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Question #40

Which two statements are true about High Availability NFS (HANFS)? (Choose two.)

A. NFS client requests are distributed by DNS in a round-robin fashion to the cluster nodes that export the NFS filesystem.

B. HANFS provides high availability in case of cluster node failure.

C. HANFS provides high availability in case of an NFS client failure.

D. HANFS performance depends on the characteristics of the underlying ASM disks.

E. HANFS does not depend on NFS services provided by the underlying operating system.

Discussion 0

Correct Answer: C,D Vote an answer

Question #41

Which two actions can restrict the number of instances used for parallel execution of a SQL statement?
(Choose two.)

A. setting the PARALLEL_DEGREE_POLICY to LIMITED

B. setting the PARALLEL_FORGE_LOCAL to TRUE

C. setting the PARALLEL_SERVERS_TARGET value equal to that of PARALLEL_MAX_SERVERS

D. creating a UNIFORM service for a policy-managed RAC database

E. using a database service to limit the number of instances that participate in parallel execution

Discussion 0

Correct Answer: A,E Vote an answer

Question #42

Which three statements are true about Oracle Clusterware 12c Flex Cluster architecture?

A. Leaf nodes require direct access to the voting disks.

B. Each leaf node must be connected to storage shared across all leaf nodes.

C. Each hub node must be connected to storage shared across all hub nodes.

D. Each leaf node must be connected to storage shared across all cluster nodes.

E. Hub nodes require direct access to the OCR file.

F. Hub nodes require direct access to the voting disks.

Discussion 0

Correct Answer: C,E,F Vote an answer

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Question #43

Which four tasks are performed by DBCA when you convert a single-instance database to a four-instance RAC database?

A. creating shared ASM disk groups

B. creating database services

C. creating additional undo tablespaces

D. creating additional redo threads

E. adding cluster resources

F. adding additional initialization parameters

Discussion 0

Correct Answer: C,D,E,F Vote an answer

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Question #44

Examine this command:
SQL> CREATE PLUGGABLE DATABASE pdb3 FROM pdb1;
Which three conditions must be true for successful execution of this command on a RAC database? (Choose three.)

A. Oracle Managed Files must be enabled or PDB_FILE_NAME_CONVERT must be set.

B. The source PDB must use a global temporary tablespace.

C. The source PDB must be closed on the CDB instance from where the command is executed.

D. The source PDB must be in READ ONLY mode on all CDB instances.

E. All running CDB instances must be open in restricted mode.

F. It can be executed only by a common user with the CREATE PLUGGABLE DATABASE system privilege connected to the root container.

Discussion 0

Correct Answer: A,D,F Vote an answer

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