Oracle Database 12c: RAC and Grid Infrastructure Administration: 1Z0-068

Correct Answer: BD

Section: (none)

The UNDROP DISKS clause of the ALTER DISKGROUP statement cannot be used to restore disks that are being dropped as the result of a DROP DISKGROUP statement, or for disks that are being dropped using the FORCE clause.

Reference: https://docs.oracle.com/cd/B28359_01/server.111/b31107/asmdiskgrps.htm

Correct Answer: ABE

Section: (none)

Incorrect Answers:

F, G: Leaf Nodes are different from standard Oracle Grid Infrastructure nodes, in that they do not require direct access to shared storage, but instead request data through Hub Nodes. Hub Nodes can run in an Oracle Flex Cluster

configuration without having any Leaf Nodes as cluster member nodes, but Leaf Nodes must be members of a cluster that includes at least one Hub Node.

Reference: https://docs.oracle.com/database/121/CWADD/bigcluster.htm#CWADD92409

Correct Answer: BE

Section: (none)

B: The srvctl predict filesystem command predicts the consequences of file system failure.

E: The acfsutil info fs command displays detailed Oracle ACFS file system information, such as: iscorrupt - 1 if the file system is corrupt, 0 if file system is not corrupt.

Incorrect Answers:

A: ASMCMD is a command-line utility that you can use to manage Oracle ASM instances, disk groups, file access control for disk groups, files and directories within disk groups, templates for disk groups, and volumes.

C: There is no crsctl fail command.

There is a crsctl eval fail resource command to predict the consequences of a resource, not the file system, failing.

D: Oracle ASM Configuration Assistant (ASMCA) supports installing and configuring Oracle ASM instances, disk groups, volumes, and Oracle Automatic Storage Management Cluster File System (Oracle ACFS). In addition, you can use the

ASMCA command-line interface as a non-GUI utility.

F: advmutil canonical displays the canonical name of the specified Oracle ADVM device name. dvmutil tune displays the value of a specific Oracle ADVM parameter or sets the value of a specific Oracle ADVM parameter.

advmutil volinfo displays information about Oracle ADVM volume devices.

References:

https://docs.oracle.com/database/121/RACAD/srvctladmin.htm#sthref1656 https://docs.oracle.com/cd/E11882_01/server.112/e18951/asmfs_util010.htm#OSTMG95207