1z0-078試験無料問題集（79題）「Oracle Database 19c: RAC, ASM, and Grid Infrastructure Administration 認定」

出題：1

Which three statements are true about diagnostic reporting for the OCR and OLR files? (Choose three.)

A. The OCRCONFIG utilty can be used to repair a corrupt OCR file in an online fashion with the clusterware running on all nodes.

B. The OCRDUMP utility can dump specific keys from the OLR in an online fashion with the clusterware running on all nodes.

C. The OCRDUMP utility can dump specific keys from the OCR in an online fashion with the clusterware running on all nodes.

D. The OCRCHECK utility can check the OLR in an online fashion with the clusterware running on all nodes.

E. The CLUVFY utility can check the integrity of the OCR but not the OLR.

正解：B,C,D 解答を投票する

出題：2

Which two statements are true regarding ASM Dynamic Volume Manager (ADVM)? (Choose two.)

A. Only one ADVM volume can be created in an ASM disk group.

B. To create an ADVM volume, disk group attributes COMPATIBLE.ASM and COMPATIBLE.ADVM must be minimally set to 12.1.<.span>.

C. An ADVM volume is individually named and can contain only one file system.

D. File systems contained in ADVM volumes may only contain database files.

E. ADVM extends ASM by providing a device driver interface to storage backed by an ASM disk group.

正解：C,E 解答を投票する

出題：3

Which three statements are true about accessing ASM files? (Choose three.)

A. If a database instance writes to an ASM-based datafile whose redundancy attribute is set to mirror, then the ASM instance writes the mirror copy

B. Database instances perform read I/O directly to ASM Disks.

C. ASM instances can write metadata to ASM diskgroups.

D. Database instances perform read I/O using an ASM instance as an I/O Server.

E. Database instances can write metadata to ASM diskgroups.

正解：B,C,E 解答を投票する

出題：4

Which two statements are true about Transparent Application Continuity in Oracle RAC 19c? (Choose two.)

A. Recovery of the user database session is done safely by enabling auto recover within the user database session.

B. Transparent Application Continuity is enabled when failover type=All

C. Recovery of the user database session is done safely and with no need for a DBA to have any knowledge of the application or make application code changes.

D. Transparent Application Continuity is automatically enabled for a session when a database session reaches a safe place (such as a connection test or a known recoverable point) and the transactions are drained at the database.

E. Transparent Application Continuity is enabled when failover type=auto.

正解：C,E 解答を投票する

出題：5

Which three statements are true regarding multitenant architecture for RAC databases? (Choose three.)

A. You can open one, several, or all PD3s on one, several, or all cdb instances.

B. One undo tablespace for each pdb is required.

C. It requires the cdb to use shared undo management.

D. PDBs must use shared Temporary

E. One undo tablespace for each instance is required.

F. PDBs can have local temporary

正解：A,C,F 解答を投票する

出題：6

Examine the output of this command:

The ACFS disk group is a normal redundancy disk group with 5 GB of free space.
To increase the size of the ACFS file system, you execute this command as the root user:
$ /sbin/acfsutil size +200M /u01/app/grid/acfsmount
Which two statements are true regarding the outcome of this command? (Choose two.)

A. It fails to resize voli because it must be executed as a user belonging to the sysasm group.

B. It succeeds but leaves the file system unmounted.

C. It fails to resize the filesystem because it must be unmounted before resizing.

D. It resizes the filesystem mounted on /u01/app/grid/acfsmount.

E. It resizes voli.

正解：D,E 解答を投票する

出題：7

Which two statements are true about node listeners in a Grid Infrastructure Cluster using ASM? (Choose two.)

A. There can be only one node listener per node.

B. They listen only for database instances on the same node.

C. They listen on behalf of any ASM instance and all database instances on the same node.

D. They run from the Grid Infrastructure home by default.

E. They listen only for the ASM instance on the same node.

正解：C,D 解答を投票する

出題：8

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

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

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

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

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

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

正解：A,E 解答を投票する

1z0-078試験無料問題集「Oracle Database 19c: RAC, ASM, and Grid Infrastructure Administration 認定」