Oracle Database 19c: RAC, ASM, and Grid Infrastructure Administration - 1z0-078 Exam Practice Test

A. Specifying the use of Grid Naming Service is optional. B. The Clusterware binaries may be installed without installing ASM binaries. C. High Redundancy ASM Disk Groups used for Clusterware files will contain two OCRs. D. Normal Redundancy ASM Disk Groups used for Clusterware files will contain three voting files regardless of the number of E. The Grid Infrastructure Management Repository is only required when using ASM.

A. In a policy-managed RAC database, an undo tablespace may automatically be created if OMF is enabled for the database. B. A mixture of automatic undo management and manual undo management is supported within a RAC database. C. An instance that performs instance recovery can write to the undo tablespace of a failed instance. D. It is necessary to assign a specific undo tablespace to a specific instance. E. You can dynamically assign a newly created undo tablespace to an instance.

A. The disabling of volume does not destroy data in the file system. B. The ACFS file system will be permanently removed from the volume. C. The ACFS file system will be permanently removed from the volume only if the file system is empty. D. The volume can be enabled and the file system can be mounted back again to access the existing data. E. The ACFS mount registry with Oracle restart is automatically deleted.

A. Mutexes B. Database block buffers C. Redo log buffers D. Latches E. Enqueues F. Cursors

A. A server pool must be created with srvct1 before creating a policy-managed RAC database that uses that server pool for a service. B. Singleton services are not permitted for multitenant databases. C. Policy-managed services specified for a database allow the creation of a new server pool using dbca. D. They can be administrator managed for a multitenant database. E. They can be policy managed for a multitenant database.

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 using an ASM instance as an I/O Server. C. Database instances perform read I/O directly to ASM Disks. D. Database instances can write metadata to ASM diskgroups. E. ASM instances can write metadata to ASM diskgroups.

A. HANFS provides high availability in case of an NFS client failure. B. NFS client requests are distributed by DNS in a round-robin fashion to the cluster nodes that export the NFS C. HANFS provides high availability in case of cluster node 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.

A. an O/S group to own the software inventory B. an O/S group called dba C. an O/S user to own the Clusterware installation and a different O/S user own the Automatic Storage Management (ASM) installation D. A group to own Automatic Storage Management (ASM) Filter Driver-provisioned storage E. an O/S user to own the Grid Infrastructure installation F. an 0/S user to own the Oracle Database installation