Oracle 1z0-078 問題集

質問 1：
You performed these steps to disable an ADVM volume containing an ACFS file system:
1. Dismount the file system.
2. Disable the volume with the ASMCMD voldisable command.
Which two statements are true regarding the actions performed? (Choose two.)
A. The volume can be enabled and the file system can be mounted back again to access the existing data.
B. The disabling of volume does not destroy data in the file system.
C. The ACFS mount registry with Oracle restart is automatically deleted.
D. The ACFS file system will be permanently removed from the volume.
E. The ACFS file system will be permanently removed from the volume only if the file system is empty.
正解：A,B

質問 2：
Which two statements are true regarding ASM Dynamic Volume Manager (ADVM)? (Choose two.)
A. File systems contained in ADVM volumes may only contain database files.
B. An ADVM volume is individually named and can contain only one file system.
C. To create an ADVM volume, disk group attributes COMPATIBLE.ASM and COMPATIBLE.ADVM must be minimally set to 12.1.<.span>.
D. ADVM extends ASM by providing a device driver interface to storage backed by an ASM disk group.
E. Only one ADVM volume can be created in an ASM disk group.
正解：B,D

質問 3：
Which two statements are true regarding the default service that is automatically created upon PDB creation in a RAC database environment? (Choose two.)
A. It is automatically registered in the OCR.
B. It cannot be used to automate the opening of the PDB by the Clusterware.
C. It is uniformly available on all instances for administrator-managed databases.
D. It is not automatically registered in the OCR.
E. It is created and started on only one instance when using policy-managed database configuration.
正解：A,C

質問 4：
Which task must be performed before running the OPatch utility to patch Oracle Grid Infrastructure 19c?
A. Stage the patch on all cluster nodes.
B. Update the path environment variable on the node where you will run the OPatch utility to point to the SORacle HOME/OPacch directory.
C. Stage the patch on the cluster node where the OPacch utility will be executed.
D. Update the path environment variable on each cluster node to point to the 50RACLE HOME/OPacch directory
正解：A

質問 5：
Which three statements are true about the administration and use of policy sets in Oracle 19c Clusterware? (Choose three.)
A. A server pool can have different attributes defined for different policies in the policy set, when user-defined policy management is used.
B. Clusterware administrators cannot directly modify the policy set when Quality of Service (QoS) Management is used.
C. A server pool can have the same attributes defined for different policies in the policy set, when user-defined policy management is used.
D. All server pools in a cluster are controlled by the policy set, when user-defined policy management is used.
E. Servers in a server pool outside the control of the policy set are never affected by policy changes, when user-defined policy management is used.
正解：A,C,D

質問 6：
Zero Downtime Patching uses Fleet Patching and Provisioning to patch Oracle Grid Infrastructure without bringing down Oracle RAC database instances.
Which three statements are true about Zero-Downtime Oracle Grid Infrastructure Patching? (Choose three.)
A. When using Zero Downtime Patching, Oracle Grid Infrastructure OS system software, kernel modules and system commands including ACFS, AFD, OLFS, and OKA are not updated.
B. Zero Downtime Patching requires out-of-place patching of Oracle Grid Infrastructure 19c with Oracle RAC or Oracle RAC One Node databases of 19c or later releases and only the binaries in the Oracle Grid Infrastructure user space are patched.
C. Zero Downtime Patching can be fully automated by selecting the option to automatically run the root.sh script.
D. Zero Downtime Patching requires in-place patching of Oracle Grid Infrastructure 19c with Oracle RAC or Oracle RAC One Node databases of 19c or later releases and only the binaries in the Oracle Grid Infrastructure user space are patched.
E. When using Zero Downtime Patching, the root.sh script must be executed manually with -nodriver update option.
正解：A,B,E

質問 7：
Which two actions guarantee that time is synchronized properly on all nodes in a cluster after installing Oracle Grid Infrastructure 19c? (Choose two.)
A. If network time protocol (NJP) is not configured properly on all cluster nodes, then Oracle Cluster Time Synchronization Service (CTSSD) will start automatically in active mode when the clusterware is started.
B. Configure network time protocol (NTP) on all cluster nodes, and then start the Oracle Cluster Time Synchronization Service (CTSSD) in active mode on all cluster nodes.
C. Configure network time protocol (NTP) on all cluster nodes; Oracle Cluster Time Synchronization Service (CTSSD) will then start automatically in observer mode when the clusterware is started.
D. If network time protocol (NTP) time servers are unreachable on any cluster node, then Oracle Cluster Time Synchronization Service (CTSSD) will start automatically in active mode when the clusterware is started.
E. Deactivate network time protocol (NTP) on all cluster nodes; Oracle Cluster Time Synchronization Service (CTSSD) will then start automatically in active mode when the clusterware is started.
正解：A,C

質問 8：
Which two components must always be defined or specified by an administrator to make an application highly available using Oracle 92c Clusterware? (Choose two.)
A. a script agent
B. A Server Pool
C. an application VIP
D. an application resource
E. a resource dependency definition
正解：A,D