提供免費試用 1Z0-048 題庫資料

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最新的 Other Oracle Certification 1Z0-048 免費考試真題:

1. For which two server metrics can you define thresholds for your services? (Choose two.)

A) LOGICAL_READ_PER_CALL
B) APPLICATION_WAIT_TIME
C) ELAPSED_TIME_PER_CALL
D) CPU_TIME_PER_CALL
E) SQL EXECUTE ELAPSED TIME
F) PHYSICAL_READ_PER_CALL

2. Which three storage types are suitable as a flash recovery area for an Oracle 10g RAC database? (Choose three.)

A) ASM disk group
B) Local file system
C) Cluster file system
D) Shared NFS directory
E) Raw volume

3. View the Exhibit.
Users complain about the performance of an Oracle database-based application. You are requested to investigate. From Grid Control, you immediately infer that one of the cluster database instances and one of the cluster ASM instances are currently unavailable. You also see that the host where the instance belongs was recently rebooted due to an unknown reason.
Using Grid Control, you restart the instance and performance rapidly improves. You want to determine the cause of the instance startup failure after system boot, and you check the resource profiles on both the database and ASM instances involved.
Why was the instance not started by CRS?

A) The instance was started by CRS after the system was rebooted, but someone stopped it from within SQL*Plus.
B) The database instance could not be started by CRS because this instance depends on an ASM instance, whose autostart attribute indicates that CRS should not start this ASM instance after system boot.
C) The instance was not started by CRS because its target state was set to "offline" a while before the system was rebooted.
D) The instance was started by CRS but due to multiple instance failures CRS disabled the database instance, thereby preventing further restarts.
E) The database instance autostart attribute is set to a value, thus preventing CRS from starting it after a system reboot.

4. You want check whether the group services node application is running on all the nodes in your cluster before you create a cluster database. Which utility can you use to make sure the node application is running on all nodes in the cluster?

A) Isnrctl
B) addnode.sh
C) crsctl
D) onsctl
E) crs_stat

5. View the Exhibit.
You are required to support your Oracle RAC configuration using ASM and RAID technology. You plan to discuss the storage configuration with the storage technology team. They have proposed a configuration as shown in the exhibit with a separate set of LUNs for the data disk group and the flash recovery area disk group and a 500 KB stripe size in line with other non-Oracle LUNs. The Data disk group has four250G LUNs and the FRA disk group has four500G LUNS, both of which are mirrored.

A) The LUNs are not aligned with ASM Allocation Units, which may lead to I/O bottlenecks.
B) Retention policies that require backups to be kept for long time periods may cause wasted space due to large allocation units.
C) I/O to the flash recovery area disk group for backups may cause performance issues when full table scans are occurring during batch workloads.
D) Index Range Scans would cause I/O to many different physical disks.

問題與答案：

問題 #1 答案： C,D

問題 #2 答案： A,C,D

問題 #3 答案： B

問題 #4 答案： E

問題 #5 答案： A,B,C