Oracle : 1Z0-048 Questions & Answers
Updated: Jun 03, 2026
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Oracle Database 10g R2: Administering RAC Sample Questions:
1. On a UNIX platform, which three processes are required to be running on all nodes before initiating a cluster database creation? (Choose three.)
A) crsd.bin
B) ocssd.bin
C) racgmon.bin
D) evmd.bin
2. Because of the increasing load on your Oracle Database 10g Release 2 cluster, your company has decided to add one extra node to your existing four-node cluster. To prevent errors during this process, you want to make use of the Cluster Verification Utility (CLUVFY) so that you can check if you meet all requirements before you execute each step in this node-adding process. From where can you run CLUVFY?
A) only after downloading it from the Oracle Technology Network (OTN) Web site
B) from both the Oracle Clusterware distribution media and the Oracle Clusterware ORACLEJHOME
C) only from the Oracle Clusterware distribution media
D) only from the Oracle Clusterware ORACLEJHOME
E) only from a non-Oracle Clusterware ORACLEJHOME
F) from the Oracle Clusterware distribution media, any available RAC and/or CRS ORACLEJHOME on your cluster, and from the location where you downloaded it from in the Oracle Technology Network (OTN) Web site
G) from the Oracle Clusterware distribution media, any ORACLEJHOME on the node from which you installed the first four nodes, and from the location where you downloaded it from in the Oracle Technology Network (OTN) Web site
3. 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) I/O to the flash recovery area disk group for backups may cause performance issues when full table scans are occurring during batch workloads.
C) Retention policies that require backups to be kept for long time periods may cause wasted space due to large allocation units.
D) Index Range Scans would cause I/O to many different physical disks.
4. You are about to build a new Oracle Clusterware-based cluster and you want to make the installation process as smooth as possible. You decide to use the Cluster Verification Utility (CLUVFY) to check whether or not your system administrator has set up the hardware and system software correctly. Which two statements about CLUVFY are true? (Choose two.)
A) You have to install CLUVFY on all cluster nodes in order to use CLUVFY on other nodes than the one from which you perform the installation.
B) After the Oracle Clusterware installation, you can run CLUVFY from the Oracle Home that holds the CRS binaries.
C) CLUVFY cannot be used until the Oracle Clusterware is installed successfully.
D) You can run CLUVFY only from a privileged operating system account.
E) You can run CLUVFY directly from the Oracle Clusterware distribution media.
F) To use CLUVFY during the Oracle Clusterware installation, you have to download CLUVFY from the Oracle Technology Network (OTN) Web site and install it before you can use it.
5. You are implementing a three-node RAC setup in your company. You have already performed these tasks:
1) Hardware and OS configuration 2) Cluster file system installation 3) Clusterware installation You executed the following command in one of the nodes: cluvfy stage -pre dbinst -n all
What is the reason for executing this command?
A) to check for the existence of Oracle database software installation files in the /stage directory on all the nodes
B) to check whether the dbinst directory is available on all the nodes
C) to check if the ORACLEJHOME environmental variable is set to a correct value or not before the database installation
D) to check for node connectivity and Clusterware integrity
Solutions:
| Question # 1 Answer: A,B,D | Question # 2 Answer: F | Question # 3 Answer: A,B,C | Question # 4 Answer: B,E | Question # 5 Answer: D |
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