Q30. Which three actions are performed by Oracle Preinstallation RPM, oracle-database-server-xxxx-preinstall, for Oracle Grid Infrastructure, where xxxx is the Oracle version and release?
- A. creating the oraInventory (oinstall) group
- B. creating the OSDBA (dba) group
- C. configuring the OS for Oracle Automatic Storage Management shared storage access
- D. performing checks to ensure minimum configuration requirements for Oracle Grid Infrastructure are met
- E. creating the grid OS user
- F. creating the oracle OS user
Answer: ABF
When installed, the Oracle Database Preinstallation RPM does the following:
-Automatically downloads and installs any additional RPM packages needed for installing Oracle Grid Infrastructure and Oracle Database, and resolves any dependencies
-Creates an oracle user, and creates the oraInventory (oinstall) and OSDBA (dba) groups for that user
-As needed, sets sysctl.conf settings, system startup parameters, and driver parameters to values based on recommendations from the Oracle Database Preinstallation RPM program
-Sets hard and soft resource limits
-Sets other recommended parameters, depending on your kernel version
-Sets numa=off in the kernel for Linux x86_64 machines.
https://docs.oracle.com/en/database/oracle/oracle-database/19/ladbi/about-the-oracle-preinstallation-rpm.html