Which three things does oracle-edbms-server-11gR2-preinstall RPM package do to simplify
the installation of Oracle Database on Oracle Linux 6 systems?
A.
Checks whether all packages are installed to support RDBMS and then calls the Oracle
Universal Installer utility to install RDBMS and then calls the Oracle Universal Installer utility
to install RDBMS
B.
Modifies and sets kernel parameters in /etc/sysctl.conf and sets shell resource limits in
/etc/security/limits.conf based on the Oracle Database Server installation requirements
C.
Creates the Oracle user and the oinstall and dba groups, which are the default user and
groups used during Oracle database installation
D.
Downloads and installs various software packages and specific versions needed for
Oracle database installation
E.
Downloads and installs packages required for Oracle Database installation, runs the
runInstaller utility to install the database, and then starts the database
In order to install the Oracle Database 11g R2 on Oracle Linux 6, your system
needs to meet a few prerequisites, as outlined in the Linux Installation Guides. Using the Oracle
RDBMS Server 11gR2 Pre-install RPM, you can complete most of the pre-installation
configuration tasks.
The package:
* (D)Causes the download and installation of various software packages and specific versions
needed for database installation, with package dependencies resolved via yum
* (C)Creates the user oracle and the groups oinstall and dba, which are the defaults used during
database installation
* (B)Modifies kernel parameters in /etc/sysctl.conf to change settings for shared memory,
semaphores, the maximum number of file descriptors, and so on
* (B)Sets hard and soft shell resource limits in /etc/security/limits.conf, such as the number of open
files, the number of processes, and stack size to the minimum required based on the Oracle
Database 11g Release 2 Server installation requirements
*Sets numa=off in the kernel boot parameters for x86_64 machines