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You created a Database as a Service (DBaaS) instance. This action also created a virtual machine and configured it for the DBaaS instance. It also created two user accounts. One of the users is oracle. What three functions can the oracleuser perform?
Correct Answer: A,B,C
Explanation/Reference: oracle is the Oracle Database administrator account you use to access the system and perform non-root database administration tasks. A home directory, /home/oracle, is created for this user. This user cannot use the sudo command to perform operations that require root-user access. Additionally, by default you cannot connect as this user to the compute node using SSH. You can add the public key to the user's $HOME/.ssh/authorized_keys file to grant persistent SSH access, or you can connect as the opc user and then use the sudo -s command to start a root-user command shell, followed by an su - oracle command to switch to the oracle user. Incorrect Answers: F: root is the root administrator for the system. You do not have direct access to this account. To perform operations that require root-user access, use the sudo command as the opc, not the oracle, user. References: https://docs.oracle.com/en/cloud/paas/database-dbaas-cloud/csdbi/linux-user-accounts- rac.html http://www.oracle.com/webfolder/technetwork/tutorials/obe/cloud/dbaas/ obe_dbaas_administering_your_database_cloud_service/ obe_dbaas_administering_your_database_cloud_service.html
