You decided to use Direct NFS configuration in a non-RAC Oracle installation and created the oranfstab file in /etc. Which two statements are true regarding this oranfstab file? （）
- A Its entries are specific to a single database.
- B It contains file systems that have been mounted by Direct NFS.
- C It is globally available to all Oracle 11g databases on the machine.
- D It contains file systems that have been mounted by the kernel NFS system.