Based on the Oracle Database 12c Certified Master Upgrade Exam (visited 2018-05-03 - no longer valid). I rate myself as follows (1=poor to 5=good).
The new version (2020-01-07) is
here
.
According to Oracle Database 12c Certified Master Upgrade Exam , the exam environment is:
- Oracle Linux Release 6.5 64 bit
- Mozilla Browser, Text (emacs, gedit) and vi editors
- Shell environment: bash, csh
- Use either CLI or GUI environment and tools when available
- Oracle Database 12c Enterprise Edition Release 12.1.0.2.0 64 bit
- Oracle Grid Infrastructure 12c Release 1 (12.1.0.2)
- Oracle Enterprise Manager Cloud Control 12c Rel 4
Build diaries for system used exclusively for OCM 12G can be found at
12C OCM System Builds