An administrator is planning an upgrade of a major software package on an application server.The software has been tested successfully in a test environment and it is ready to go into production.<br /> Which of the following steps should the administrator take next?()<p> An administrator is planning an upgrade of a major software package on an application server.The software has been tested successfully in a test environment and it is ready to go into production.<br /> Which of the following steps should the administrator take next?()</p>
A、A. Identify necessary operating system updates
B、B. Implement the change
C、C. Document the change
D、D. Schedule system down time