In which two cases would you perform only consistent backup？（）

A. You are working on a database where downtime is not tolerated.

B. You are working on a database where downtime can be tolerated.

C. You are working on a database that operates in ARCHIVELOG mode.

D. You are working on a database that operates in NOARCHIVELOG mode.

E. You are working on a database where all the tablespaces are locally managed.

F. You are working on a database where control files and redo log files are multiplexed.

G. You are working on a database where control files and redo log files are not multiplexed.