18.View the Exhibit and identify the component marked with a question mark.
B.Process Monitor (PMON)
C.Archiver Processes (ARCn)
D.Recoverer Process (RECO)
E.Memory Manager process (MMAN)
答案:A
解析:从图中可以看出该进程可以操作控制文件和数据文件,因此是CKPT
18.View the Exhibit and identify the component marked with a question mark.