What is the maximum number of ARCn processes that can be defined using the initialization parameter LOG_ARCHIVE_MAX_PROCESSES？（）

单项选择题Whichbackgroundprocessisresponsibleforwritingthedirtybuffersfromthewritelisttothedatafilesduringacheckpoint？（）

A.CKPT
B.SMON
C.LGWR
D.DBWn
E.ARCn

单项选择题WhichofthefollowingstatementisincorrectregardingRMAN？（）

A.It detects corrupt blocks.
B.It performs only offline database backups.
C.It omits empty blocks during backups.
D.It performs tablespace point-in-time recovery （TSPITR）.

单项选择题Whichofthefollowingfilescanbeusedtoconfigureconnectionpoolinginthesharedserverenvironment？（）

A.INIT.ORA
B.SQLNET.ORA
C.TNSNAMES.ORA
D.SERVICES.ORA
E.LISTENER.ORA

单项选择题ConnectionManagerfeaturescannotbeusedwithwhichofthefollowingnamingmethod？（）

A.Oracle names
B.Local Naming
C.Host Naming
D.Names Server

单项选择题TheOracleNetarchitectureisbasedonwhichofthefollowing？（）

A.OCI
B.OSI
C.TCP/IP
D.SNMP