Which of the following files can be used to configure connection pooling in the shared server environment？（）

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

单项选择题Whichofthefollowingfileshouldbeconfiguredfordynamicserviceregistration？（）

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

单项选择题Whichofthefollowingarchitecturesisusedtosupporttheagentortheapplicationtier？（）

A.Simple
B.Two-tier
C.N-tier
D.Client-server

单项选择题You just completed a manual open database backup. However there seems to be a problem with the database performance. You discover that the database is generating many log switches and the LGWR is consuming lots of CPU time. You have an idea of what the problem is and you begin looking at the information in V$BACKUP and in V$DATAFILE_HEADER. What do you suspect is the problem？（）

A.A
B.B
C.C
D.D