The three tasks shown have been completed in order to configure a naming method： Task 1： Installed on server and client： Oracle Net Services， TCP/IP， TCP/IP protocol adaptor Task 2： Started default listener on port 1521 Task 3： Added global database name to the listener.ora file. 
Which naming method was configured？（）

单项选择题Thedatabaseisbeingrestoredfromaclosedbackup.Thedatafiles，controlfiles，passwordfile，andparameterfileareavailable，buttheonlineredologsarenot.Becausetheonlineredologsarenotavailable，youmustsimulaterecoveryandalterthedatabaseopenwiththeresetlogsoptionsotheonlineredologsarecreatedwhilethedatabaseopens.Whichtypeofrecoverisusedinthissituation？（）

A.until SCN
B.until time
C.until cancel
D.using backup control file

单项选择题Whichofthefollowingenvironmentvariablesspecifiesanon-defaultlocationforthelistenerconfigurationfile？（）

A.LSN_ADMIN
B.TNS_ADMIN
C.ADMIN_TNS
D.TSN_ADMIN

单项选择题Whichofthefollowingpackagesmaintainsinformationintherecoverycatalog？（）

A.DBMS_RCVMAN
B.DBMS_RMAN
C.DBMS_RCVCAT
D.DBMS_CATPROC

单项选择题WhichoneofthefollowingRMANcommandsisusedtoregisterthedatabasefileswithrepositorythatwerebackedupusingO Scommands？（）

A.CHANGE
B.CATALOG
C.CROSSCHECK
D.SWITCH

单项选择题Whichofthefollowingcommandsmustbeissuedtoremoveastoredscriptfromtherecoverycatalog？（）

A.DELETE SCRIPT
B.ERASE SCRIPT
C.REMOVE SCRIPT
D.UNCATALOG SCRIPT