You are maintaining the database of a company. The listener process， listener1， is configured for remote access. You have issued the following command：  
LSNRCTL>STATUS listener1  
Which information will NOT be displayed when you issue the above command？（） 

多项选择题YouarerequiredtoremovethedefaultEXTPROCentryfromthedefaultlistenerconfigurationtocreatealistenerthatwilllistenspecificallyforEXTPROCcalls.WhichtwomethodscanyouusetoremovethedefaultEXTPROCentryfromthedefaultlistenerconfiguration？（）

A. the RMAN utility
B. the import/export utility
C. the Oracle Enterprise Manager
D. the change tracking feature
E. the Net Manager utility

单项选择题You executed the following procedure to collect statistics regarding an index：       SQL>ANALYZE INDEX EMP_ID VALIDATE STRUCTURE；   Which view will you use to determine whether you need to rebuild the index or not？（）

A. INDEX_STATS
B. DBA_INDEXES
C. DBA_IND_COLUMNS
D. V$OBJECT_USAGE

单项选择题Theonlineredologgroupconfigurationforyourdatabaseisasfollows：Whatwillhappeniftheonlineredologfile’ora02 oradata redo02b.log’iscorruptedwhileworkingonthedatabase？（）

A. The database will hang.
B. The database will be crashed.
C. The database will be shut down.
D. The LGWR process writes redo log entries to the other redo log member of the Group2 group

单项选择题Youaremaintainingadatabaseofcreditcardtransactions.YouwantthedatatobereturnedautomaticallyinthechronologicalorderofthecreditcardnumberswithoutusingtheORDERBYclauseinthequery.Whichtypeofclusterwillyouusetoobtainthedesiredresult？（）

A. Hash cluster
B. Index cluster
C. Sorted hash cluster
D. Real Application cluster

单项选择题YouwanttoestimatethesizeofatablebyusingtheOracleEnterpriseManager.OnwhichdataisthesizeofthetableNOTbased？（）

A. column sizes
B. column data types
C. PCTFREE
D. projected number of row
E. PCTUSED