Yourtnsnames.orafilehasthefollowingentryfortheservicealiasORCL：ORCL=（DESCRIPTION=（ADDRESS=（PROTOCOL=TCP）（HOST=10.156.24.216）（PORT=1521））（CONNECT_DATA=（SERVER=DEDICATED）（SERVICE_NAME=orcl.oracle.com）））TheTNSPINGcommandexecutessuccessfullywhentestedwithORCLbutyouarenotabletoconnecttothedatabaseinstancewiththefollowingcommand：SQLCONNECTscott/tiger@orclWhatcouldbethereasonforthis？（）A.Thelistenerisnotrunningattheserver.B.TheTNS_ADMINenvironmentalvariableissettoawrongvalue.C.Theorcl.oracle.comdatabaseserviceisnotregisteredwiththelistener.D.TheDEFAULT_DOMAINparameterissettoawrongvalueintheSQLNET.ORAfile.
Yourtnsnames.orafilehasthefollowingentryfortheservicealiasORCL：ORCL=（DESCRIPTION=（ADDRESS=（PROTOCOL=TCP）（HOST=10.156.24.216）（PORT=1521））（CONNECT_DATA=（SERVER=DEDICATED）（SERVICE_NAME=orcl.oracle.com）））TheTNSPINGcommandexecutessuccessfullywhentestedwithORCLbutyouarenotabletoconnecttothedatabaseinstancewiththefollowingcommand：SQL>CONNECTscott/tiger@orclWhatcouldbethereasonforthis？（）
A.Thelistenerisnotrunningattheserver.
B.TheTNS_ADMINenvironmentalvariableissettoawrongvalue.
C.Theorcl.oracle.comdatabaseserviceisnotregisteredwiththelistener.
D.TheDEFAULT_DOMAINparameterissettoawrongvalueintheSQLNET.ORAfile.
相关考题：
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ExaminetheCREATEDISKGROUPcommandusedtocreateadiskgroup：SQLCREATEDISKGROUPmiscEXTERNALREDUNDANCYDISK’ORCL：FRA3’NAMEmisc1，’ORCL：FRA4’NAMEmisc2；Inwhichsituationwouldyouusethismethodofdiskgroupcreation？（）A.Whentwo-waydiskmirroringisrequiredfortheallocationunitsB.Whenthree-waydiskmirroringisrequiredfortheallocationunitsC.WhenusinghardwaremirroringorRAIDD.WhendiskmirroringisrequiredfortheAutomaticStorageManagement（ASM）disks
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Yourdatabaseisnotconfiguredforsessionfailover.Yourtnsnames.orafilecontainsthefollowingdetails：test.us.oracle.com=（DESCRIPTION=（ADDRESS_LIST=（LOAD_BALANCE=off）（FAILOVER=ON）（ADDRESS=（PROTOCOL=tcp）（HOST=test1-server）（PORT=1521））（ADDRESS=（PROTOCOL=tcp）（HOST=test2-server）（PORT=1521）））（CONNECT_DATA=（SERVICE_NAME=test.us.oracle.com）））Whichfeatureisenabledinthiscase？（）A.LoadbalancingB.InstancefailoverC.DatabasefailoverD.Connect-timefailoverE.TransparentApplicationFailover（TAF）
Youexecutedthefollowingcommandstofindthelocationofthealertlogfile:Whereisthealertlogfilestored() A.intheBACKGROUND_DUMP_DESTlocation；intextformatB.intheBACKGROUND_DUMP_DESTlocation；inXMLformatC.intheBACKGROUND_DUMP_DESTlocation；inbothtextandXMLformatD.intheDIAGNOSTIC_DEST/diag/rdbms/orcl/orcl/alertdirectory；intextformatE.intheDIAGNOSTIC_DEST/diag/rdbms/orcl/orcl/alertdirectory；inXMLformatF.intheDIAGNOSTIC_DEST/diag/rdbms/orcl/orcl/alertdirectory；inbothtextandXMLformat
Youexecutedthefollowingcommand:RMANRECOVERCOPYOFDATAFILE’／u01／app／oracle／oradata／orcl／users01.dbf’;Whichstatementregardingtheabovecommandiscorrect?() A.The’/u01/app/oracle/oradata/orcl/users01.dbf’datafileisrecoveredfromtheimagecopy.B.The’/u01/app/oracle/oradata/orcl/users01.dbf’datafileisrecoveredfromthelastincrementalbackup.C.Imagecopiesofthe’/u01/app/oracle/oradata/orcl/users01.dbf’datafileareupdatedwithallchangesuptoincrementalbackupSCN.D.Imagecopiesofthe’/u01/app/oracle/oradata/orcl/users01.dbf’datafilearerecoveredusingtheabovecommandifdatafilerecoveryfails.
如下是某个tnsnames.ora里面的配置, 其中service_name的值与 listener.ora文件中哪个参数的值相对应? db.example.com= (description= (load_balance=on) (address=(protocol=tcp)(host=node1-vip)(port=1521) (address=(protocol=tcp)(host=node2-vip)(port=1521) (connect_data= (service_name=db.example.com)))()A. SID_NAMEB. INSTANCE_NAMEC. GLOBAL_NAMESD. GLOBAL_DBNAME
YouneedtodesignthestorageoftheapplicationtextsforUIelementstofulfilltherequirements.Whichtableandcolumndesignshouldyouuse?() A.Languages(LanguageID,Name)Elements(ElementID,Description)ElementLanguages(ElementID,LanguageID,Text)B.Languages(LanguageID,Name)Elements(ElementID,LanguageID,Description,Text)C.Languages(LanguageID,Name)ElementTexts(LanguageID,Text)ElementDescriptions(ElementID,Description)D.Languages(LanguageID,Name)Elements(ElementID,Description,Text)
YouhavejustrunthissyntaxtostartthelistenerfromtheListenerControlutility：LSNRCTLSTARTStarting/mstgelai/oracle/bin/tnslsnr：pleasewait…Systemparameterfileis/u01/oracle/network/admin/listener.oraLogmessageswrittento/u01/oracle/network/log/listener.logListeningon：（DESCRIPTION=（ADDRESS=（PROTOCOL=tcp）（HOST=stc-sun01-server）（PORT=1521）））Connectingto…ThecommandcompletedsuccessfullyWhatisthenameoftheListeneryoustarted？（）A.TNSLSNRB.LISTENERC.LOCAL_LISTENERD.DEFAULT_LSRN