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48.While startingyour database, you receive anerror statingthatthe database cannotidentify one of the redo
logfilesinit.Atwhichstagewillyoureceive thiserror?
A.whenthedatabasechangesfromtheMOUNTtotheOPENstate
B.whenthedatabasechangesfromthe
NOMOUNTtotheMOUNTstate
C.whenthedatabasechangesfromtheSHUTDOWNtotheMOUNTstate
D.whenthefirsttransactionendsandthechangestothedatabasemustbewrittentotheredologfiles
49.Whiletryingtoconnecttothedatabaseyoureceivethefollowingerror:
ORA
‐12514:TNS:listenerdoesnotcurrentlyknowofservicerequestedinconnectdescriptor
Whichtwoconditionscouldthisindicate?(Choosetwo.)
A.Thedatabaseisnotopen.
B.Thedatabaseserviceisnotdynamicallyregisteredwiththelistener.
C.Thedatabaseservicenameisnotconfiguredinthelistener.orafile.
D.
TheusertryingtoconnecttothedatabasedoesnothavetheSYSDBAprivilege.
E.Thelistenerisnotrunningonthedatabasespecifiedintheconnectdescriptor.
50.Yourdatabasewentdownabnormallybecauseofpowerfailure.Youcouldnotperformacleanshutdownon
thedatabase.Afterthis,you
startthedatabasebyrunningtheSTARTUPcommand.
Whichstatementsaretrueregardingthisscenario?(Chooseallthatapply.)
A.Therecoveryiscoordinatedbytheprocessmonitor.
B.Theuncommittedchangesarerolledbackfromthedatabase.
C.Thecommittedchangesinthedatabasearewrittentothedatafiles.
D.Theinformationrequiredforrecoveryisderivedfromthealertlogfile.
E.Thelostchangesinthedatabasearerecoveredbyperformingamediarecovery.
51. You must query the EMP table owned by the user SCOTT. You do not have the Oracle client software
installed on your computer.
You want to invoke iSQL*Plus and query the EMP table. The host name of the
database server is UNS. The IP address of the database server is 172.17.24.77. You are using the default port
numbertoaccessiSQL*Plus.WhichtwoURLswillinvokeiSQL*PlusfromtheWebbrowserofyour
computer?
(Choosetwo.)
A.http://uns:5560/isqlplus
B.http://uns:5550/isqlplus
C.http://uns/isqlplus:5560
D.http://172.17.24.77:5560/isqlplus
E.http://172.17.24.77/isqlplus:5550
52.Yourdatabaseabortedwhileyouwereperformingdatabasebackupsbyplacingthetablespacesintheonline
backup mode. The tablespaces continued to be in the online backup mode when your database aborted. You
issuedthefollowingcommand
tostartupthedatabaseaftertheinstancecrash.
SQL>STARTUP;
Whichstatementistrueinthegivenscenario?
A.Instancerecoveryshouldbeperformedtorecoverthedatabase.
B.Theundosegmentsrecoverthetablespacesthatwereinthebackupmode.
C.Thearchiveredologfilesinthe
databasecannotbeusedtoperformrecoveriesaftertheinstancerecovery.
D.Nothingmustbedonebecausethedatabasewillopensuccessfullyonitsown.
53.Your Oracleserver hasa set of four databases. You want tomonitor the startup and shutdown timesofthe
ORCL Oracle database. Assuming you
have not modified the default file name, which file will you view to