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单项选择题packagefoo；publicclassOuter（publicstaticclassInner（））Whichstatementistrue？（）

A.AninstanceoftheInnerclasscanbeconstructedwith“newOuter.Inner（）”
B.Aninstanceoftheinnerclasscannotbeconstructedoutsideofpackagefoo.
C.Aninstanceoftheinnerclasscanonlybeconstructedfromwithintheouterclass.
D.Fromwithinthepackagebar，aninstanceoftheinnerclasscanbeconstructedwith“newinner（）”

单项选择题Whilerunninglongrunningqueries，youreceivetheSnapshottooolderror.WhichadvisorcanhelpyoutoavoidtheSnapshottooolderror？（）

A.MemoryAdvisor
B.SegmentAdvisor
C.UndoAdvisor
D.SQLTuningAdvisor

单项选择题YourSPFILEcontainsthefollowingparametersettings：SGA_TARGET=8GDB_CACHE_SIZE=4GSHARED_POOL_SIZE=2GLARGE_POOL_SIZE=512MJAVA_POOL_SIZE=512MLOG_BUFFER=100MSGA_MAX_SIZE=10GYouquerytheV$SGA_DYNAMIC_COMPONENTSdynamicperformanceviewanddiscoverthatthelargepoolcomponentiscurrentlysizedat1G.YouwantthevalueoftheSGA_TARGETinitializationparameterto10G，butinsteadofspecifyingavalueof10GfortheSGA_TARGETinitializationparameter，youerroneouslyexecutethefollowingstatement：SQL>ALTERSYSTEMSETSGA_TARGET=0SCOPE=BOTH；Whatistheresultofthisstatement？（）

A.YouwantthevalueoftheSGA_TARGETinitializationparameterto10G，butinsteadofspecifyingavalueof10GfortheSGA_TARGETinitializationparameter，youerroneouslyexecutethefollowingstatement：

单项选择题WhatwillbetheendresultofthissetofRMANcommands？（）shutdownabortstartupmountrestoredatafile4untiltime，，09／30／2008：15：00：00；recoverdatafile4untiltime，，09／29／2008：15：00：00；alterdatabaseopenresetlogs；

A.Datafile4willberecovereduntil9/30/2008at15：00andthedatabasewillopen.
B.Therestorecommandwillfail.
C.Therecovercommandwillfail.
D.Thealterdatabaseopenresetlogscommandwillfail.
E.Allthesecommandswillfailbecausetheymustbeintheconfinesofarunblock.

单项选择题Considertherecoverystepsineachofthecases&e

A.
B.
C.
D.
E.
F.
G.
H.
I.
J.
K.
L.
M.

单项选择题专线业务不包括()

A.传输电路出租
B.互联网专线
C.语音专线
D.集团短信

单项选择题11g的调制方式是什么？（）

A.CCK/DSSS
B.OFDM
C.CCK/OFDM
D.MIMO/OFDM

单项选择题InFrameRelay，FECNmessagesindicatingcongestionaresentorreceivedbywhichoffollowing？（）

A.Sentbythedestination
B.Receivedbythesender
C.Receivedbythedestination
D.Sentbythesender

单项选择题Inaframe，theMPLSlabelisimposed（）.

A.AftertheLayer3headerandbeforeLayer2header
B.AftertheLayer2headerandbeforeLayer3header
C.WithintheLayer3header
D.Beforethelayer2header

单项选择题BGPbestrouteselectionprocessisbasedonpathattributes.（）

A.True
B.False