OSI is a theoretical model that shows how any two different systems can communicate with each other. Router, as a networking device, operate at the ______ layer of the OSI model.
A.transport
B.application
C.network
D.physical
第1题:
A. contact
B. connect
C. communication
D. communicate
第2题:
下列语句中错误的是
A.String S[]={"how","are"};
B.byte b=255;
C.String s="one"+"two";
D.int i=2+2000;
第3题:
AcustomerhastenRS/6000ModelM80,twopSeries690Model681,fivePOWER5510andtwoPOWER6560machinesinstalledandrunningcommercialapplications.TheywanttodoaserverconsolidationstudyinordertoreplacetheexistingsystemswithPOWER7systems.Whatperformancemetricisrecommendedwhenevaluatingthereplacementsystem?()
A.IBMCPW
B.IBMrPerf
C.SPECint_rate2006
D.IDEASInternationalRPE2
第4题:
A.shows...progresses
B.show...progresses
C.show...progress
D.shows...progress
第5题:
A.Adesk,asitnotrackmountable
B.EthernetconnectionstothePOWER5systems
C.SerialconnectionstothePOWER5systems
D.USBconnectionsforthekeyboardandmouse
第6题:
【C6】
A.punishes
B.defeats
C.tells
D.shows