单项选择题

YournetworkcontainstwoDHCPservers.TheDHCPserversarenamedDHCP1andDHCP2.The
internalnetworkcontains1，000DHCPclientcomputersthatarelocatedonasinglesubnet.ArouterseparatestheinternalnetworkfromtheInternet.TherouterhasasingleIPaddressontheinternalinterface.DHCP1hasthefollowingscopeinformation.
èStartingIPaddress：172.16.0.1
èEndingIPaddress：172.16.7.255
èSubnetmask：255.255.240.0
Youneedtoprovideafault-tolerantDHCPinfrastructurethatsupportstheclientcomputersontheinternalnetwork.IntheeventthataDHCPserverfails，allclientcomputersmustbeabletoobtainavalidIPaddress.
HowshouldyouconfigureDHCP2？（）

A.TheDHCPserversarenamedDHCP1andDHCP2.The
B.ArouterseparatestheinternalnetworkfromtheInternet.TherouterhasasingleIPaddressontheinternalinterface.DHCP1hasthefollowingscopeinformation.
C.16.0.1
D.16.7.255
E.255.240.0
F.IntheeventthataDHCPserverfails，allclientcomputersmustbeabletoobtainavalidIPaddress.

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单项选择题

YouaremodifyingatablenamedProductinaSQLServer2005database.YouwanttoaddanewcolumnnamedFriendlyNametotheProducttable.Afriendlynameforeachproductwillbestoredinthiscolumn.Thetablecurrentlycontainsdata.The salesdepartmenthasnotyetcreatedafriendlynameforeachproduct.FriendlyNameisarequiredvalueforeachproduct.Youwanttoaddthisnewcolumnbyusingtheleastamountofeffort.Whatshouldyoudo？（）
A.DefinethenewcolumnasNULL.UpdatetheFriendlyNamecolumntothesamevalue astheproductNamecolumn.AltertheFriendlyNamecolumntobeNOTNULL.
B.DefinethenewcolumnasNOTNULLwithadefaultvalueof’Undefined.’
C.DefinethenewcolumnasNULL.Useapplicationlogictoenforcethedataconstraint.
D.DefinethenewcolumnasNULLwithadefaultvalueof’Undefined.’

A.YouwanttoaddanewcolumnnamedFriendlyNametotheProducttable.Afriendlynameforeachproductwillbestoredinthiscolumn.Thetablecurrentlycontainsdata.The
B.FriendlyNameisarequiredvalueforeachproduct.Youwanttoaddthisnewcolumnbyusingtheleastamountofeffort.Whatshouldyoudo？（）
A.DefinethenewcolumnasNULL.UpdatetheFriendlyNamecolumntothesamevalue
C.AltertheFriendlyNamecolumntobeNOTNULL.
D.DefinethenewcolumnasNOTNULLwithadefaultvalueof’Undefined.’
E.DefinethenewcolumnasNULL.Useapplicationlogictoenforcethedataconstraint.
F.DefinethenewcolumnasNULLwithadefaultvalueof’Undefined.’

单项选择题

YourcompanyusesNetworkAccessProtection（NAP）toenforcepoliciesonclientcomputersthatconnecttothenetwork.ClientcomputersrunWindowsVista.AGroupPolicyisusedtoconfigureclientcomputerstoobtainupdatesfromWindowsServerUpdateServices（WSUS）.CompanypolicyrequiresthatupdateslabeledImportantandCriticalmustbeappliedbeforeclientcomputerscanaccessnetworkresources.Youneedtoensurethatclientcomputersmeetthecompanypolicyrequirement.Whatshouldyoudo？（）
A.Enableautomaticupdatesoneachclient.
B.EnabletheSecurityCenteroneachclient.
C.Quarantineclientsthatdonothaveallavailablesecurityupdatesinstalled.
D.Disconnecttheconnectionuntiltherequiredupdatesareinstalled.

A.ClientcomputersrunWindowsVista.AGroupPolicyisusedtoconfigureclientcomputerstoobtainupdatesfromWindowsServerUpdateServices（WSUS）.CompanypolicyrequiresthatupdateslabeledImportantandCriticalmustbeappliedbeforeclientcomputerscanaccessnetworkresources.Youneedtoensurethatclientcomputersmeetthecompanypolicyrequirement.Whatshouldyoudo？（）
A.Enableautomaticupdatesoneachclient.
B.EnabletheSecurityCenteroneachclient.
C.Quarantineclientsthatdonothaveallavailablesecurityupdatesinstalled.
D.Disconnecttheconnectionuntiltherequiredupdatesareinstalled.