多项选择题
Which of the following is TRUE about a caching name server？（）
A.They must have a trusted SSL certificate
B.They can be authoritative
C.They cannot be load-balanced
D.They can be recursive
E.They require DHCP
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单项选择题
AnewservermustbeconfiguredtoprovidefaulttolerantconnectivitytotheDMZandthebackend database.WhichofthefollowingistheMOSTcosteffectivewaytoaccomplishthis？（）
A.A total of six NICs： two pairs of teamed NICs for the DMZ and two NICs for the backenddatabase.
B.One NIC can be configured with VLANs for the DMZ and backend database.
C.A total of eight NICs to be teamed with the appropriate VLANs configured for the DMZ andbackend database.
D.A total of four NICs： two NICs for the DMZ and two NICs for the backend database. -
多项选择题
WhenpurchasingaUPSforaserverroom，whichofthefollowingareimportantfactorsto consider？（）
A.Network card configuration
B.Remote access procedures
C.Estimated runtime
D.Maximum load
E.Power cord length -
单项选择题
Typically，warrantyinformationcanbefoundonavendor’swebsitebylookingupwhichofthe following？（）
A.Original hardware configuration
B.Service manual
C.Service tag
D.Model number
