单项选择题

AtechnicianistroubleshootingalackofInternetconnectivityaffectingtheirentireoffice.The techniciansuspectstheissueiswiththeirInternetServiceProviderfailingtoprovideservice.WhichofthefollowingcommandlinetoolsshouldthetechnicianusetoBESTtestthistheory？（）
A.tracert
B.ipconfig
C.netstat
D.nslookup

A.The
B.WhichofthefollowingcommandlinetoolsshouldthetechnicianusetoBESTtestthistheory？（）
A.tracert
C.ipconfig
D.netstat
E.nslookup

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单项选择题

Atechnicianworksforacompanythathasrecentlybeenaffectedbyavirus.Thevirusenteredthe networkbyusingport6000.Port6000isusedbyanapplicationlocatedonaserver.The technicianhasbeenaskedtoblockthisportonallserversandcomputersexceptfortheone serverwhichusesthisport.Whichofthefollowingshouldthetechniciando？（）
A.Updatetheantivirusapplication
B.Installcriticalupdatesecuritypatches
C.Adjustthesoftwarefirewallsettings
D.Replacethecurrentantivirusprogram

A.Thevirusenteredthe
B.Port6000isusedbyanapplicationlocatedonaserver.The
C.Whichofthefollowingshouldthetechniciando？（）
A.Updatetheantivirusapplication
D.Installcriticalupdatesecuritypatches
E.Adjustthesoftwarefirewallsettings
F.Replacethecurrentantivirusprogram

单项选择题

Atechnicianmanagesaserverthatcontainssensitivedata.Theservercurrentlyhastwohard drives，onehostingtheoperatingsystemandothergenericfilesandthesecondhostingsensitive data.Thetechnicianneedstoimplementatechnologythatwouldguardagainstdatalossforonly thesensitivedata，whileaddingonlyoneadditionalharddrive.Whichofthefollowingshouldthe technicianimplementtoavoidreformattinganydrives？（）
A.RAID0
B.RAID1
C.RAID3
D.RAID5

A.Theservercurrentlyhastwohard
B.Thetechnicianneedstoimplementatechnologythatwouldguardagainstdatalossforonly
C.Whichofthefollowingshouldthe
D.RAID0
E.RAID1
F.RAID3
G.RAID5