网络工程师考试题库

ExamAQUESTION1Yourcompanyhasasingleactivedirectoryforestthathasanactivedirectorydomainnamedna.contoso.comzone.youhaveenabledDNSscavengingonServer1.Threeweekslater,younoticethatthestaleresourcerecordsremaininna.contoso.com.Youneedtoensurethatthestaleresourcerecordsareremovedfromna.contoso.com.Whatshouldyoudo?A.StopandrestarttheDNSserviceonServer1.B.EnableDNSscavengingonthena.contoso.comzone.C.RunthednscmdServer1/AgeAllRecordscommandonServer1.D.RunthednscmdServer1/StartScavengingcommandonServer1.Answer:BSection:(none)Explanation/Reference:QUESTION2YourcompanyhasanActiveDirectorydomainnamedad.contoso.comThecompanyalsohasapublicnamespacenamedcontoso.com.YouneedtoensurethatpublicDNSzonerecordscannotbecopied.YoumustachievethisgoalwithoutimpactingthefunctionalityofpublicDNSnameresolutions.Whatshouldyoudo?A.Disablethenotifyfeatureforthecontoso.comzone.B.DisabletheAllow-ReadpermissionfortheEveryonegrouponthecontoso.comDNSdomain.C.ConfiguretheAlldomaincontrollersinthedomainzonereplicationoptiononad.contoso.com.D.ConfiguretheAllowzonetransfersonlytoserverslistedontheNameServersoptiononcontoso.comAnswer:DSection:(none)Explanation/Reference:QUESTION3Yourcompanyhasamainofficeandabranchoffice.ThemainofficehasadomaincontrollernamedDC1thathostsaDNSprimaryzone.ThebrancofficehasaDNSservernamedSRV1thathostsaDNSsecondaryZone.AllclientcomputersareconfiguredtousetheirlocalserverforDNSresolution.YouchangetheIPaddressofanexistingservernamedSRV2inthemainoffice.YouneedtoensurethatSRV1reflectsthechangeimmediately.Whatshouldyoudo?A.RestarttheDNSserverserviceonDC1B.Runthednscmdcommandbyusingthe/zonerefreshoptiononDC1.C.Runthednscmdcommandbyusingthe/zonerefreshoptiononSRV1.D.Settherefreshintervalto10minutesontheStartOfAuthority(SOA)record.Answer:CSection:(none)Explanation/Reference:QUESTION4YourcompanyhasanActiveDirectorydomain.Thecompanyhasamainofficeandabranchoffice.BoththeofficeshavedomaincontrollersthatrunActiveDirectory-integratedDNSzones.AllclientcomputersareconfiguredtousethelocaldomaincontrollersforDNSresolution.ThedomaincontrollersatthebranchofficelocationareconfiguredasRead-OnlyDomainControllers(RODC).YouchangetheIPaddressofanexisitingservernamedSRV2inthemainoffice.YouneedthebranchofficeDNSserverstoreflectthechangeimmediately.Whatshouldyoudo?A.Runthednscmd/ZoneUpdateFromDscommandonthebranchofficeservers.B.Runthednscmd/ZoneUpdateFromDscommandonadomaincontrollerinthemainoffice.C.ChangethedomaincontrollersatthebranchofficesfromRODCstostandarddomaincontrollers.D.DecreasetheMinimum(default)TTLoptionto15minutesontheStartofAuthority(SOA)recordforthezone.Answer:ASection:(none)Explanation/Reference:QUESTION5YourcompanyhasaservernamedServer1thatrunsWindowsServer2008.Server1runstheDHCPserverroleandtheDNSserverrole.YoualsohaveaservernamedServerCorethatrunsaServerCoreinstallationofWindowsServer2008.AllcomputersareconfiguredtouseonlyServer1forDNSresolution.TheIPaddressofServer1is192.168.0.1.ThenetworkinterfaceonallthecomputersisnamedLAN.Server1istemporarilyoffice.AnewDNSservernamedServer2hasbeenconfiguredtousetheIPaddress192.168.0.254.YouneedtoconfigureServerCoretouseServer2asthepreferredDNSserver.Whatshouldyoudo?A.Runthenetshinterfaceipv4adddnsserverLANstatic192.168.0.254index=1commandB.Runthenetshinterfaceipv4setdnsserverLANstatic192.168.0.254192.168.0.1bothcommandC.Runthenetshinterffaceipv4setdnsserverLANstatic192.168.0.254primarycommandandthenetshinterfaceipv4setdnsserverLANstatic192.168.0.1bothcommand.D.Runthenetshinterfaceipv4setdnsserverLANstatic192.168.0.254primarycommandandthenetshinterfaceipv4adddnsserverLANstatic192.168.0.1index=1commandAnswer:ASection:(none)Explanation/Reference:QUESTION6YourcompanyhasadomaincontrollernamedServer1thatrunsWindowsServer2008andtheDNSserverrole.AservernamedServer2runsacustomapplication.YouneedtoconfigureDNStoincludethefollowingparametersforthecustomapplication:ServicePriorityWeightProtocolPortNumberHostofferingthisserviceWhichrecordshouldyoucreate?A.HostInfo(HINFO)B.ServiceLocator(SRV)C.CanonicalName(CNAME)D.Well-KnownService(WKS)Answer:BSection:(none)Explanation/Reference:QUESTION7Yourcompanyhasamainofficeandtwobranchoffices.DomaincontrollersinthemainofficehostanActiveDirectory-Integratedzone.TheDNSserversinthebranchofficeshostasecondaryzoneforthedomainandusethemainofficeDNSserversastheDNSMasterserversforthezone.Eachbranchofficehasanapplicationserver.Usersaccesstheapplicationserverbyusingitsfullyqualifieddomainname.YouneedtoensurethatusersinthebranchofficescanaccesstheirlocalapplicationservereveniftheWANlinksaredownforthreedays.Whatshouldyoudo?A.IncreasetheExpiresAftersettingto4daysontheStartofAuthority(SOA)recordforthezone.B.Increasetherefreshintervalsettingo4daysontheStartofAuthority(SOA)recordforthezone.C.ConfiguretheZoneAging/ScavengingPropertiesdialogboxtoenableScavengeStateresourcerecords,andsettherefreshsettingto4days.D.ConfiguretheZoneAging/ScavengingPropertiesdialogboxtoenableScavengeStaleresourcerecords,andsettheNo-refreshintervalsettingto4days.Answer:ASection:(none)Explanation/Reference:Q