YourcompanyhasamainofficeandfivebranchofficesthatareconnectedbyWANlinks.ThecompanyhasanActiveDirectorydomainnamedcontoso.com.EachbranchofficehasamemberserverconfiguredasaDNSserver.AllbranchofficeDNSservershostasecondaryzoneforcontoso.com.Youneedtoconfigurethecontoso.comzonetoresolveclientqueriesforatleastfourdaysintheeventthataWANlinkfails.Whatshouldyoudo（）A.ConfiguretheExpiresafteroptionforthecontoso.comzoneto4days.B.ConfiguretheRetryintervaloptionforthecontoso.comzoneto4days.C.ConfiguretheRefreshintervaloptionforthecontoso.comzoneto4days.D.ConfiguretheMinimum（default）TTLoptionforthecontoso.comzoneto4days.
YourcompanyhasamainofficeandfivebranchofficesthatareconnectedbyWANlinks.ThecompanyhasanActiveDirectorydomainnamedcontoso.com.EachbranchofficehasamemberserverconfiguredasaDNSserver.AllbranchofficeDNSservershostasecondaryzoneforcontoso.com.Youneedtoconfigurethecontoso.comzonetoresolveclientqueriesforatleastfourdaysintheeventthataWANlinkfails.Whatshouldyoudo（）
A.ConfiguretheExpiresafteroptionforthecontoso.comzoneto4days.
B.ConfiguretheRetryintervaloptionforthecontoso.comzoneto4days.
C.ConfiguretheRefreshintervaloptionforthecontoso.comzoneto4days.
D.ConfiguretheMinimum（default）TTLoptionforthecontoso.comzoneto4days.
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