关于CNAA的精选

1:yourjuniornetworkadministratorwantstoknowwhatthedefaultsubnetmaskisforaclasscipaddress.whatdoyoutellhim?a.]6lb.c.d.e.2:anapplicationneedstohavereliable,end-to-endconnect-ivity.whichofthefollowingpro...