Giventheconfigurationshownintheexhibit，whichconfigurationobjectwouldbeusedtoassociatebothNancyandWalterwithfirewalluserauthenticationwithinasecuritypolicy？（）profileftp-users{clientnancy{firewall-user{password$9$lJ8vLNdVYZUHKMi.PfzFcyrvX7；SECRET-DATA}}clientwalter{firewall-user{password$9$a1UqfTQnApB36pBREKv4aJUk.5QF；SECRET-DATA}}session-options{client-groupftp-group；}}firewall-authentication{pass-through{default-profileftp-users；ftp{banner{loginJUNOSRocks!；}}}}
A.ftp-group
B.ftp-users
C.firewall-user
D.nancyandwalter
参考答案：A
