Giventheconfigurationshownintheexhibit，whichstatementistrueabouttrafficfromhost_atohost_b？（）[editsecuritypoliciesfrom-zoneHRto-zonetrust]user@hostshowpolicytwo{match{source-addresssubnet_a；destination-addresshost_b；application[junos-telnetjunos-ping]；}then{reject；}}policyone{match{source-addresshost_a；destination-addresssubnet_b；applicationany；}then{permit；}}host_aisinsubnet_aandhost_bisinsubnet_b.
A.DNStrafficisdenied.
B.Telnettrafficisdenied.
C.SMTPtrafficisdenied.
D.Pingtrafficispermitted
参考答案：B
