单选题下列高级ACL规则配置正确的有（）。Arule permit ip icmp-type echoBrule permit ip source-port eq 1024Crule permit ip tos normal dscp efDrule permit udp time-range udp
单选题
下列高级ACL规则配置正确的有（）。
A
rule permit ip icmp-type echo
B
rule permit ip source-port eq 1024
C
rule permit ip tos normal dscp ef
D
rule permit udp time-range udp
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