(多选题)如下选项中的配置，哪些属于二层ACL? Arule 10 permit 12-protacol arp Brule 25 permit source 192.168.1.1 0.0.0.0 Crule 20 permit source-mac 0203-0405-0607 Drule 15 permit vlan-id 100
参考答案：ACD
