单项选择题
A.ip sla 1 icmp-echo 1.1.1.1 tos 12 B.ip sla 1 icmp-echo 1.1.1.1 tos 96 C.ip sla 1 icmp-echo 1.1.1.1 precedence 3 D.ip sla 1 icmp-echo 1.1.1.1 dscp 12
A.ip sla monitor low-memory B.ip sla group schedule C.ip sla reaction-trigger D.ip sla enable timestamp
A. 172.30.1.0/24 and 10.1.2.0/24;EIGRP only performs autosummarization at the edge between two major networks. B. 172.30.0.0/16 and 10.1.2.0/24;R2 will perform autosummarization although R1 will not. C. Since R2 is configured without autosummarization, it will not propagate the 172.30.1.0/24 route. D. 172.30.0.0/8 and 10.0.0.0/8.