【单项选择题】
The following output occurs on Router R1. Which of the following cannot be determine d from this output?（）<br /> R1# show ip route 180.1.1.0 255.255.255.240<br /> Routing entry for 180.1.1.0/28<br /> Known via "bgp 2", distance 20, metric 0<br /> Tag 3, type external<br /> Last update from 192.168.1.2 00:10:27 ago<br /> Routing Descriptor Blocks:<br /> * 192.168.1.2, from 19 2.168.1.2, 00:10:27 ago<br /> Route metric is 0, traffic share count is 1<br /> AS Hops 2<br /> Route tag 3<p> The following output occurs on Router R1. Which of the following cannot be determine d from this output?（）<br /> R1# show ip route 180.1.1.0 255.255.255.240<br /> Routing entry for 180.1.1.0/28<br /> Known via "bgp 2", distance 20, metric 0<br /> Tag 3, type external<br /> Last update from 192.168.1.2 00:10:27 ago<br /> Routing Descriptor Blocks:<br /> * 192.168.1.2, from 19 2.168.1.2, 00:10:27 ago<br /> Route metric is 0, traffic share count is 1<br /> AS Hops 2<br /> Route tag 3</p>
A、A. The type of BGP peer (iBGP or eBGP) that advertised this route to R1
B、B. R1's ASN
C、C. The next - hop router's ASN
D、D. The AS_Path length
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