单项选择题
A. It lists a set of path attributes, along with a list of prefixes that use those PAs
B. It lists a prefix/length, plus the PA settings for that prefix
C. It lists withdrawn routes, but never in the same Update message as newly advertised routes
D. A single Update message lists at most a single prefix/lengtH
多项选择题 The following output was taken from the show ip bgp command on Router R2. In this case, which of the following commands are most likely to already be configured on R2?（） BGP router identifier 11.11.11.11, local AS number 11 ... Neighbor V AS Ms gRcvd MsgSent TblVer InQ OutQ Up/Down State/PfxRcd 1.1.1.1 4 1 87 87 0 0 0 00:00:06 Idle (Admin) 2.2.2.2 4 3 173 183 41 0 0 00:58:47
单项选择题 The following output, taken from a show ip bgp command on Router R1, lists two neighbors. In what BGP neighbor state is neighbor 1.1.1.1?（） Neighbor V AS MsgRcvd MsgSent TblVer InQ OutQ Up/Down State/PfxRcd 1.1.1.1 4 1 60 61 26 0 0 00:45:01 0 2.2.2.2 4 3 153 159 26 0 0 00:38:13 1
单项选择题 Enterprise Router R1, in ASN 1, connects to ISP Router I1, ASN 2, using eBGP. There are two parallel serial links between the two rou ters. The implementation plan calls for each router to base their BGP TCP connection on their respective loopback1 interfaces, with IP addresses 1.1.1.1 and 2.2.2.2, respectively. Which of the following commands would not be part of a working eBGP confi guration on Router R1?（）