单项选择题
A. router bgp 1
B. neighbor 2.2.2.2 remote- as 2
C. neighbor 2.2.2.2 update - source loopback1
D. neighbor 2.2.2.2 multihop 2
多项选择题 Enterprise Router R1, in ASN 1, connects to ISP Router I1, ASN 2, using eBGP. The single serial link b etween the two routers uses IP addresses 10.1.1.1 and 10.1.1.2, respectively. Both routers use their S0/0 interfaces for this link. Which of the following commands would be needed on R1 to configure eBGP?（）
多项选择题 The following terms describe various design options for Enterprise connectivity to the Internet.Which of the follow ing imply that the Enterprise connects to two or more ISPs？（）
单项选择题 Which of the following is the primary motivation for using BGP between an Enterprise and its ISPs?（）