A network is connected to the Internet through a 64kbps wide area link. The customer requires that the bandwidth of this link be used as efficiently as possible.
You should use _______ to connect to the Internet.

If the BGP neighbor is established successfully, the neighbor status checked by the displabgp peer command is ______.

In the topology shown in the figure, the following configurations are performed on RTA, RTB, and RTC respectively:
RTA]ospf 1
RTA-ospf-1]area 1
RTA-ospf-1-area-0.0.0.1]network 10.0.0.0 0.0.0.255
RTB]ospf 1
RTB-ospf-1]area 1
rtb-ospf-1-area-0.0.0.1]network 10.0.0.0 0.0.0.255
RTB-ospf-1-area-0.0.0.1]area 0
RTB-ospf-1-area-0.0.0.0]network 20.0.0.0 0.0.0.255
rtc]ospf 1
RTC-ospf-1]area 0
RTC-ospf-1-area-0.0.0.0]network 20.0.0.0 0.0.0.255
rtc-ospf-1-area-0.0.0.0]area 2
RTC-ospf-1-area-0.0.0.2]stub
rtc-ospf-1-area-0.0.0.2]network 30.0.0.0 0.0.0.255
If RTD can learn the route 10.0.0.0/24, how to configure it?

A router has an interface that uses frame relay to connect to multiple routers, and now it is necessary to run IS-IS between these routers, so what needs to be done on this interface?

As shown in the figure, the MSR router of the headquarters is connected to the branch through two 100Mbps Ethernet links. To make full use of the existing bandwidth resources, which of the following routing schemes is optimal?