单项选择题
A. The local router prefers the route with the shortest as-path.
B. The router first verifies that it has a route to the bgp Next Hop IP address.
C. The local router prefers the route from the peer with the lowest peer id address.
D. The local router prefers the route learned from an ebgp peer over a route learned from an ibgp peer.
单项选择题 Two Level 2 routers are exchanging Hello packets with different Area IDs. What occurs between these routers?（）
单项选择题 What command would you use to view an IS-IS adjacency?（）
单项选择题 How do you enable interface fe-0/0/0 under the [edit protocols isis] level to form both a Level 1 and Level 2 adjacency?（）