99色精品-9色在线-99色在线-99色视频 国产欧美日产一区二区三区_亚洲精品亚洲人成在线观看_四虎在线精品永久观看_免费一级a一片久久精

單項選擇題

What is the Cisco IOS default behavior for switching from the shared tree to the shortest path tree in PIM-SM operations?()

A.immediately after receiving the first packet on the shared tree for a given (S,G)
B.after receiving over 1 kb/s traffic onthe shared tree for a given (S,G)
C.10 seconds after receiving the first packet on the shared tree for a given (S,G)
D.30 seconds after receiving the first packet on the shared tree for a given (S,G)
E.after receiving over 10 kb/s traffic onthe shared tree for a given (S,G)

微信掃碼免費搜題