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 true regarding Autonomous Systems (AS )?()

A.AS numbers are assigned by the IANA
B.AS numbers are used by BGP (Border Gateway protocol ) to exchange IP routing information with neighboring AS
C.In the internet, an Autonomous System (AS) is a collection of IP networks and routers under the control
D.All of the Above

微信掃碼免費搜題