无码高清视频|成人自拍视频|欧美成人午夜无码A片秀色直播|草美女视频网站|美女被操网站在线观看

單項選擇題

Which of the following characteristics applies only to OSPFv3 and not to OSPFv2?()

A.Several processes can exist simultaneously
B.Requires direct connectivity from the backbone area to all other areas
C.Has the same packet types
D.Can support multiple subnets on a single link
E.Uses a hierarchical structure divided into areas
F.Adjacencies formed with neighbors

微信掃碼免費搜題