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

Which IPv6 address would you ping to determine if OSPFv3 is able to send and receive unicast packets across a link?()

A.anycast address
B.site-local multicast
C.global address of the link
D.unique local address
E.link-local address

微信掃碼免費搜題