97免费在线观看视频,亚洲综合自拍网,黄色毛片免费观看,热久久综合网,免费看日产一区二区三区 狠狠操av,久久久涩涩涩,在线精品免费视频,人人插天天干,久久91精品国产91久久

單項選擇題

An enterprise has plans to start adding IPv6 support. The initial deployment requires support from some IPv6 - only device s that need to access servers that support only IPv4.
Which of the following tools would be most appropriate?()

A. Native IPv6
B. Point - to -point tunnels
C. Multipoint tunnels
D. NAT - PT

微信掃碼免費搜題