A.10.0.192.0/8網(wǎng)段內(nèi),掩碼長(zhǎng)度為18的路由會(huì)匹配到該前綴列表,匹配規(guī)則為允許
B.10.0.192.0/8網(wǎng)段內(nèi),掩碼長(zhǎng)度為19的路由會(huì)匹配到該前綴列表,匹配規(guī)則為允許
C.10.0.192.0/8網(wǎng)段內(nèi),掩碼長(zhǎng)度為20的路由會(huì)匹配到該前綴列表,匹配規(guī)則為允許
D.10.0.192.0/8網(wǎng)段內(nèi),掩碼長(zhǎng)度為21的路由會(huì)匹配到該前綴列表,匹配規(guī)則為允許