A.響應不完全 B.302跳轉(zhuǎn) C.文件緩存不住 D.無響應
A.狀態(tài)碼監(jiān)控 B.帶寬監(jiān)控 C.丟包率監(jiān)控 D.網(wǎng)絡延時監(jiān)控