當(dāng)評估網(wǎng)絡(luò)監(jiān)控控制的結(jié)構(gòu)時(shí),IS審計(jì)師應(yīng)當(dāng)最先審查網(wǎng)絡(luò)的:()A.網(wǎng)絡(luò)的拓?fù)浣Y(jié)構(gòu)圖B.帶寬的使用C.交易分析報(bào)告D.網(wǎng)絡(luò)瓶頸