单项选择题
A.The redirect will be ignored
B.The routing table will be altered
C.The ping will fail， followed by other network services.
D.The host， which sent the ICMP redirect， will begin acting as the gateway
单项选择题 WhenconfiguringaninterfaceusingSMITandFurtherConfigurationwithanIPaddressandnetmask，whichofthefollowingoutcomesindicateshowtheroutingtableswillbeaffected？（）
单项选择题 Whichofthefollowing"nooptions"controlsthemaximumvalueofmbufs？（）
单项选择题 Whichofthefollowingcommandsidentifiesallnetworkadaptertypesthatareinstalledinamachine？（）