128.TDCS系统应具备( )功能,即包括数据包过滤、连接状态检查、会话检查等,能够根据用户定义允许或拒绝某些数据包通过防火墙,保护内部网络关键设备及系统不受非法攻击及访问的影响。

21.ABC22.BD23.ABCD24.AB25.ABC26.CBD27.ABCD28.AB29.AC30.AC

11.ACD12.BCD13.AD14.CD15.AD16.AB17.ACD18.AB19.BCD20.BC

1.ABCD2.ABC3.ABC4.ABCD5.BCD6.ACD7.BCD8.ABC9.ABC10.ABC

484.C485.D

471.A472.C473.D474.A475.D476.B477.A478.C479.B480.A481.B482.C483.B

458.D459.D460.C461.D462.B463.D464.C465.D466.D467.D468.D469.D470.C

445.D446.B447.A448.A449.A450.D451.C452.B453.D454.C455.C456.A457.C

432.B433.C434.B435.C436.C437.D438.D439.C440.D441.D442.A443.D444.A

419.B420.B421.A422.B423.C424.B425.C426.C427.B428.C429.B430.D431.A

406.D407.A408.B409.C410.A411.A412.A413.A414.B415.A416.D417.A418.A