(Would) you mind (give) me (a glass of) water and (some) aspirin?
A. Would
B. give
C. a glass of
D. some
The man (was) seen run (away with) something black (under) (his arm).
A. was
B. away with
C. under
D. his arm
路由协议RIPv2是RIPvl的升级版,它的特点是(30)。
A. RIPv2是链路状态路由协议
B. RIPv2支持VLSM
C. RIPv2每隔90秒广播一次路由信息
D. RIPv2允许的最大跳数为30
以下不属于网络安全控制技术的是(45)。
A. 防火墙技术
B. 访问控制技术
C. 入侵检测技术
D. 差错控制技术