[单选] You are working in a data center environment and are assigned the address range 10.188.31.0/23.You are asked to develop an IP addressing plan to allow the maximum number of subnets with as many as 30 hosts each.Which IP address range meets these requirements?（）

1991年12月25日，红白蓝三色旗取代了镰刀锤子红旗，以此为标志而结束的苏联在历史上存在了（） 67年。 69年。 73年。 74年。 调查法 子宫肌瘤最常见症状是（） 腹痛。 不孕。 痛经。 月经改变。 接触性出血。 Which statement is true about the SDM QoS wizard and its ability to enable a QoS policy on router interfaces？（） QoS can be enabled on interfaces used for Easy VPN clients。 QoS can be enabled on IPsec VPN interfaces and tunnels。 QoS can be enabled on interfaces with an existing QoS policy。 the QoS policy can be enabled for incoming and outgoing traffic on the interface。 最高允许浓度 You are working in a data center environment and are assigned the address range 10.188.31.0/23.You are asked to develop an IP addressing plan to allow the maximum number of subnets with as many as 30 hosts each.Which IP address range meets these requirements?（）