为什么说棘皮动物是最高等的无脊椎动物?
During routine maintenance, G1/0/1 on DS1 was shutdown. All other interface were up. DS2 became the active HSRP device for Vlan101 as desired. However, after G1/0/1 on DS1 was reactivated. DS1 did not become the active HSRP device as desired. What need to be done to make the group for Vlan101 function properly ? () Enable preempt on DS1’s Vlan101 HSRP group。 Disable preempt on DS1’s Vlan101 HSRP group。 Decrease DS1’s priority value for Vlan101 HSRP group to a value that is less than priority value configured on DS2’s HSRP group for Vlan101。 Decrease the decrement in the track command for DS1’s Vlan 101 HSRP group to a value less than the value in the track command for DS2’s Vlan 101 HSRP group.。
工作结束应将控制器回到零位,切断总电源,收好工具,关好所以的门窗并加锁。
市场细分的主要策略有()。 先期市场细分。 中期市场细分。 后期市场细分。 非结构化市场细分。
关于水泥砂浆防水层施工的说法,错误的有() 水泥砂浆防水层可用于地下工程主体结构的迎水面。 水泥砂浆防水层可用于地下工程主体结构的背水面。 水泥砂浆防水层不应用于温度高于50℃的地下工程防水。 聚合物水泥防水砂浆厚度单层施工宜为10~12mm。 防水砂浆宜采用多层抹压法施工。
Which of the following is true about routers internal to a totally NSSA area?()