情报系统方法流程
下列选项中不属于侧脸的特点的是()。 容观性。 主观性。 间接性。 相对性。
在声学中,把介质中某点的有效()与质点振动速度的比值称为声阻抗率。 声强。 声压。 声幅。 声频。
()透镜由于增大了包容角,所以能提高光源的光能利用率。 弧面型螺纹。 平面螺纹。 麻面螺纹。 磨砂。
Refer to the exhibit. You are setting up a 2-gigabit EtherChannel. Following IEEE standards, the exhibit shows your configuration in a local switch1. However, EtherChannel is not coming up. Which one of these statements could be a possible reason?() EtherChannel is only available in Cisco equipment. 。 The customer side is supposed to be running PAgP, which is a Cisco standard. 。 PAgP is not an IEEE standard. VRRP should be used. 。 The configuration on switch1 needs to be modified to use LACP.&e。
下列不属于煤炭自燃预兆的是()。