在一条25对基本单位组成的2400的全塑市话电缆中已知线对序号为2134,试写出该线对的色谱?
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机械设备安装工程除另有说明者外,均以“()”为计量单位,以设备重量“t”划分项目。
A. 批
B. 台
C. 组
D. 件
Hot Standby Router Protocol (HSRP) is able to provide network redundancy for IP networks. Concerning HSRP load sharing, which two descriptions make sense?()
A. It is achieved by using more than one HSRP group.
B. It is done in regards to either round robin or weight basis.
C. It is used to offload the active router in a certain HSRP group.
D. The return traffic is influenced by HSRP load sharing configuration.
E. Single group HSRP is used to achieve more efficient link utilization.
下不是柴油发动机优点的是()。
A. 较汽油机的热效率要高
B. 相比汽油机故障率较低
C. 相比汽油机噪音和振动要低
D. 相比汽油机可以输出更大的功率