Two DS8700 systems have been proposed for a disk-to-disk BC solution. Each system has 200 TB installed, with a data change rate of 18% per day. Two 2 Gbps CWDM links are in place between the remote data centers with an average utilization rate of 55%. The proposed solution includes additional CWDM ports. Which of the following should justify the additional CWDM ports()
A. the Disk Magic configuration report
B. an engineer from thetelcom providing the dark fiber
C. the bandwidth calculations
D. aCompeteLine analysi
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对接近常压的低溶质浓度的气液平衡系统,当总压增大时,亨利系数E(),相平衡常数m(),溶解度系数H()。
局域网交换机首先完整地接收数据帧,并进行差错检测。如果正确,则根据帧目的地址确定输出端口号再转发出去。这种方式为:()。
A. 直接交换
B. 改进直接交换
C. 存储转发交换
D. 查询交换置
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A. 正确
B. 错误
经氢气干燥装置后,氢气中含水量小于()才为合格。
A. -20℃露点;
B. -30℃露点;
C. -40℃露点;
D. -50℃露点。