Acommontechniqueusedtopreventtheunauthorizednetworkdevicesfromsendingtrafficacrossanetworkisport()
A. spanning
B. addresstranslation
C. mirroring
D. authentication
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进货管理的目标包括()。
A. 保量
B. 保质
C. 保安全
D. 保时间
Which of the following is the BEST recovery method for a server that only aggregates report data andstores data on separate servers?()
A. Full
B. Disk imaging
C. Incremental
D. Tape backup
当AB、BC间距为100km及50km,AC、CB、BA间的货运量分别为1000t,500t,1000t,于是BC区段的回运系数为:()
A. 1/2
B. 1/3
C. 1/4
D. 1/5
大型铁桶包装,容量一般在()kg。
A. 50~100
B. 100~150
C. 150~180
D. 150~200