AtechnicianclaimstohavecrimpedapatchcableaccordingtotheT568AstandardononeendandT568Bontheother. Whichofthefollowingresultsistobeexpected?()
A. Sinceonlyhalftheleadsareused,thecablewillonlyworkat100Mbps
B. Thecablewillonlyworkatamaximumof100Mbps.since1GbpsonlyworksonT568Bcables.
C. Therewillbenoproperdatacontinuity;thestandardsutilizetwodifferentwiringdiagrams.
D. Thecablewillonlyworkatamaximumof10Mbps.since100/1000MbpsonlyworksonT568Bpurecables
查看答案
在记录集对象中,用来制定游标类型为仅向前游标的常量名是()
A. adOpenForwardOnly
B. adOpenDynamic
C. adOpenStatic
D. adOpenKeySet
Anadministratorissettingupasecuritycamerathatwillsendthesamefeedtotwelveofthe twentyworkstationsonthenetwork. Whichofthefollowingaddressingschemeswasdesignedforthisscenario?()
A. Multicast
B. Unicast
C. Broadcast
D. Peer-to-peer
在记录集对象中,可用来指定记录集的锁定类型,其属性名称是()
A. CommandType
B. RecordLockType
C. LockType
D. ContentType
根据物流发展过程中的相关统计资料,物流运输成本占物流总成本的()。
A. 10%~20%
B. 15%~25%
C. 35%~50%
D. 30%~40%