Which of the following ensures that air is passed through a server chassis correctly？（）
A. U-size templates
B. Phase changers
C. Baffles
D. Molex connectors
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坚牢度相对较高、组织紧密的织纹组织是（）。
A. 平纹
B. 斜纹
C. 小花纹
D. 缎纹
WhichofthefollowingwouldbeusedtoconnecttwoIDFsinthesamebuildingwiththeLAN,whileminimizingcrosstalk?（）
A. RG-6
B. STP
CAT3
D. UTP
AnadministratorneedstoimplementasecuritypatchpolicyonthenetworkthatadherestoaninternalSLA.WhichofthefollowingactionsBESTachievesthistask?（）
A. Defineatestservergroup,installthepatchesandifsuccessfulscheduleinstallationonproductionservers.
B. Defineatestservergroup,scheduleinstallationonproductionserversandtheninstallallupdatesandpatches.
C. Installthepatchesduringanon-workinghour.
D. Sendanemailtoallcompanyusersandrequestthebesttimeforinstallation.
茶叶中维生素含量最高的是（）。
A. 维A
B. 维B
C. 维C
D. 维E
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