题目内容

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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织物最接近于人体皮肤的是()。

A. 棉
B. 麻
C. 丝
D. 毛

Aserverhasasingle,halfheight,PCI-X3.3vslotavailable.Whichofthefollowingcardscanfitinthisslot?()

A. HalfHeight,UniversallyKeyedPCIcard
B. FullHeight,3.3vPCI-Xcard
C. HalfHeight,x16PCIExpressCard
D. HalfHeight,3.3vPCIcard
E. HalfHeight,UniversallyKeyedPCI-Xcard
FullHeight,UniversallyKeyedPCIcard
G. HalfHeight,x8PCIExpressCard

羊毛纤维中,具有三层结构的是()。

A. 有髓毛
B. 真毛
C. 半细毛
D. 细毛

AtechnicianwhoseparatedtwodepartmentsusingVLANsnowdiscoversthattheVLANscannot communicatewitheachother. WhichofthefollowingdoesthetechnicianneedtoenablecommunicationbetweentheVLANs?()

A. Portspanning
B. VLANconcentrator
C. Firewall
D. Router

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