In extreme weather conditions, either hot or cold, control of the air conditioning plant presents () difficulties.
A. few
B. little
C. a little
D. le
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()连接方式由网管预先建立,所有资源包括带宽和路由一直保持不变,直到网管释放。
A. PVC
B. SVC
C. SPVC
D. PVP
我国春秋战国时期的著名医学《内经》按阴阳强弱,把人分为太阴、少阴、太阳、少阳、阴阳平和,共五种类型。按照德国心理学家施特恩的人格分类方法,阴阳五行说属于()
A. 单一型模式
B. 对立型模式
C. 多元型模式
D. 场依存性模式
What is one benefit of PVST+?()
A. PVST+reduces the CPU cycles for all the switches in the network
B. PVST+automatically selects the root bridge location,to provide optimized bandwidth usage.
C. PVST+allow the root switch location to be optimized per vlan.
D. PVST+supports Layer 3 load balancing without loops.