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【单选题】
填料塔的吸收面积等于( )。A.
塔内填料总表面积
B.
塔内润湿的填料表面积
C.
塔的截面积
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【多选题】Layer 2 switching provides which of the following? (Choose four.)
A.
Hardware-based bridging (ASIC)
B.
Wire speed
C.
Low latency
D.
Low cost
E.
Routing
F.
WAN services
【单选题】In the 7-layer OSI model, which layer switching will take place?（）
A.
Layer one
B.
Layer two
C.
Layer three
D.
Layer four
【单选题】In the 7-layer OSI model, which layer switching will take place?（）
A.
Layer two
B.
Layer four
C.
Layer one
D.
Layer three
【单选题】病人,女性,32岁。在得知自己被确诊为乳腺癌早期时,禁不住躺倒在床上失声痛哭,这时护士问:“你现在觉得怎么样?”此病人一直低头不语,不愿意和护士沟通。之后的几天内,病人情绪很低落,常为一些小事伤心哭泣.当护士试图和病人沟通时,目前,影响护患沟通的核心问题是病人的
A.
个性
B.
情绪
C.
能力
D.
态度
E.
生活背景
【单选题】Company uses layer 3 switches in the Core of their network. Which method of Layer 3 switching uses a forwarding information base （FIB）？（）
A.
Topology-based switching
B.
Demand-based switching
C.
Route caching
D.
Flow-based switching
E.
None of the other alternatives apply
【单选题】What benefit results from implementation of Layer 3 switching versus Layer 2 switching in a fully meshed campus network？（）
A.
ease of IP address assignment versus use of external routers
B.
redundancy from trunking between distribution layer switches
C.
provides first-hop redundancy to clients
D.
allows inter-VLAN communication without requiring complexity of routing protocols
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