【单选题】In the 7-layer OSI model, which layer switching will take place?()
【单选题】In the 7-layer OSI model, which layer switching will take place?()
【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
【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
【多选题】根据《建筑桩基技术规范》(JGJ94-2008)规定,关于人工挖孔桩施工,下列( )说法是正确的。
C.
当桩净距小于 2.5m 时,应采用间隔开挖;