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在Word编辑状态下,将光标移至文本行首左侧空白出呈 形状时,单击鼠标左键可以选中__(1)__,按下__(
A.单词
B.一行
C.一段落
D.全文
A.单词
B.一行
C.一段落
D.全文
A、alt+鼠标左键单击
B、alt+一直摁着鼠标左键
C、ctrl+alt+鼠标左键单击
D、shift+alt+鼠标左键单击
A.802.11a 和 802.11b
B.802.11a 和 802.11h
C.802.11b 和 802.1 lg
D.802.11g 和 802.11h
OSPF is a link-state routing protocol。It is designed to be run internal to a single __(71__system。Each OSPF router maintains an identical __(72)__ describing the autonomous system’s topology。From this database,a routing table is calculated by constructing a shortest-path __(73)__。OSPF recalculates routes quickly in the face of topological changes,utilizing a minimum of routing __(74)__ traffic。OSPF provides support for equal-cost multipath。An area routing capability is provided,enabling an additional level of routing protection and a reduction in routing protocol __(75)__。
A.autonomous
B.network
C.computer
D.server
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