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在设计网络时,人们最关心的恐怕有以下三个方面:网络骨干应能提供可靠的广域网连接并能有效利用广域网资源;工作组级的设备应能满足不断增长的应用的需要,为终
When designing a network, people are most concerned about the following three aspects: The backbone of the network should provide a reliable WAN connection and make efficient use of WAN resources. The workgroup-level devices should meet the needs of an ever-increasing number of applications.