CCNA 4.4: Describe WAN topology options

Overview: A few different types of WAN topology options exist.  The concepts behind WAN topology can apply to Layer2 or Layer3 of the OSI model.  These are the four types of WAN topology optoins covered on the CCNA exam: 4.4.a Point-to-point A point-to-point link provides a single, pre-established WAN communications path from the customer premises […]

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