A is correct

Selected Answer: A A is the correct answer.

Selected Answer: A A is right. It is ideal for small companies: "The collapsed core model is a cut-down version of the three-tier model. The deduction was made to build a network for small and medium-sized campuses. Therefore, smaller institutions can benefit from using a collapsed core network while still getting the same benefits they would if they were using a three-tier model. Small organizations often cannot afford the hardware and human resources to run the network and can benefit greatly with less oversight necessary." And reduces cost: "In a traditional three-tier campus network, the core layer is usually a complex and expensive piece of hardware. This layer is removed with collapsed core architecture, reducing both cost and complexity."

Selected Answer: A Aaaaaaaaaaaa