Diagram below shows a network topology for a small enterprise company, named Delta Enterprise. The IT manager is concerned that the companys infrastructure is based on small cheap router while the design is too simple with outdated equipments and standards thus complicates systems administration and drives up management costs. Analyse and discuss the issues of the network design using FCAPS model, and then provide your suggestion on how to improve/solve the problems and upgrade the network design of the company.

Hub Router Internet