Assuming the need for filtering on an internal VLANs on a network, what is considered to be the best practice between the two if you have limited resources and can choose only one? Assume a setup of at least two VLANS with standard workstations and a server VLAN. Assume a mixtures of Voice and data networks, and assume that Windows and Linux networks are in place. Are there exceptions to this rule that you set up because of certain technologies? What are the reasons for your opinions?