Smith, smith, smith, and smith is a regional accounting firm that is building a new headquarters building. the building will have a backbone network that connects eight lans (two on each floor). they are very concerned with network errors. what advice would you give them in the design of the building and network cable planning that would help reduce network errors? (hints: think about media (physical matter) that we discussed in the physical layer (i.e., characteristics of different media) and also think about the mechansims that uses to prevent and check network errors we discussed in the data link layer)