Copies of birth certificates and other personal vital records can only be obtained from the state or US possession where the documents were originally filed. Most states provide a centralized source from which birth certificates and other vital records can be ordered.opies of birth certificates and other personal vital records can only be obtained from the state or US possession where the documents were originally filed. Most states provide a centralized source from which birth certificates and other vital records can be ordered.
Tree Topology: This is a hybrid topology that combines characteristics of linear bus and star topologies. In a tree network, groups of star-configured networks are connected to a linear bus backbone cable.
Disadvantages of a Linear Bus Topology. 1  Entire network shuts down if there is a break in the main cable. 2  Terminators are required at both ends of the backbone cable. 3  Difficult to identify the problem if the entire network shuts down. 4  Not meant to be used as a stand-alone solution in a large building.