    Sentence 1:. what does vBNS stand for    Sentence 2 The. Very -: highzspeed  Backbone Network Service (vBNS):came|  of line ‘in Aprit 1995-as part of a National  Science: Foundation AREA sponsored}  project’ to’” provide - .. high-speed  interconnection “between . NSF-sponsored|  supercomputing “centers and __select|  access points in the United States.    