Labels:text | screenshot | font | rectangle | number | display | line OCR: 18M 3090 Amdant San Francisco Tokyo MAINFRAME (MVS, VMS) Federated VAX 11780 HP-9000 Application Hong Kong London MINICOMPUTERS (VAX, Unix) A break in one node will not effect 1ke overall Ethernet Novali New York Pans PC Notworks (DOS, OS/2) FIGURE 2. Multiple points of failure.