O
- Occupational Safety and Health Administration (OSHA)
A United States federal agency in charge of administering the Occupational Safety and Health Act. OSHA is responsible for ensuring that employees have a safe work environment.
- open access point
A wireless access point that employs no encryption or authentication, allowing any device that receives the signal potential access to the connected network.
- Open Systems Interconnection (OSI) model
A seven-layer theoretical networking model developed by the International Organization of Standardization (ISO).
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