supervisory control and data acquisition - A system for remotely monitoring and controlling physical systems such as power and manufacturing plants.
switch - Networking device that operates at layer 2 and breaks apart collision domains per port.
symmetric algorithm - Operate with a single cryptographic key that is used for both encryption and decryption of the message.
synthetic performance monitoring - Involves having external agents run scripted transactions against a web application.
synthetic transaction - A transaction that is executed in real time by a software agent to test or monitor the performance of a distributed system.
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