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Question:
Some of the most basic yet effective physical security measures are locks and keys. The user needs a key to unlock a laptop lock. A solid object, such as a table leg, is wrapped in the heavy cable, and the end into which the key is inserted locks into a designated slot in a laptop or other mobile device. Security tokens can be either soft or hard tokens. Users carry hard tokens, such as a key fob, with them. Soft tokens are software on a system. Your location in relation to Earth's magnetic north and south can be determined using a magnetometer, a device that measures magnetic fields.