Access Control is unlocking a door or doors without the use of a key.
Some ways to unlock doors are:
- A code on a keypad
- A card at a card reader
- A button on a radio transmitter
- A thumb print reader
- Remotely from the Internet
- Remotely from a telephone
Other things can be unlocked of controlled, such as:
- Gates
- Cabinets
- Drawers
- Machinery
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What are advantages of Access Control ?
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1) Many people can have access without giving out a lot of keys.
2) No costly re-keying ever needed.
3) History of who entered is available through an audit trail.
5) Limiting which door(s) or when the door(s) are available, and by whom.
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