Most U.S. hotels now use some form of electronic locking systems (ELSs).
Correct Answer:
Verified
Q20: Wireless Internet carries a cost: security breaches
Q21: Monitors no longer use CRTs, cathode ray
Q22: Key chronology (sequence) runs something like this:
Q23: Mechanical keys carried the hotel's name and
Q24: Biometric systems are not popular because they
Q26: "Hard-wired key systems"are a misnomer (incorrectly named)
Q27: One disadvantage of ELSs is the long
Q28: Keycards for ELS are inexpensive plastic that
Q29: Keycards can be recycled; they can be
Q30: Two-way communication systems for electronic locks enable
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