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Cisco 648-247 Exam -

Free 648-247 Sample Questions:

Q: 1
When a 24 VDC fail safe lock is being used to secure a door, how should power be supplied to the lock from the control source?
A. connected +24 VDC directly to the lock
B. connected +24 VDC through common and normally close
C. connected +24 VDC through common and normally open
D. connected +5 VDC binary control signaling
Answer: B

Q: 2
What are the three common methods that are used for authentication with an access control system?
A. badge card, key fob, and keypad PIN
B. badge card, keypad PIN, and password
C. something you know, something you have, and something you are
D. something you know, something you have, and something you did
Answer: C

Q: 3
What are the four main components of a typical logical door?
A. door, door knob, door jam, and hinges
B. lock, reader, tailgate sensor, and motion detector
C. lock, request to exit, door position switch, and swing arm
D. lock, reader, request to exit, and door position switch
Answer: D

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