For the SCADA system shown, the host computer:
A) monitors the process.
B) sends commands to the PLCs.
C) stores data automatically.
D) all of these.
Correct Answer:
Verified
Q111: The Modbus protocol:
A)transmits information over serial lines
Q112: The illustration shows the implementation of _
Q113: Which communication system allows communications simultaneously in
Q114: The transfer of information in a LAN
Q115: All SERCOS communication networks use fiber-optic cable.
Q116: A closed-loop control system can't sense changes,
Q117: The EtherNet/IP protocol:
A)is a proprietary network.
B)will not
Q118: The HART communication protocol was developed to
Q120: The Allen-Bradley data highway network:
A)is a proprietary
Q121: Repeaters are used midstream to boost, or
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