Answer the following statement(s) true (T) or false (F)
1. One of the first methods used to communicate between PLCs was a pair of wires connecting the output card of one PLC to the input card of a second PLC.
2. When devices are connected to network media, they are called nodules.
3. Metropolitan Area Networks (MANs) are data communications networks that generally span a metropolitan area.
4. A ring network is a network topology in which nodes are connected in parallel to form a ring.
5. When twisted-pair cables are used in industrial control networks, the manufacturers of the equipment will typically specify the type and quality of the cable to be used for optimum performance.
1. True
2. False
3. True
4. False
5. True
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