Operating System (OS)
Which of the following is not a characteristic of a daisy chaining priority control scheme?

it is relatively easy to add more devices to the chain
priority is programmable
the failure of one device may affect other devices on the chain
the number of control lines is independent of the number of devices on the chain
None of these

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Operating System (OS)
Data encryption

is mostly used by financial networks
is mostly used by public networks
is not necessary, since data cannot be intercepted
cannot be used by private installations
None of these

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