Operating System (OS)
Daisy chain is a device for

connecting a number of devices to a controller
All of these
None of these
interconnecting a number of devices to a number of controllers
connecting a number of controllers to a device

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Operating System (OS)
Data encryption

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

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