Operating System (OS)
Link encryption

None of these
can not be used in a public network
is more secure than end-to-end encryption
is used only to debug
is less secure than end-to-end encryption

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Operating System (OS)
A real time operating system is most likely to be used for which of the following task?

Managing the access to system files in a laptop computers
Ensuring that system clock works correctly on server
Controlling the fuel injection system of an automobile engines
Controlling access to a shared printer in a network

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