Operating System (OS)
Link encryption

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

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Operating System (OS)
The main function of the dispatcher (the portion of the process scheduler) is

suspending some of the processes when the CPU load is high
assigning ready process to the CPU
None of these
bring processes from the disk to the main memory
swapping a process to the disk

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