Operating System (OS)
The LRU algorithm

None of these
pages out pages that have been used recently
pages out pages that have not been used recently
pages out the first page in a given area
pages out pages that have been least used recently

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

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

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Operating System (OS)
Link encryption

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

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