Operating System (OS)
Link encryption

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

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Operating System (OS)
Seeks analysis

is used for analyzing paging problems
is used for analyzing control-unit busy problems
is only shown on real-time displays
is used for analyzing device busy problems
None of these

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