Operating System (OS)
The most common security failure is

insufficient technology used to prevent breaches
too much emphasis on preventing physical access
depending on passwords
None of these
carelessness by users

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Operating System (OS)
All of the following are TRUE regarding virtual memory EXCEPT

Any amount of RAM can be allocated to virtual memory
The setting for the amount of hard disk drive space to allocate virtual memory can be manually change
This temporary storage is called the swap file or page file
Virtual memory is the physical space o the hard drive

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Operating System (OS)
Indicate which, of the following, in not true about an interpreter

Interpreter is a kind of translator
Interpreter generates an object program from the source program
None of these
All of these
Interpreter analyses each source statement every time it is to be executed

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Operating System (OS)
Link encryption

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

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