Operating System (OS)
Data encryption

None of these
is mostly used by public networks
is not necessary, since data cannot be intercepted
cannot be used by private installations
is mostly used by financial networks

ANSWER DOWNLOAD EXAMIANS APP

Operating System (OS)
Scheduling is

not required in uniprocessor systems
None of these
unrelated to performance consideration
the same regard-less of the purpose of the system
allowing jobs to use the processor

ANSWER DOWNLOAD EXAMIANS APP