Operating System (OS)
Trojan-Horse programs

None of these
are legitimate programs that allow unauthorized access
do not usually work
usually are immediately discovered
are hidden programs that do not show up on the system

ANSWER DOWNLOAD EXAMIANS APP

Operating System (OS)
Capacity planning

is independent of the operating system
is not needed in small installations
does not depend on the monitoring tools available
requires detailed system performance information
None of these

ANSWER DOWNLOAD EXAMIANS APP