Operating System (OS)
Link encryption

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

ANSWER DOWNLOAD EXAMIANS APP

Operating System (OS)
Object code

is the output of compilers, but not assemblers
must be rewritten before execution
is ready to execute
None of these
must be "loaded" before execution

ANSWER DOWNLOAD EXAMIANS APP

Operating System (OS)
Semaphores

are used to do I/O
synchronize critical resources to prevent contention
synchronize critical resources to prevent deadlock
are used for memory management
None of these

ANSWER DOWNLOAD EXAMIANS APP

Operating System (OS)
Scheduling is

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

ANSWER DOWNLOAD EXAMIANS APP