Automation System
Most industrial control applications:

None of these
can be done more reliably using solid-state methods
can be solved using more than one method of control
All of these
must have the process specified correctly to be successful

ANSWER DOWNLOAD EXAMIANS APP

Automation System
There are several procedures you can implement to provide maximum security. The most important of these is:

do not leave training manuals unsecured
None of these
do not allow unbonded service people to work on your equipment
Verify the reputation of the people installing your system
run regular simulated tests using TARP (testing of Applications Recovery Planes)

ANSWER DOWNLOAD EXAMIANS APP