Answer:
Possibly the most important but hard-to-learn ability any technical individual might have is the gift to troubleshoot. For persons who are new with the expression, troubleshooting is the act of investigating and rectifying problems in any type of system. For a businessman, this might mean recognizing the source(s) of ineffectiveness in a business and suggesting a remedial course. For a doctor, this would mean accurately identifying a patient's trouble and recommending a treatment.
I think that's true.
If they didn't they could be easily tracked by the police.
A network is used to configure data sources for applications that require access to a database?
Silcates are minerals with silicon bonded with oxygen.