contestada

What is the difference between intrusive and non-intrusive scans?
1) Intrusive scans require user permission, while non-intrusive scans do not.
2) Intrusive scans are more thorough than non-intrusive scans.
3) Intrusive scans can cause disruptions to the system being scanned, while non-intrusive scans do not.
4) Intrusive scans are faster than non-intrusive scans.