Which of the following command line switch would you use for OS detection in Nmap?
A.
-D
B.
-O
C.
-P
D.
-X
Explanation:
OS DETECTION: -O: Enable OS detection (try 2nd generation w/fallback to 1st) –
O2: Only use the new OS detection system (no fallback) -O1: Only use the old (1st generation) OS detection system –osscan-limit: Limit OS detection to promising targets –osscan-guess: Guess OS more aggressively