A hacker is attempting to see which ports have been left open on a network. Which NMAP switch would the
hacker use?
A.
-sO
B.
-sP
C.
-sS
D.
-sU
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The correct answer is -sS, SYN scan provides port numbers. Option -sO only provides protocol numbers.
It’s B. -sP for showing ports.
C
-sO command scans tcp and udp ports.
Host is up (0.0000010s latency).
Not shown: 248 closed protocols
PROTOCOL STATE SERVICE
1 open icmp
2 open|filtered igmp
4 open|filtered ipv4
6 open tcp
17 open udp
41 open|filtered ipv6
103 open|filtered pim
136 open|filtered udplite