EC-Council
EC0-350 · Question #476
You are conducting a port scan on a subnet that has ICMP blocked. You have discovered 23 live systems and after scanning each of them you notice that they all show port 21 in closed state. What…
The correct answer is C. Perform a SYN scan on port 21 to identify any additional systems that might be up. See the full explanation below for the reasoning.
Question
You are conducting a port scan on a subnet that has ICMP blocked. You have discovered 23 live systems and after scanning each of them you notice that they all show port 21 in closed state. What should be the next logical step that should be performed?
Options
- AConnect to open ports to discover applications.
- BPerform a ping sweep to identify any additional systems that might be up.
- CPerform a SYN scan on port 21 to identify any additional systems that might be up.
- DRescan every computer to verify the results.
How the community answered
(42 responses)- A5% (2)
- B2% (1)
- C81% (34)
- D12% (5)
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