EC-Council
312-50V9 · Question #424
312-50V9 Question #424: Real Exam Question with Answer & Explanation
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Question
Firewalk has just completed the second phase (the scanning phase) and a technician receives the output shown below. What conclusions can be drawn based on these scan results? TCP port 21 - no response TCP port 22 - no response TCP port 23 - Time-to-live exceeded
Options
- AThe firewall itself is blocking ports 21 through 23 and a service is listening on port 23 of the target
- BThe lack of response from ports 21 and 22 indicate that those services are not running on the
- CThe scan on port 23 passed through the filtering device. This indicates that port 23 was not
- DThe scan on port 23 was able to make a connection to the destination host prompting the firewall
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