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A security analyst is trying to determine if a host is active on a network. The analyst first attempts the following:

The analyst runs the following command next:

Which of the following would explain the difference in results?
- ICMP is being blocked by a firewall.
- The routing tables for ping and hping3 were different.
- The original ping command needed root permission to execute.
- hping3 is returning a false positive.
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