Crucial Exams

CompTIA Network+ N10-009 Practice Question

A network administrator needs to identify all open ports and the operating system of a device on their network to ensure no unauthorized ports are open. Given the device has the IP address 192.168.1.123, which Nmap command should be used to perform this scan?

  • nmap -sn 192.168.1.123

  • nmap -p- 192.168.1.123

  • nmap -O -sT 192.168.1.123

  • nmap -F 192.168.1.123

CompTIA Network+ N10-009
Network Troubleshooting
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