PT0-002 · Question #576
PT0-002 Question #576: Real Exam Question with Answer & Explanation
The correct answer is B: -sU. The -sU option in Nmap is used for UDP scans. A regular Nmap scan (-sS or -sT) primarily focuses on TCP ports, which might miss services running on UDP. Since some important services (e.g., DNS, SNMP, NTP, or certain custom applications) operate over UDP, a UDP scan can help dete
Question
A penetration tester performed an Nmap scan that revealed the presence of a web server, a file server, and a database server. Which of the following Nmap scans should the tester use to potentially find more services that were undetected during the regular Nmap scan?
Options
- A-sC
- B-sU
- C-sT
- D-sS
Explanation
The -sU option in Nmap is used for UDP scans. A regular Nmap scan (-sS or -sT) primarily focuses on TCP ports, which might miss services running on UDP. Since some important services (e.g., DNS, SNMP, NTP, or certain custom applications) operate over UDP, a UDP scan can help detect those.
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