A penetration tester is conducting reconnaissance on a target network. The tester runs the following Nmap command: nmap -sv -sT -p - 192.168.1.0/24. Which of the following describes the most likely…

The correct answer is C. Service discovery. The most likely purpose of the scan using the command nmap -sv -sT -p - 192.168.1.0/24 is Service discovery. The command options used are: -sT: TCP connect scan, which attempts to establish a connection with each target port. -sv: Service version detection, which attempts to…

Submitted by asante_acc· Mar 6, 2026Reconnaissance and enumeration

Question

A penetration tester is conducting reconnaissance on a target network. The tester runs the following Nmap command:

nmap -sv -sT -p - 192.168.1.0/24. Which of the following describes the most likely purpose of this scan?

Options

AOS fingerprinting
BAttack path mapping
CService discovery
DUser enumeration

How the community answered

(29 responses)

A
3% (1)
B
3% (1)
C
93% (27)

Explanation

The most likely purpose of the scan using the command nmap -sv -sT -p - 192.168.1.0/24 is Service discovery. The command options used are: -sT: TCP connect scan, which attempts to establish a connection with each target port. -sv: Service version detection, which attempts to determine the version of the service running on -p -: Scans all 65,535 ports. This combination indicates that the scan aims to identify which services are running on the open ports across the specified IP range and to determine their versions.

Topics

#Nmap#Service discovery#Port scanning#Network reconnaissance

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