An engineer needs to discover alive hosts within the 192.168.1.0/24 range without triggering intrusive portscan alerts on the IDS device using Nmap. Which command will accomplish this goal?

The correct answer is B. nmap -sP 192.168.1.0/24. -sP (or --ping-sweep) is used for host discovery. It sends ICMP echo requests to the specified IP range to determine which hosts are up and available without performing a full port scan. This method is non-intrusive and typically doesn't trigger port scan alerts on IDS devices.

Submitted by mateo_ar· Mar 6, 2026Network Intrusion Analysis

Question

Options

Anmap --top-ports 192.168.1.0/24
Bnmap -sP 192.168.1.0/24
Cnmap -sL 192.168.1.0/24
Dnmap -sV 192.168.1.0/24

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(41 responses)

A
2% (1)
B
80% (33)
C
5% (2)
D
12% (5)

Explanation

-sP (or --ping-sweep) is used for host discovery. It sends ICMP echo requests to the specified IP range to determine which hosts are up and available without performing a full port scan. This method is non-intrusive and typically doesn't trigger port scan alerts on IDS devices.

Topics

#Nmap#Host discovery#Network scanning#IDS evasion

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