312-50V10 · Question #463
You're doing an internal security audit and you want to find out what ports are open on all the servers. What is the best way to find out?
The correct answer is A. Scan servers with Nmap. Nmap (Network Mapper) is the industry-standard tool for port scanning. Running nmap against your server subnet quickly reveals open TCP/UDP ports across all hosts, making it the most efficient and thorough method. Choice B (physically visiting servers) is impractical at scale. Ch
Question
You're doing an internal security audit and you want to find out what ports are open on all the servers. What is the best way to find out?
Options
- AScan servers with Nmap
- BPhysically go to each server
- CScan servers with MBSA
- DTelent to every port on each server
How the community answered
(50 responses)- A94% (47)
- C4% (2)
- D2% (1)
Explanation
Nmap (Network Mapper) is the industry-standard tool for port scanning. Running nmap against your server subnet quickly reveals open TCP/UDP ports across all hosts, making it the most efficient and thorough method. Choice B (physically visiting servers) is impractical at scale. Choice C (MBSA – Microsoft Baseline Security Analyzer) is a Windows-specific tool focused on security configuration and patch compliance, not port enumeration. Choice D (telnetting to every port) is extremely slow, manual, and unreliable. Nmap automates the entire process and provides detailed, actionable output.
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