312-50V11 Question #463: Real Exam Question with Answer & Explanation

The correct answer is A: Scan servers with Nmap. Nmap is the industry-standard tool for network port scanning, making it the most efficient and accurate method for auditing open ports across multiple servers.

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

Explanation

Nmap is the industry-standard tool for network port scanning, making it the most efficient and accurate method for auditing open ports across multiple servers.

Common mistakes.

B. Physically visiting each server is impractical, time-consuming, and does not reveal network-level port exposure from a remote attacker's perspective.
C. MBSA (Microsoft Baseline Security Analyzer) checks for missing patches and security misconfigurations on Windows systems, not open network ports.
D. Manually telnetting to every port on each server is extremely slow, error-prone, and impractical at scale compared to automated scanning tools.

Concept tested. Network port scanning using Nmap

Reference. https://nmap.org/book/man.html

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