Your organization has hired a penetration tester to validate the security of your environment. The penetration tester needs to document which ports are being listened on for the various servers. Which type of tool will the penetration tester most likely use

Port scanner

Explanation:

The penetration tester would most likely use a port scanner. A port scanner can be explained to be an application that is made to check a server or host for ports that are open. This application can also be used by administrators to check their security networks so as to know those network services that are running on a host and also to know existing vulnerabilities. Attackers also use this to exploit victims.

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