18.4. Exam Essentials
Understand what network scanners are and how to use each one
Network scanners are described as packet sniffers, IDS/IPS software, and port scanners. These devices can help you both troubleshoot and fix your network, as well as find and stop hackers in their tracks.
Remember what the basic purpose of a packet sniffer is
The basic purpose of packet sniffers or network analyzers is to collect and analyze each individual packet that is captured on a specific network segment to determine if problems are happening.
Remember the main purpose of IDS/IPS software
The IDS detects unwanted attempts to manipulate network systems and/or environment, and the IPS is a computer security device that monitors network and/or system activities ...
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