Ping method and DNS method are considered what type of detection technique?

The ping method and DNS method are associated with sniffing techniques, which involve intercepting and analyzing network traffic to gather information about devices on the network and their communication patterns. Sniffing can be utilized to detect active hosts, file transfers, and other network activities by capturing packets transmitted over the network.

In network security, sniffing is often used to identify open ports, services running on devices, and the presence of potential vulnerabilities. By using the ping method, you can actively check the status of hosts in a network, while DNS queries may reveal information about the network structure and the devices operating within it. These methods are fundamental in reconnaissance and can assist in identifying potential targets for further analysis or malicious activities.

The other options do not accurately apply to the ping and DNS methods: firewalls are primarily used to control access to or from a network, while intrusion detection systems (IDS) and tools like Snort are specific software solutions designed to detect and respond to suspicious activities rather than perform the initial reconnaissance that ping and DNS methods would facilitate.