Editorial course preview
What the public course preview actually shows
These 3 complementary views highlight concrete, legible examples from the course presentation.
This screenshot shows the Wireshark interface analyzing DNS traffic, displaying a list of captured packets with query types and responses alongside detailed protocol information.
This view shows the VirtualBox environment used to manage virtual machines alongside a terminal editing the BIND9 configuration file for a local DNS zone.
This split-screen view demonstrates DNS troubleshooting by showing a dig query on the client terminal alongside active tcpdump packet capture output on the server.
