Interview questions and answers on HTTP, TCP, and DNS

Study Packetalk, networking questions interviewers love with HTTP, TCP, DNS, TLS.

  • Difficulty Intermediate
  • Parts 10
  • Stack HTTP, TCP, DNS, TLS

What you are learning

Packetalk is networking questions interviewers love. The teaching focus is Networking (HTTP, TCP, DNS, TLS).

Work in order. Early parts set vocabulary and environment; later parts assume the earlier checkpoints.

How to use these lessons

Read the goal, open the matching GitHub folder, complete the lab or exercises, then return for the explanation. If a command fails, check you are in the numbered folder first.

Open the Packetalk GitHub repo →

Parts in order

Each chapter below is one checkpoint in this track.