Optional Practice Lab 2 of 4 · 20 min
Trust, Certificates, and Handshakes
Practice deciding which files are secrets, reading TLS errors accurately, ordering the checks a handshake performs, and stating precisely what mutual TLS proves.
Covers Lesson 5 · Lesson 6 · Lesson 7
What you will practice
- Rank the blast radius of leaking each generated certificate file.
- Diagnose a trust failure from its error message.
- Order the checks that run before a handler sees a request.
- State what mutual TLS proves and what it leaves unanswered.
Step 1 of 7
Pass with 80% · unlimited retries
0% correct
01
Rank the leak
One file from your certs/ folder is accidentally committed to a public repository. Which one causes the most damage?