Quiz · 5 questions
🌐 Network and Remote Work
SSH, rsync, curl, Tailscale, network triage
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Quiz
01Why use ed25519 instead of RSA for new SSH keys?
Hint
Smaller keys, modern cryptography, sane fallback only for ancient servers.
02What does
ssh -L 5432:localhost:5432 dbserver do?Hint
Read it as: open a port locally that gets piped through ssh to a remote address.
03Why always rsync with
--dry-run first when using --delete?Hint
Mirror mode is destructive; preview before committing.
04When should you reach for HTTPie over curl?
Hint
One is friendlier at the prompt; the other is universally available.
05What's the right triage order when a website seems unreachable?
Hint
Walk the network stack from IP up to HTTP, one layer at a time.
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