• Every scenario on one page, in the same order: the question as an interviewer asks it, the terminal output you'd see, the commands to run, the likely causes, the fix (with YAML), how to prevent it, and a 20-second answer plus the follow-up question
• The 4-command loop (get, describe, logs --previous, events) and a table mapping each pod status to its layer
• What exit codes 0, 1, 127, 137 and 143 mean
• 4 revision pages: all 50 questions with one-line answers