Module checkpoint

Text processing and log checking knowledge check

Answer every question from your current understanding. After submission, compare your reasoning with the explanation and revisit any weak concept.

This check covers Text processing and log checking. Read it first if you have not.

5 QuestionsOne Answer eachImmediate ScoreDetailed Explanations
Read→Reason→Select→Review
Question 1 of 5Which extended regular expression matches `TEST PASSED` or `TEST FAILED` at the end of a line?
Question 2 of 5Which grep option is best inside an `if` that only needs to know whether a match exists?
Question 3 of 5Why is a log with no `TEST PASSED` line counted as a failure even without ERROR lines?
Question 4 of 5What does `awk '/^RESULT/ { n[$3]++ } END { for (k in n) print k, n[k] }'` print for lines like `RESULT fifo_basic PASS`?
Question 5 of 5Why should warning waivers be narrow regular expressions rather than a word such as `Warning`?

Review every selection before submitting. You can retry after reading the explanations.