Final test: Observability: metrics, alerts, logs

Question 1 of 18

Questions from the module quizzes of the Observability: metrics, alerts, logs track, 18 in all. The options are shuffled; correct answers and the review open on the result screen after the last question. With 80% correct or more, the whole track counts as passed, and a retake draws other questions from the same modules.

18 questions · threshold 80%Answers are reviewed on the result screen, after the last question.

Read the output

How much space is free in the root file system, according to this line?

$ curl -s localhost:9100/metrics | grep 'avail_bytes.*mountpoint="/"'
node_filesystem_avail_bytes{device="/dev/vda4",fstype="ext4",mountpoint="/"} 5.3628928e+09

About 5.4 GB.
About 5.4 MB.
About 4 GB — the 4 in the labels points to the fourth gigabyte.

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