Which of the following is a valid metric name?
A. 99_goroutines
B. go_goroutines
C. go routines
D. go.goroutines
正解:B
解説: (Pass4Test メンバーにのみ表示されます)
質問 2:
What should you do with counters that have labels?
A. Save their state between application runs so you can restore their last value on startup.
B. Make sure every counter with labels has an extra counter, aggregated, without labels.
C. Investigate if you can move their label value inside their metric name to limit the number of labels.
D. Instantiate them with their possible label values when creating them so they are exposed with a zero value.
正解:D
解説: (Pass4Test メンバーにのみ表示されます)
質問 3:
Which PromQL statement returns the sum of all values of the metric node_memory_MemAvailable_bytes from 10 minutes ago?
A. offset sum(node_memory_MemAvailable_bytes[10m])
B. sum(node_memory_MemAvailable_bytes) offset 10m
C. sum(node_memory_MemAvailable_bytes) setoff 10m
D. sum(node_memory_MemAvailable_bytes offset 10m)
正解:D
解説: (Pass4Test メンバーにのみ表示されます)
質問 4:
Given the metric prometheus_tsdb_lowest_timestamp_seconds, how do you know in which month the lowest timestamp of your Prometheus TSDB belongs?
A. prometheus_tsdb_lowest_timestamp_seconds % month
B. (time() - prometheus_tsdb_lowest_timestamp_seconds) / 86400
C. format_date(prometheus_tsdb_lowest_timestamp_seconds,"%M")
D. month(prometheus_tsdb_lowest_timestamp_seconds)
正解:B
解説: (Pass4Test メンバーにのみ表示されます)
質問 5:
How do you configure the rule evaluation interval in Prometheus?
A. You can configure the evaluation interval in the scraping job configuration file and in the command-line flags.
B. You can configure the evaluation interval in the service discovery configuration and in the command-line flags.
C. You can configure the evaluation interval in the Prometheus TSDB configuration file and in the rule configuration file.
D. You can configure the evaluation interval in the global configuration file and in the rule configuration file.
正解:D
解説: (Pass4Test メンバーにのみ表示されます)
質問 6:
What does scrape_interval configure in Prometheus?
A. It defines how often to send alerts.
B. It defines how frequently to scrape targets.
C. It defines how frequently to evaluate rules.
D. It defines how often to refresh metrics.
正解:B
解説: (Pass4Test メンバーにのみ表示されます)
質問 7:
What is considered the best practice when working with alerting notifications?
A. Make sure to generate alerts on every metric of every component of the stack.
B. Minor alerts are as important as major alerts and should be treated with equal care.
C. Have as few alerts as possible by alerting only when symptoms might become externally visible.
D. Have as many alerts as possible to catch minor problems before they become outages.
正解:C
解説: (Pass4Test メンバーにのみ表示されます)
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小田** -
2週間前までLinux Foundation製品にさわったことすらなかった私ですが、評判の良かったこの問題集で勉強して合格する事ができました。
全く0からのスタートだったので、一通りテキストを学習したあと、すべて暗記するまでひたすら模擬試験に挑戦しました。
ともて役に立ちました。ありがとうございました。