Free Linux Foundation PCA Exam Dumps Questions & Answers

Which of the following PromQL queries is invalid?

• A.  max on (instance) (up)
• B.  max by (instance) up
• C.  max without (instance) up
• D.  max without (instance, job) up

Which of the following signals belongs to symptom-based alerting?

• A.  API latency
• B.  Disk space
• C.  Database availability
• D.  CPU usage

Which Alertmanager feature allows you to temporarily stop notifications for a specific alert?

• A.  Inhibition
• B.  Deduplication
• C.  Grouping
• D.  Silence

What is the difference between client libraries and exporters?

• A.  Exporters are written in Go. Client libraries are written in many languages.
• B.  Exporters run next to the services to monitor, and use client libraries internally.
• C.  Exporters and client libraries mean the same thing.
• D.  Exporters expose metrics for scraping. Client libraries push metrics via Remote Write.

Where does Prometheus store its time series data by default?

• A.  In an external database such as InfluxDB.
• B.  In etcd.
• C.  In-memory only.
• D.  In an embedded TSDB on local disk.