PCA (Prometheus Certified Associate) sample exam question with answer 22

Question:
Which of the following metrics are used to measure the disk usage of a server? (Select all that apply)

1. node_disk_free_bytes
2. node_disk_io_time_seconds_total
3. node_disk_read_bytes_total
4. node_filesystem_avail_bytes
5. node_network_receive_bytes_total

Answer:
A, D - The node_disk_free_bytes metric measures the amount of free disk space available on the server, while the node_filesystem_avail_bytes metric measures the amount of free disk space available on a particular filesystem.
Both these metrics help in identifying the storage utilization of the server.