PCA (Prometheus Certified Associate) sample exam question with answer 7

Question:
Which of the following metrics is used to measure the amount of network traffic sent and received by an application?

1. network_io_bytes
2. network_packets_total
3. network_interface_error
4. network_transmission_rate

Answer:
A - the network_io_bytes metric in Prometheus measures the amount of network traffic sent and received by an application