Splunk Fundamentals 1 Practice Exam

What do we achieve by using the command: index=network sourcetype=cisco_wsa_squid | stats avg(sc_bytes) as AverageBandwidth?

1. Calculates the average of source bytes across all events.

2. Calculates the total bytes transferred.

3. Counts the number of events.

4. Lists all individual bandwidth values.

The correct answer is: Calculates the average of source bytes across all events.

Using the command provided, we achieve the calculation of the average source bytes across all events that match the specified criteria. The `index=network sourcetype=cisco_wsa_squid` portion filters the data to only include events from the network index that have the specified sourcetype, which in this case is `cisco_wsa_squid`. The `stats avg(sc_bytes)` function then specifically aggregates the `sc_bytes` field (which represents the source bytes transferred) by calculating its average. The result of this command is that it summarizes the data by averaging the total `sc_bytes` from all the filtered events, giving us a single value termed as `AverageBandwidth`. This is useful for understanding the overall bandwidth usage, as it signifies how much data, on average, is being transferred in the monitored network scenario. The other choices reflect different statistical operations or results that are not produced by the command. The focus of the command’s functionality centers on obtaining the average, making it clear that the correct understanding is option A.