Datadog Fundamentals free question 3 / 10 · Domain 6: Data Visualization & Utilization
Which dashboard feature saves time when you switch the from tag on graphs?
- Monitor downtimes
- Template variables
- Event overlays
- Host map filtering
Show the answer and explanation
Answer: B
Why this is correct
The Dashboards section says: "Use template variables to save time switching the from tag on graphs in your dashboard." For example, a service template variable represents the service tag key, and you add $service to the from text box of the graph query.
Why the other options are wrong
"Event overlays" … Event overlays draw matching events as vertical bars on a graph. They add context to a graph but do not change its from tag.
"Host map filtering" … The host map is filtered with the Filter by text box on an Infrastructure page, not from a dashboard graph.
"Monitor downtimes" … Downtimes mute monitor notifications. They have nothing to do with the tags in a graph query.
Key point
One template variable on the dashboard changes the scope of every graph that references it, so you pick a value once instead of editing each from box.
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