
Explanation:
To configure a dashboard that will provide information on the metrics you mentioned, you can use the following types of widgets:
* How long it takes to close a work item: Cycle time. This widget shows the average time it takes for work items to go from a specified start state to a specified end state1.
* The number of completed backlog items: Velocity. This widget shows the amount of work delivered by a team within a sprint or iteration2.
* How long it takes to restore failed services: Lead time. This widget shows the average time it takes for work items to go from creation to completion3.