The core of this process is the sprint. This has a fixed length of max one month, but it can also be less than one month (most sprints are about two weeks). You choose the size at the start of the project, and then you have this time-boxed event for the rest of the project. Time-boxing is necessary for consistency.


All the work necessary (Sprint Planning, Daily Scrums, Sprint Review, and Sprint Retrospective) for achieving the sprint goal is done in the sprint. 

Important things about sprint are:

  • When a Sprint end, another sprint start;
  • There isn’t a sprint 0, all the sprints have the same structure;
  • A sprint could be canceled if the Sprint Goal becomes obsolete (but only the product owner can do that).

From the scrum.org guide we also have that:

No changes are made that would endanger the Sprint Goal;
Quality does not decrease;
The Product Backlog is refined as needed; and,
The scope may be clarified and renegotiated with the Product Owner as more is learned.

Scrum guide 2020 – Sprint

For the exam you need to remember:

  • The sprint is timeboxed at max one month or less;
  • When a Sprint end, another sprint start;
  • There isn’t a sprint 0; all the sprints have the same structure;
  • A sprint could be canceled if the Sprint Goal becomes obsolete;
  • Only the product owner can cancel a sprint.
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