What is the relationship between the Product Backlog, the Release Backlog and the Sprint Backlog?

Question

Options

• AThe Product Backlog is a subset of the Sprint Backlog, which is a subset of the Release Backlog.
• BThe Release Backlog is a subset of the Product Backlog, which is a subset of the Sprint Backlog
• CThe Sprint Backlog is a subset of the Product Backlog, which is a subset of the Release Backlog.

• A
  17% (4)
• B
  8% (2)
• C
  75% (18)

Explanation

Option C is correct because in Scrum, the Product Backlog is the master list of all desired work for the entire product, the Release Backlog is carved out from it (a subset of items targeted for a specific release), and the Sprint Backlog is carved out further still - just the items the team commits to completing in a single sprint. Option A is backwards on two levels: no sprint can contain items beyond what's in the product backlog. Option B correctly identifies the Release Backlog as a subset of the Product Backlog, but then incorrectly claims the Product Backlog is a subset of the Sprint Backlog - in reality, a sprint contains only a small slice of work, never the whole product backlog.

Memory tip: Think of Russian nesting dolls - the Product Backlog is the biggest doll (all work ever), the Release Backlog fits inside it (work for one release), and the Sprint Backlog is the smallest doll (work for one sprint). Alphabetically, P → R → S, and the scope shrinks each time.

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