The SPS exam asks one question in many disguises: when several Scrum Teams build one product, what does Nexus add to Scrum, and why? You get 40 questions and 60 minutes, and you need 85% (34 correct answers) to pass. The questions come from the Nexus Guide and solid Scrum knowledge, so the fastest route is to learn the guide's few additions precisely rather than memorise scaling jargon.

What does the SPS test actually ask about the Nexus Framework?
The Scrum.org Scaled Professional Scrum (SPS) assessment checks whether you can explain how a group of Scrum Teams works from one Product Backlog to deliver one Integrated Increment. That is the whole territory. It is narrower than most people expect, because Nexus deliberately adds very little to Scrum. The guide describes itself as extending Scrum only where absolutely necessary to minimise and manage dependencies between multiple Scrum Teams.
In practice the questions fall into four families: