Final review · Put it all together
Connect Galileo’s signals and services
5 questions · About 8 minutes · Learn at your own pace
Your goalDistinguish milestones, range calculations, system roles and the limits of service claims.
Challenge points — / 100
10 per answer + 50 for completing the challenge0 of 5 answered correctly
Use what you learned across the course. Revisit a lesson whenever you need it; your answers will wait here. Retries never cost points.
1. A civilian navigation program
10 points2. Clocks, ranges and four unknowns
10 points3. Space, ground and the user receiver
10 points4. Accuracy, authentication and rescue services
10 points5. Accuracy, authentication and rescue services
10 pointsThe connections you made
Bring the whole story together.
Answer all 5 questions correctly to earn the 50-point completion bonus. Your correct answers are kept as you go.
Use Practice again to retry any completed question without changing your result.