Compare and contrast Scrum Alliance and Scrum.org regarding their certifications, training, and approach to Scrum.

a$.$

Scrum Alliance focuses on process framework, while Scrum.org emphasizes principles.

b$.$

Scrum Alliance and Scrum.org offer identical certifications and training.

c$.$

Scrum Alliance offers a single certification, while Scrum.org provides multiple certification levels.

d$.$

Scrum Alliance provides free training, while Scrum.org requires paid training.