All challenges
Multiple ChoiceBeginner 45s

Layered architecture direction

In a classic 3-layer architecture (presentation, business, data), which dependency is acceptable?
Options
  1. 1Data depends on presentation
  2. 2Business depends on presentation
  3. 3All three layers mutually depend on each other
  4. 4Presentation depends on business depends on data

Think you can answer under pressure?

Get matched and answer live questions in 3-minute 1v1 battles. Elo ranking, badge tiers and bragging rights on the line.

Play this in a 3-minute battle