Week 3 Quiz :Introduction to TensorFlow for Artificial Intelligence, Machine Learning, and Deep Learning (DeepLearning.AI TensorFlow Developer Professional Certificate) Answers 2025
1. Question 1 — What does pooling do?
✅ Reduces information while keeping important spatial features
❌ Isolates features
❌ Combines them
❌ Makes them sharper
Explanation: Pooling downsamples an image but preserves dominant features.
2. Question 2 — Max pooling output size
After 2×2 pooling on 26×26 → 13×13.
✅ False
❌ True
3. Question 3 — How do convolutions improve recognition?
✅ They capture spatial features
❌ Make image clearer
❌ Make image smaller
❌ Make processing faster
4. Question 4 — 28×28 through 3×3 filter
You got this correct.
❌ False
✅ True
Explanation: Valid padding 28−3+1 = 26.
5. Question 5 — Convolutions’ impact on training
❌ Makes it faster
❌ No effect
✅ Depends on several factors
Explanation: Training speed depends on hardware, architecture, filter count, image size, etc.