# February 2025 re-exam · complete solved paper

Subject: Deep Learning

Exam: TEE

Reader: https://deep-learning-study-room.vercel.app/#tee/guide/21

Canonical: https://deep-learning-study-room.vercel.app/read/dl/tee/guide/21/

1. [R25 Q1a · ML versus DL and architecture choice](https://deep-learning-study-room.vercel.app/read/dl/tee/section/tee-c21-s0/)
2. [R25 Q1b · Training and validation errors](https://deep-learning-study-room.vercel.app/read/dl/tee/section/tee-c21-s1/)
3. [R25 Q1c · CNN hierarchy and stride-two convolution](https://deep-learning-study-room.vercel.app/read/dl/tee/section/tee-c21-s2/)
4. [R25 Q1d · BPTT and recurrent strengths](https://deep-learning-study-room.vercel.app/read/dl/tee/section/tee-c21-s3/)
5. [R25 Q2a · Activation, ReLU and numeric outputs](https://deep-learning-study-room.vercel.app/read/dl/tee/section/tee-c21-s4/)
6. [R25 Q2b · Vanishing/exploding gradients and GRU](https://deep-learning-study-room.vercel.app/read/dl/tee/section/tee-c21-s5/)
7. [R25 Q3a · 4–3–2 forward pass and dropout](https://deep-learning-study-room.vercel.app/read/dl/tee/section/tee-c21-s6/)
8. [R25 Q3b · Four CNN design explanations](https://deep-learning-study-room.vercel.app/read/dl/tee/section/tee-c21-s7/)
9. [R25 Q4a · 64×64 CNN shape and parameter table](https://deep-learning-study-room.vercel.app/read/dl/tee/section/tee-c21-s8/)
10. [R25 Q4b · Bipolar AND perceptron](https://deep-learning-study-room.vercel.app/read/dl/tee/section/tee-c21-s9/)
11. [R25 Q5a · ResNet shortcut and Inception1×1](https://deep-learning-study-room.vercel.app/read/dl/tee/section/tee-c21-s10/)
12. [R25 Q5b · ReLU RNN state with declared orientation](https://deep-learning-study-room.vercel.app/read/dl/tee/section/tee-c21-s11/)
13. [R25 Q6a · 3–2–1 forward pass and update w7,w8](https://deep-learning-study-room.vercel.app/read/dl/tee/section/tee-c21-s12/)
14. [R25 Q6b · AdaGrad stagnation versus RMSProp](https://deep-learning-study-room.vercel.app/read/dl/tee/section/tee-c21-s13/)
15. [R25 Q7a · Long-text sentiment architecture](https://deep-learning-study-room.vercel.app/read/dl/tee/section/tee-c21-s14/)
16. [R25 Q7b · Transfer learning](https://deep-learning-study-room.vercel.app/read/dl/tee/section/tee-c21-s15/)
17. [R25 Q7c · Learning rate and two losses](https://deep-learning-study-room.vercel.app/read/dl/tee/section/tee-c21-s16/)