# Unit 5 · Process delivery, UDP, TCP and SCTP · optional practice

Subject: Computer Networks

Exam: TEE

Reader: https://deep-learning-study-room.vercel.app/cn/#tee/practice/transport

Canonical: https://deep-learning-study-room.vercel.app/read/cn/tee/practice-chapter/transport/

Optional extension · no matching calculation in the two supplied papers

1. [UDP length calculation · example 1](https://deep-learning-study-room.vercel.app/read/cn/tee/practice/transport--udp-size-1/)
2. [UDP length calculation · example 2](https://deep-learning-study-room.vercel.app/read/cn/tee/practice/transport--udp-size-2/)
3. [UDP length calculation · example 3](https://deep-learning-study-room.vercel.app/read/cn/tee/practice/transport--udp-size-3/)
4. [TCP sequence and ACK arithmetic · example 1](https://deep-learning-study-room.vercel.app/read/cn/tee/practice/transport--tcp-seq-1/)
5. [TCP sequence and ACK arithmetic · example 2](https://deep-learning-study-room.vercel.app/read/cn/tee/practice/transport--tcp-seq-2/)
6. [TCP sequence and ACK arithmetic · example 3](https://deep-learning-study-room.vercel.app/read/cn/tee/practice/transport--tcp-seq-3/)