# Q5(a) · BGP export policy

Subject: Computer Networks

Exam: TEE

Reader: https://deep-learning-study-room.vercel.app/cn/#tee/papers/paper-2023-jan-ai-reexam/q5a

Canonical: https://deep-learning-study-room.vercel.app/read/cn/tee/papers/paper-2023-jan-ai-reexam--q5a/

Exact historical variant. Current-syllabus questions solved; excluded topics and source limitations stated.

### Q5(a). A is a customer of B and C; B and C are peers. Stub networks W and V are customers of A. A wants incoming traffic for W through B only, but V through B or C. How should A advertise routes, and which AS routes does C receive? Justify. [10 marks]

### Answer

This historical topic is not named in the current six-unit syllabus. It is recorded for a complete paper inventory, but excluded from the required preparation and current-unit mark totals.