GATE DA 2025 Q26: Bayesian networks: exact vs approximate inference
- Artificial Intelligence
- 1 mark
- MSQ
- No negative marking
Question
Which of the following statements is/are correct in a Bayesian network?
Try it: multiple select: one or more correct options
Select all correct options. No negative marking, no partial marks.
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Answer: C, D (official GATE 2025 final answer key)
Concept used: Exact inference (variable elimination) vs sampling-based approximate inference.
First step: Sort the methods: variable elimination computes probabilities exactly by summing out variables, while Gibbs and rejection sampling estimate them from samples.
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Source: official GATE 2025 DA question paper and final answer key, organised by IIT Roorkee. Question paper · Answer key