21. |
Breadth-first search is not optimal when all step costs are equal, because it always expands the shallowest unexpanded node.
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Answer:
Option (b) |
22. |
DFS is ______ efficient and BFS is __________ efficient.
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Answer:
Option (a) |
23. |
The main idea of Bidirectional search is to reduce the time complexity by searching two way simultaneously from start node and another from goal node.
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Answer:
Option (a) |
24. |
What is the other name of informed search strategy?
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Answer:
Option (b) |
25. |
Which search uses the problem specific knowledge beyond the definition of the problem?
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Answer:
Option (a) |
26. |
Which function will select the lowest expansion node at first for evaluation?
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Answer:
Option (b) |
27. |
What is the heuristic function of greedy best-first search?
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Answer:
Option (c) |
28. |
Which search is complete and optimal when h(n) is consistent?
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Answer:
Option (d) |
29. |
Which is used to improve the performance of heuristic search?
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Answer:
Option (b) |
30. |
Which search method will expand the node that is closest to the goal?
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Answer:
Option (b) |