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Python: In Python, which comparison about Queues and Breadth-First Search is accurate?

Difficulty:

Easy

Questions:

1

Time Limit:

2 minutes

Passing Score:

100%

Question

In Python, which comparison about Queues and Breadth-First Search is accurate?

  1. There is no practical difference in behavior, performance, or maintainability when Queues and Breadth-First Search is involved.
  2. The oldest option related to Queues and Breadth-First Search is always the right production choice regardless of workload or context.
  3. Differences around Queues and Breadth-First Search are mostly cosmetic, so correctness and debugging quality do not really change.
  4. BFS preserves shortest-path-by-edge-count behavior in unweighted graphs, while DFS explores depth before breadth.

Hint

Focus on the behavior or tradeoff, not just the keyword.

Answer and rationale

Correct answer: D. BFS preserves shortest-path-by-edge-count behavior in unweighted graphs, while DFS explores depth before breadth.

BFS preserves shortest-path-by-edge-count behavior in unweighted graphs, while DFS explores depth before breadth. This is the comparison that usually separates memorization from understanding.

Track: Python