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Python: Which statement about Queues and Breadth-First Search is the strongest interview answer?

Difficulty:

Easy

Questions:

1

Time Limit:

2 minutes

Passing Score:

100%

Question

Which statement about Queues and Breadth-First Search is the strongest interview answer?

  1. Queues and Breadth-First Search is mostly a naming style choice and has little effect on runtime behavior or design tradeoffs.
  2. Queues and Breadth-First Search exists mainly to reduce the number of files in a Python project.
  3. Breadth-first search uses a queue to process nodes in expanding layers from the starting point.
  4. Queues and Breadth-First Search matters only for frontend scripting and not for backend or automation code.

Hint

Start with the core rule behind Queues and Breadth-First Search.

Answer and rationale

Correct answer: C. Breadth-first search uses a queue to process nodes in expanding layers from the starting point.

Breadth-first search uses a queue to process nodes in expanding layers from the starting point. This is the base concept interviewers commonly test first.

Track: Python