In BFS, what is the order in which nodes are visited?
- Breadth-first
- Depth-first
- Random order
- Topological order
BFS (Breadth-First Search) visits nodes in a breadth-first order, exploring all the neighbors of a node before moving on to the next level of nodes. This ensures that nodes closer to the starting node are visited before nodes farther away, creating a level-by-level exploration of the graph.
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