Which of the following traversal methods can be used to print the nodes of a bin

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Question: Which of the following traversal methods can be used to print the nodes of a binary tree level by level?

Options:

Correct Answer: Level-order

Solution:

Level-order traversal visits nodes level by level, making it suitable for printing nodes in that order.

Which of the following traversal methods can be used to print the nodes of a binary tree level by level?

Which of the following traversal methods can be used to print the nodes of a binary tree level by level?

Step 1: Understand what a binary tree is. A binary tree is a structure where each node has at most two children.
Step 2: Learn about traversal methods. Traversal methods are ways to visit all the nodes in a tree.
Step 3: Identify level-order traversal. Level-order traversal means visiting all nodes at the current level before moving to the next level.
Step 4: Realize that level-order traversal is done using a queue. This helps keep track of which nodes to visit next.
Step 5: Conclude that level-order traversal is the method used to print nodes of a binary tree level by level.

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