Red-Black Tree Quiz

What is the color of the root node in a Red-Black Tree?

• Red

• Black

• Either Red or Black

• Undefined

What must be the color of a newly inserted node in a Red-Black Tree?

• Red

• Black

• Colorless

• Depends on the parent node

What is the black height of a Red-Black Tree?

• Number of black nodes from the root to any leaf

• Total height of the tree

• Number of red nodes in the tree

• Height of the root node

What is the initial step in the insertion operation of a Red-Black Tree?

• Check for adjacent red nodes

• Check if the tree is empty

• Rotate the tree

• Recolor the node

Which operation is NOT performed to maintain Red-Black Tree properties?

• Recolor

• Rotation

• Traversal

• None of the above

What is the preferred scenario for using a Red-Black Tree over an AVL Tree?

• Write-heavy applications

• Read-heavy applications

• Balanced read and write operations

• Neither, AVL is always preferred

What is the time complexity of search operations in a Red-Black Tree?

• O(1)

• O(n)

• O(log n)

• O(n^2)

What happens when a new node is inserted, and its parent is black?

• No further operations are needed

• Recoloring is performed

• Rotation is performed

• Tree properties are violated

What distinguishes Red-Black Trees from general binary search trees?

• Faster insertions and deletions

• Nodes are colored red or black

• Only black nodes are inserted

• It is a type of AVL Tree

How does a Red-Black Tree represent a 2-3-4 tree?

• By using black nodes to represent 2-nodes

• By using red nodes for connecting values in the same node

• Both A and B

• None of the above