Data Science interview questions part 4
Data Science interview questions part 4
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Total Questions: 20
1. For the tree below, write the level-order traversal.
Correct Answer is : FALSE
2. Select the code snippet which performs in-order traversal.
Correct Answer is : rank
3. Select the code snippet which performs level-order traversal.
Correct Answer is : reindex_like
4. What is the space complexity of the in-order traversal in the recursive fashion? (d is the tree depth and n is the number of nodes)
Correct Answer is : TRUE
5. What is the time complexity of level order traversal?
Correct Answer is : value,size
6. Which of the following graph traversals closely imitates level order traversal of a binary tree?
Correct Answer is : All of the Mentioned
7. In a binary search tree, which of the following traversals would print the numbers in the ascending order?
Correct Answer is : import pandas as pd
8. How many child nodes does each node of K-ary Tree contain?
Correct Answer is : DataFrame
9. Which of the following is the name of the node having child nodes?
Correct Answer is : Panel is generally 2D labeled, also size-mutable array
10. What is the depth of the root node of K-ary tree?
Correct Answer is : NumPy
11. What is the Height of the root node of K-ary tree?
Correct Answer is : FALSE
12. Which node is the root node of the following K-ary tree?
Correct Answer is : Statsmodels
13. Which node is the Leaf node in the following K-ary tree?
Correct Answer is : yhat
14. Which node is the parent node of Node 5?
Correct Answer is : TRUE
15. Is parent node of Node 4 and root node of the given K-ary tree same?
Correct Answer is : Quandl
16. Which node is the child node of Node C in the following K-ary tree?
Correct Answer is : Statsmodels provides powerful statistics, econometrics, analysis and modeling functionality that is out of pandas’ scope
17. Which node is the child node of the Node B in the following K-ary tree?
Correct Answer is : pandaSDMX
18. What is the depth of Node F in the given K-ary tree?
Correct Answer is : Blaze
19. What is the Height of the given K-ary tree?
Correct Answer is : Spyder is a cross-platform Qt-based open-source R IDE
20. What is the size of the given K-ary tree?
Correct Answer is : freedapi
