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Question 33 Choose which answer is true about a leaf in a tree data structure where the tree has at least two nodes in it: Tim Atte O it may have one or more parent nodes. 511 O Any siblings would also be leaves. ub O It has no parent node but may have one or more child nodes. O It may have one or more siblings. D Question 34 Choose all of the following that are true about a Binary Tree data structure. O There is typically a "push" method. O There is typically a "right" variable. O There is typically a "pop" method. O There is typically a "left" variable. Question 35 A Merkle Tree is formed from the leaves first and then working through to finally find the Merkle Root, and each node that is not a leaf contains a hash of its two child node hashes.

Question 33 Choose which answer is true about a leaf in a tree data structure where the tree has at least two nodes in it: Tim Atte O it may have one or more parent nodes. 511 O Any siblings would also be leaves. ub O It has no parent node but may have one or more child nodes. O It may have one or more siblings. D Question 34 Choose all of the following that are true about a Binary Tree data structure. O There is typically a "push" method. O There is typically a "right" variable. O There is typically a "pop" method. O There is typically a "left" variable. Question 35 A Merkle Tree is formed from the leaves first and then working through to finally find the Merkle Root, and each node that is not a leaf contains a hash of its two child node hashes.

Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Question 33 Choose which answer is true about a leaf in a tree data structure where the tree has at least two nodes in it: Tim Atte O It may have one or more parent nodes. 511 O Any siblings would also be leaves. t Hub O It has no parent node but may have one or more child nodes. O t may have one or more siblings. Question 34 Choose all of the following that are true about a Binary Tree data structure. O There is typically a "push" method. O There is typically a "right" variable. O There is typically a "pop" method. O There is typically a "left" variable. Question 35 A Merkle Tree is formed from the leaves first and then working through to finally find the Merkle Root, and each node that is not a leaf contains a hash of its two child node hashes. O True O False
Transcribed Image Text:Question 33 Choose which answer is true about a leaf in a tree data structure where the tree has at least two nodes in it: Tim Atte O It may have one or more parent nodes. 511 O Any siblings would also be leaves. t Hub O It has no parent node but may have one or more child nodes. O t may have one or more siblings. Question 34 Choose all of the following that are true about a Binary Tree data structure. O There is typically a "push" method. O There is typically a "right" variable. O There is typically a "pop" method. O There is typically a "left" variable. Question 35 A Merkle Tree is formed from the leaves first and then working through to finally find the Merkle Root, and each node that is not a leaf contains a hash of its two child node hashes. O True O False
Question 36 Which one of the following is true about SHA 256 Hashes: O They include letters and numbers, and the letters can only be a through f. O They are always 62 characters. b O The hash of any string will only be different if you change at least 3 or more characters in the original string being hashed.
Transcribed Image Text:Question 36 Which one of the following is true about SHA 256 Hashes: O They include letters and numbers, and the letters can only be a through f. O They are always 62 characters. b O The hash of any string will only be different if you change at least 3 or more characters in the original string being hashed.
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