CompTIA PenTest+ PT0-002 Practice Question
Which data structure is non-linear and consists of nodes connected by edges, where nodes may have zero or more child nodes, typically used to represent hierarchical information?
Tree
List
Stack
Graph
Which data structure is non-linear and consists of nodes connected by edges, where nodes may have zero or more child nodes, typically used to represent hierarchical information?
Tree
List
Stack
Graph
A tree is a non-linear data structure that consists of nodes connected by edges. Each node in a tree can have zero or more child nodes, and it is a way to represent hierarchical structures such as directory structures or organizational structures. Binary trees are a special case with a maximum of two children, but 'tree' generally refers to any hierarchical node structure with any number of children, hence making it the correct answer. A graph can be cyclic and doesn't necessarily follow a hierarchical structure. A list and a stack are linear data structures, which differ significantly from the non-linear, hierarchical nature of trees.
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