Which of the following is a real-world application of Depth-First Search (DFS)?

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Question: Which of the following is a real-world application of Depth-First Search (DFS)?

Options:

Correct Answer: Web crawling

Solution:

DFS is commonly used in web crawling to explore the links on a webpage deeply before backtracking to explore other links.

Which of the following is a real-world application of Depth-First Search (DFS)?

Which of the following is a real-world application of Depth-First Search (DFS)?

Step 1: Understand what Depth-First Search (DFS) is. It is a method for exploring or searching through data structures like trees or graphs.
Step 2: Think about how the internet is structured. Websites have many pages, and each page can have links to other pages.
Step 3: Consider how a web crawler works. It starts at one webpage and follows links to other pages.
Step 4: Realize that DFS allows the web crawler to go deep into one path of links before going back to explore other paths.
Step 5: Conclude that DFS is useful for web crawling because it helps to explore all links on a webpage thoroughly before moving on.

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