PT0-002 Question #614: Real Exam Question with Answer & Explanation

Question

A penetration tester is writing a web scraper to process a list of more than 100.000 URLs: Which of the following script snippets should the tester use for the best performance?

Options

• AOption A
• BOption B
• COption C
• DOption D

Explanation

For processing a large number of URLs, the best performance is achieved through asynchronous or parallel processing.

Common mistakes.

• A. Option A likely represents a sequential processing approach, which would be slow for 100,000 URLs as each request waits for the previous one to complete.
• B. Option B likely represents a sequential processing approach, which would be slow for 100,000 URLs as each request waits for the previous one to complete.
• C. Option C likely represents a sequential processing approach, which would be slow for 100,000 URLs as each request waits for the previous one to complete.

Concept tested. Web scraping performance, concurrent programming

Reference. https://docs.python.org/3/library/asyncio.html

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