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Cambridge IGCSE Computer Science practice

What is the first action a web browser takes when a URL is entered?

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Show answerThe internet and the world wide web revisionRevise the key idea

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MCQ

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cambridge_mcq

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Topic

The internet and the world wide web

Exam-style question

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What is the first action a web browser takes when a URL is entered?.

  1. A.Check the cache
  2. B.Send a request to the web server
  3. C.Contact the DNS
  4. D.Render the HTML

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Paper 1 structured question: The internet and the world wide web

Paper 1Computer Systems2 marks

Description

Web Page Retrieval Process

When a user enters a URL, the browser checks its cache, contacts the DNS for the IP address, sends a request to the web server, and receives HTML to render the page.

  1. a

    Explain the role of the DNS in the web page retrieval process.

    Aim for approximately 2 distinct marking points.

    [2]