O Level · Computer Science · Hard level · 7 questions
The Internet & Its Uses: Exam Style
How a page reaches your browser, HTTPS and certificates, cyber threats and the measures against them, the section where every threat must be paired with a specific defence. This quiz is the hardest level, with O Level exam-style questions that mix the ideas together. 7 questions (multiple choice), marked the moment you finish, with the reason for every answer.
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