COMPTIA A+ Practice Exam 2025 – 400 Free Practice Questions to Pass the Exam

Question: 1 / 525

What speed does a 4x CD data rate achieve?

150 KB/sec

300 KB/sec

600 KB/sec

A 4x CD data rate achieves a speed of 600 KB/sec. This is because "4x" refers to the maximum speed at which data is read from a CD, and "600 KB/sec" is the corresponding data transfer rate. Option A, 150 KB/sec, is too slow to be considered 4x. Option B, 300 KB/sec, is half of 4x. Option D, 1200 KB/sec, is twice the speed of 4x. Therefore, Option C is the correct answer.

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1200 KB/sec

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