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CompTIA A+ 220-1101
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CompTIA A+ 220-1101 Practice Question

A technician needs to replace a faulty RAM module in an older workstation. The motherboard supports DDR3 memory with a maximum frequency of 1600MHz. Which of the following RAM modules would be the BEST fit for this motherboard?

DDR3 1866MHz
DDR3 1333MHz
DDR3 1600MHz
DDR2 1600MHz

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Answer Description

The correct answer is the 'DDR3 1600MHz' module, as it matches the maximum supported frequency by the older workstation's motherboard. Installing a module with a higher frequency like 'DDR3 1866MHz' or a lower frequency like 'DDR3 1333MHz' would either potentially create incompatibility issues or degrade performance. Using a different RAM type, such as 'DDR2', would physically not fit in the DDR3 slot due to different notches and key placements on the DIMM compared to DDR3, preventing proper installation.

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What does DDR stand for in RAM, and how does it impact performance?

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What are the physical differences between DDR2 and DDR3 RAM that affect installation?

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CompTIA A+ 220-1101

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