220-1201 Practice Question: A technician is selecting a CPU for a compact…

Answer analysis

Option-by-option breakdown

For each option: why learners choose it and why it is or isn't the right answer here.

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  High clock speed

  Why it's wrong here

  High clock speed directly correlates with increased power consumption and heat generation within a CPU. Higher clock frequencies require more voltage and result in more frequent switching of transistors, leading to a substantial increase in thermal output. For a compact system where thermal dissipation is a significant challenge, selecting a CPU with a high clock speed would necessitate robust active cooling solutions, making passive cooling difficult or impossible and counteracting the benefits of a small form factor.

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  Integrated graphics

  Why it's wrong here

  Integrated graphics, while useful for reducing overall system size by eliminating the need for a discrete GPU, do not inherently dictate the CPU's thermal design power (TDP). A CPU with integrated graphics can still generate significant heat if its processing cores are powerful and operate at high frequencies. Therefore, the presence of integrated graphics is not a primary factor in selecting a CPU for passive cooling in a compact system, as the CPU's total heat output remains the critical concern.

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  Low TDP

  Why this is correct

  Low Thermal Design Power (TDP) is crucial for a compact system, especially when passive cooling is desired, because it directly indicates the maximum heat a CPU is expected to generate under typical workloads. A CPU with a low TDP produces less heat, making it significantly easier to dissipate that heat through passive means like a heatsink and chassis without relying on active cooling fans. This allows the CPU to operate safely within thermal limits in confined spaces with limited airflow.

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  Large L3 cache

  Why it's wrong here

  A large L3 cache primarily enhances CPU performance by providing faster access to frequently used data, thereby reducing latency to main memory. However, the power consumption and heat generation from cache memory are relatively minor compared to the CPU's processing cores and their clock speeds. While beneficial for performance, the size of the L3 cache has a minimal impact on the overall thermal output of the CPU and is not a primary consideration for thermal management in a compact system.