Practice Quiz

CompTIA 220-802 Certification Practice Test

Category - 802

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John has configured device A to use IRQ 3. Which of the following will device A potentially conflict with?
  1. COM2
  2. LPT1
  3. IP3
  4. LPT2
Explanation
Answer: A - COM2 uses IRQ 3 by default. If device A is assigned IRQ 3, it will conflict with COM2.

Key Takeaway: An IRQ can be assigned to only one resource at one point in time. Some of the resources on the PC take up a specific IRQ by default. If these default IRQs are assigned to some other resource manually, it may cause a conflict when the resource using this IRQ is added.
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