A+ Diagnosing Network Card and Adapter Failures Quiz

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| By Thames
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| Questions: 20 | Updated: Aug 12, 2026
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1. The network adapter shows 'Ethernet (No Network Cables Connected)' status. Which diagnostic step is most useful?

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About This Quiz
A+ Diagnosing Network Card and Adapter Failures Quiz - Quiz

This quiz tests your ability to diagnose and troubleshoot network interface card (NIC) and adapter failures. You will evaluate symptoms, identify hardware and driver issues, and apply troubleshooting techniques used in real-world IT support. Master the skills needed to resolve connectivity problems and restore network functionality efficiently.

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2. A computer cannot obtain an IP address via DHCP. The network adapter is present and enabled. What is the next diagnostic step?

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3. After replacing a network adapter, Device Manager shows 'Code 43 - Windows has stopped this device.' What should you do?

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4. The network adapter link light is OFF even though the cable is connected. What does this indicate?

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5. An older network adapter driver is causing connection instability. What is the recommended action?

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6. A USB network adapter is not recognized. Which troubleshooting step should be performed first?

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7. When checking Device Manager, the network adapter shows status 'This device is disabled.' What is the quickest resolution?

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8. A network adapter works in Safe Mode but fails in normal Windows. What is the most probable cause?

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9. Running ipconfig shows APIPA address (169.254.x.x) instead of a valid DHCP address. What does this indicate?

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10. A newly installed network adapter is not detected after reboot. What is the most logical troubleshooting sequence?

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11. A user reports no network connectivity. Device Manager shows a yellow exclamation mark on the network adapter. What is the most likely cause?

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12. A network adapter driver update is available but the system still has no connectivity. What should you verify?

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13. When using Device Manager, you notice multiple network adapters but only one should be present. What action is appropriate?

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14. A computer has intermittent network connectivity. The link light on the NIC is blinking irregularly. What is a likely cause?

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15. You receive an error 'This device cannot start (Code 10)' for a network adapter. What should you attempt?

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16. Which of the following indicates a hardware failure of a network adapter rather than a driver issue?

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17. A network adapter shows a status of 'Unknown Device' in Device Manager. What is the most appropriate next step?

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18. When troubleshooting a NIC, you discover the device is disabled in Device Manager. How do you re-enable it?

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19. A network adapter is physically present but not recognized by the operating system. What should you check first?

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20. Which command displays the MAC address and IP configuration on a Windows system?

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The network adapter shows 'Ethernet (No Network Cables Connected)'...
A computer cannot obtain an IP address via DHCP. The network adapter...
After replacing a network adapter, Device Manager shows 'Code 43 -...
The network adapter link light is OFF even though the cable is...
An older network adapter driver is causing connection instability....
A USB network adapter is not recognized. Which troubleshooting step...
When checking Device Manager, the network adapter shows status 'This...
A network adapter works in Safe Mode but fails in normal Windows. What...
Running ipconfig shows APIPA address (169.254.x.x) instead of a valid...
A newly installed network adapter is not detected after reboot. What...
A user reports no network connectivity. Device Manager shows a yellow...
A network adapter driver update is available but the system still has...
When using Device Manager, you notice multiple network adapters but...
A computer has intermittent network connectivity. The link light on...
You receive an error 'This device cannot start (Code 10)' for a...
Which of the following indicates a hardware failure of a network...
A network adapter shows a status of 'Unknown Device' in Device...
When troubleshooting a NIC, you discover the device is disabled in...
A network adapter is physically present but not recognized by the...
Which command displays the MAC address and IP configuration on a...
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