CompTIA A+ Certification Core 1 (220-1101) - Network Card Troubleshooting

The video tutorial covers the evolution of network interface cards (NICs), from standalone cards to built-in components on motherboards and laptops. It explains how to manage network settings using Device Manager, focusing on speed and duplex settings, which are typically set to auto negotiation. The tutorial also discusses Wake on LAN, a feature that allows computers to be turned on remotely using a magic packet. Finally, it covers the role of link lights in troubleshooting network connectivity, emphasizing the importance of checking both the device and switch for proper connection.

What is a network interface card (NIC) and what is its primary function?

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What are some common settings found in the properties of a NIC?

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Describe the difference between full duplex and half duplex in network communication.

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What is Wake on LAN and how does it function?

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What steps should be taken if a network card is not showing up in device manager?

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Explain the significance of link lights in network connectivity.

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How can you determine the speed at which a network card is running?

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