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CompTIA A+ 220-1101 Practice Question

Network interface cards are only capable of processing data at the layer 2 of the OSI model and cannot provide any layer 3 functionalities such as offloading.

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Answer Description

The statement is false. Modern NICs can perform tasks beyond simple frame transmission and reception. Some NICs have advanced capabilities such as TCP/IP offloading, where certain layer 3 tasks, like segmentation and reassembly, checksum calculations, and even encryption, can be offloaded from the CPU to the NIC, thus improving overall system performance by freeing up CPU resources for other tasks.

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CompTIA A+ 220-1101

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