Data Transfer Rates — CompTIA A+ Core 1 (220-1101) Practice Questions

Data transfer rates quantify how quickly data moves across an interface or over a network link, and the CompTIA A+ Core 1 exam expects you to recall the rated speeds for major storage interfaces, USB generations, and wired or wireless networking standards. Comparing these rates helps technicians identify bottlenecks, for example recognizing that a SATA III drive is limited to roughly 600 MB/s while an NVMe drive on PCIe can exceed 3,500 MB/s. Accurate knowledge of transfer rates is also required to answer scenario questions about selecting components that meet a customer's performance requirements.

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