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CompTIA A+ 220-901

Category - Hardware

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A manager’s assistant wants to purchase an external hard drive that has a storage capacity of or near 500 GB and that can connect to computers using a wide variety of interfaces. For which of the following interface types is the assistant likely to find a compatible external hard drive? Choose three.

USB 2.0
Fire Wire 400
ATA/IDE
eSATA

Explanation

Answers: A, B, and D - While USB is the most common interface for external drives, FireWire- and eSATA-compatible external drives can also be found.

Key Takeaway: External SATA (eSATA) drives are a recently-developed (2004) type of SATA drive used for external connectivity. Most external hard-disk-drive cases with FireWire or USB interfaces have either PATA or SATA drives and use “bridges" to translate between the drives' interfaces and the enclosures' external (USB or FireWire) ports. This bridging incurs some inefficiency. While an eSATA interface connection may be faster, few devices have eSATA connectors.

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CompTIA A+ 220-901

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CompTIA A+ 220-901

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