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Comptia a+ Study Guide 220-701

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Comptia a+ Study Guide 220-701
A+ Study Guide (220-701)
This is our study guide for CompTIA's A+ certification exam (220-701). We hope you find this guide useful in your studies. Listed below is the breakdown of the test percentages by domain, which should help prioritize your studying:
Domain Hardware Troubleshooting, Repair & Maintenance Operating System and Software Networking Security Operational Procedure Percentage of Examination 27% 20% 20% 15% 8% 10% 100%

1.0 2.0 3.0 4.0 5.0 6.0 Total

Domain 1.0: Hardware Domain 1.1: Categorize storage devices and backup media  FDD: Floppy disk drive. Magnetic storage device that uses a read/write head to read, record and erase data onto a floppy disk. Data is stored in binary fashion (0s and 1s). Standard data capacity for floppy disks is 1.44 megabytes (MB), although capacities ranging from 360 kilobytes (KB) to 2.88 MB were available over the lifetime of the technology. Considered obsolete since the PC99 standards, although still available on legacy systems and some specialty machines. HDD: Hard disk drive. Basic unit of permanent storage for computers. Works on same principle as floppy drives, except much larger capacities (< 1 terabyte (TB) currently) and the disks are solid platters. Majority of hard drives use magnetic storage and mechanical spindles and armatures, which make hard drives a vulnerable point for failure. Common interface types for hard drives include SCSI, EIDE and the current standard, SATA. In external versions, USB and IEEE 1394 (known as FireWire on Apple systems) interfaces are also common. o Currently, more computers are being released with solid state drives or devices (SSD), which use non-volatile flash memory to store data, similar to USB flash drives. SSDs are much faster, are less prone to failure since they have no mechanical parts and last longer. However, they are far more expensive, and not presently available in the same capacities as traditional hard drives. Apple uses SSD devices in many of their newer

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