Skills required for CompTIA's test 220-301.

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Skills required for CompTIA's test 220-301.

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CompTIA has specified more than twenty objectives for CompTIA's test C220-301, which are grouped under six topics. Following are some important areas in which an individual should possess good knowledge before taking the C220-301 test:

1. Identifying the names, purpose, and characteristics, of system modules. System modules include motherboard, firmware, power supply, processor/CPU, memory, storage devices, display devices, adapter cards, ports, cases, and riser cards.


2. Identifying basic procedures for adding and removing field-replaceable modules for desktop and portable system components.
3. Identifying typical IRQs, DMAs, and I/O addresses, and procedures for altering these settings when installing and configuring devices such as ISA sound card, internal modems, floppy drive controllers, hard drive controllers, multimedia devices, NICs, and I/O ports.


4. Identifying the names, purposes, and performance characteristics, of standardized/common peripheral ports, associated cabling, and their connectors.


5. Identifying procedures for installing and configuring common IDE devices, SCSI devices, and peripheral devices, and recognize the associated cables.


6. Identifying procedures to optimize PC operations in cooling system, disk subsystem enhancements, specialized video cards, memory, and additional processors.


7. Determining the issues that must be considered when upgrading a PC. Determining how to upgrade system components.


8. Recognizing common problems associated with modules such as I/O ports and cables, motherboards, peripherals, computer case, storage devices and cables, cooling systems, processor /CPU, memory, display device, input devices, adapters, PCMCIA cards, batteries, and docking stations /port replicators. Identifying steps to isolate and troubleshoot the problems.


9. Identifying basic troubleshooting procedures and tools, and how to elicit problem symptoms from customers. Recognizing whether there is a hardware problem or a software problem.


10. Identifying the various types of preventive maintenance measures, products and procedures, and when and how to use them. These include ESD (Electrostatic Discharge) precautions and procedures, potential hazards and proper safety procedures relating to high-voltage equipment, power supply, and CRTs.


11. Identifying environmental protection measures and procedures, and when/how to use batteries, CRTs, chemical solvents and cans, and MSDS (Material Safety Data Sheet).


12. Describing basic characteristics of the popular CPU chips. Characteristics include voltage, speed, cache level I/II/III, sockets/slots, and VRM(s).


13. Identifying the types of RAM (Random Access Memory), form factors, and operational characteristics.


14. Identifying the popular types of motherboards, their components, and their architecture (bus structures).


15. Identifying the purpose of CMOS and troubleshoot problems related to CMOS configurations.


16. Identifying printer technologies, interfaces, and options/upgrades.


17. Recognizing common printer problems and techniques used to resolve them.


18. Identifying the common types of network cables, their characteristics, and connectors.


19. Identifying basic networking concepts including installing and configuring network cards, addressing, bandwidth, status indicators, protocols, full-duplex, half-duplex, cabling (twisted pair, coaxial, fiber optic, RS-232), and networking models.


20. Identifying common technologies available for establishing Internet connectivity and their characteristics.

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