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CompTIA A+ Core Hardware Service Technician

EXAM CODE-220-221

Objectives

Installation, Configuration and Upgrading =30%

Diagnosing and Troubleshooting=30%

Preventative Maintenance=5%

Motherboard/Processors/Memory=15%

Printers=10%

Basic Networking=10%

Domain 1.0 Installation, Configuration, and Upgrading

This domain requires the knowledge and skills to identify, install, configure, and upgrade microcomputer
modules and peripherals, following established basic procedures for system assembly and disassembly of
field replaceable modules. Elements included are listed below with each test objective.

1.1 Identify basic terms, concepts, and functions of system modules, including how each module should work during normal operation and during the boot process.
Examples of concepts and modules are:
1.2 Identify basic procedures for adding and removing field replaceable modules for both desktop and portable systems.
Examples of modules:
Portable system components
AC adapter
Digital Camera
DC controller
LCD panel
PC Card
Pointing Devices

1.3 Identify available IRQs, DMAs, and I/O addresses and procedures for device installation and configuration.
Content may include the following:
1.4 Identify common peripheral ports, associated cabling, and their connectors.
Content may include the following:
Examples of types of connectors:
1.5 Identify proper procedures for installing and configuring IDE/EIDE devices.
Content may include the following:
1.6 Identify proper procedures for installing and configuring SCSI devices.
Content may include the following:
1.7 Identify proper procedures for installing and configuring peripheral devices.
Content may include the following:
Portables
Docking stations
PC cards
Port replicators
Infrared devices

1.8 Identify hardware methods of upgrading system performance, procedures for replacing basic subsystem components, unique components and when to use them.

Content may include the following:
Portable Systems
Battery
Hard Drive
Types I, II, III cards
Memory

Domain 2.0 Diagnosing and Troubleshooting
This domain requires the ability to apply knowledge relating to diagnosing and troubleshooting common module problems and system malfunctions. This includes knowledge of the symptoms relating to common problems.

Content Limits

2.1 Identify common symptoms and problems associated with each module and how to troubleshoot and isolate the problems.

Content may include the following:


2.2 Identify basic troubleshooting procedures and how to elicit problem symptoms from customers.

Content may include the following:


Domain 3.0 Preventive Maintenance
This domain requires the knowledge of safety and preventive maintenance. With regard to safety, it includes the potential hazards to personnel and equipment when working with lasers, high voltage equipment, ESD, and items that require special disposal procedures that comply with environmental guidelines. With regard to preventive maintenance, this includes knowledge of preventive maintenance products, procedures, environmental hazards, and precautions when working on microcomputer systems.

Content Limits

3.1 Identify the purpose of various types of preventive maintenance products and procedures and when to use them.

Content may include the following:


3.2 Identify issues, procedures and devices for protection within the computing environment, including people, hardware and the surrounding workspace.

Content may include the following:

Special disposal procedures that comply with environmental guidelines.
Batteries
CRTs
Toner kits/cartridges
Chemical solvents and cans
MSDS (Material Safety Data Sheet)
ESD (Electrostatic Discharge) precautions and procedures
What ESD can do, how it may be apparent, or hidden
Common ESD protection devices
Situations that could present a danger or hazard

Domain 4.0 Motherboard/Processors/Memory
This domain requires knowledge of specific terminology, facts, ways and means of dealing with classifications, categories and principles of motherboards, processors, and memory in microcomputer systems.

Content Limits

4.1 Distinguish between the popular CPU chips in terms of their basic characteristics.

Content may include the following:


4.2 Identify the categories of RAM (Random Access Memory) terminology, their locations, and physical characteristics.

Content may include the following:


4.3 Identify the most popular type of motherboards, their components, and their architecture (bus structures and power supplies).

Content may include the following:


4.4 Identify the purpose of CMOS (Complementary Metal-Oxide Semiconductor), what it contains and how to change its basic parameters.

Example Basic CMOS Settings:





Domain 5.0 Printers
This domain requires knowledge of basic types of printers, basic concepts, and printer components, how they work, how they print onto a page, paper path, care and service techniques, and common problems.

Content Limits

5.1 Identify basic concepts, printer operations and printer components.
Content may include the following:


Types of printer connections and configurations


5.2 Identify care and service techniques and common problems with primary printer types.

Content may include the following:


Domain 6.0 Basic Networking
This domain requires knowledge of basic network concepts and terminology, ability to determine whether a computer is networked, knowledge of procedures for swapping and configuring network interface cards, and knowledge of the ramifications of repairs when a computer is networked. The scope of this topic is specific to hardware issues on the desktop and connecting it to a network.

Content Limits

6.1 Identify basic networking concepts, including how a network works and the ramifications of repairs on the network.

Content may include the following:
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