A+ Core Hardware (2003) Examination Objectives

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1 HP IT Essentials 1 PC Hardware and Software Companion Guide, Second Edition A+ Core Hardware (2003) Examination Objectives Effective November 26, 2003 Domain % Of Examination 1.0 Installation, Configuration and 35% Upgrading 2.0 Diagnosing and Troubleshooting 21% 3.0 Preventive Maintenance 5% 4.0 Motherboard/Processors/Memory 11% 5.0 Printers 9% 6.0 Basic Networking 19% Total % Domain 1 Installation, Configuration, and Upgrading 1.1 Identify the names, purpose, and characteristics, of system modules. Recognize these modules by sight or definition. Examples of concepts and modules are: Motherboard Firmware 2 Power supply 2 Processor /CPU 2 Memory,4 Storage devices 2 Display devices 2 Adapter cards 2 Ports 2 Cases 2 Riser cards Identify basic procedures for adding and removing fieldreplaceable modules for desktop systems. Given a replacement scenario, choose the appropriate sequences. Desktop components: Motherboard Storage device Page 1

2 FDD HDD CD/CDRW 3,8 DVD/DVDRW 3,8 Tape drive 2 Removable storage 2 Power supply 3 AC adapter 9 AT/ATX Cooling systems 2 Fans 2 Heat sinks 3 Liquid cooling 2 Processor /CPU 3 Memory,4 Display device 2 Input devices 3 Keyboard 3 Mouse/pointer devices 3 Touch screen 3 Adapters 2 Network Interface Card (NIC) 2 Sound card 3,8 Video card Modem 10 SCSI 2 IEEE 1394/Firewire USB 8 Wireless Identify basic procedures for adding and removing field- replaceable modules for portable systems. Given a replacement scenario, choose the appropriate sequences. Portable components: Storage devices 2 FDD 3 HDD 3 CD/CDRW 2,8 DVD/DVDRW 2,8 Removable storage 2 Power sources 3 Page 2

3 AC adapter 9 DC adapter 9 Battery 3 Memory,4 Input devices 3 Keyboard 3 Mouse/pointer devices 3 Touch screen 3 PCMCIA/Mini PCI Adapters 2 Network Interface Card (NIC) 2 Modem 10 SCSI 2 IEEE 1394/Firewire 9 USB 8,9 Storage (memory and hard drive) 2 Docking station/port replicators 2 LCD panel 2 Wireless 9 Adapter/controller 9 Antennae Identify typical IRQs, DMAs, and I/O addresses, and procedures for altering these settings when installing and configuring devices. Choose the appropriate installation or configuration steps in a given scenario. may include the following: Legacy devices (e.g., ISA sound card) 2,8 Specialized devices (e.g., CAD/CAM) 1 Internal modems 9 Floppy drive controllers 2,9 Hard drive controllers 2 Multimedia devices 8 NICs 10 I/O ports 2 Serial 11 Parallel 11 USB ports 8,11 IEEE 1394/Firewire 2 Infrared 2 Page 3

4 1.5 Identify the names, purposes, and performance characteristics, of standardized/common peripheral ports, associated cabling, and their connectors. Recognize ports, cabling, and connectors, by sight. may include the following: Port types 2 Serial 11 Parallel 11 USB ports 8,11 IEEE 1394/Firewire Infrared 2 Cable types 2 Serial (Straight through vs. null modem) 2 Parallel 2 USB 2 Connector types 2 Serial 2 DB-9 DB-25 RJ-11 RJ-45 Parallel 2 DB-25 Centronics (mini, 36) PS2/MINI-DIN 2 USB 8,10,11 IEEE Identify proper procedures for installing and configuring common IDE devices. Choose the appropriate installation or configuration sequences in given scenarios. Recognize the associated cables. may include the following: IDE Interface Types 2 EIDE 2 ATA/ATAPI 8 Serial ATA 8 PIO 2 RAID (0, 1 and 5) 9 Master/Slave/cable select Devices per channel 2 Primary/Secondary 3 Cable orientation/requirements 9 Page 4

5 1.7 Identify proper procedures for installing and configuring common SCSI devices. Choose the appropriate installation or configuration sequences in given scenarios. Recognize the associated cables. may include the following: SCSI Interface Types 2 Narrow Fast Wide Ultra-wide LVD HVD Internal versus external 10 SCSI IDs 2 Jumper block/dip switch settings (binary equivalents) Resolving ID conflicts RAID (0, 1 and 5) 9 Cabling 10 Length Type Termination requirements (active, passive, auto) 1.8 Identify proper procedures for installing and configuring common peripheral devices. Choose the appropriate installation or configuration sequences in given scenarios. may include the following: Modems and transceivers (dial-up, 10 cable, DSL, ISDN) External storage 9 Digital cameras 9 PDAs 9 Wireless access points 2 Infrared devices 11 Printers 11 UPS (Uninterruptible Power Supply) 11 and suppressors Monitors 2 Page 5

6 1.9 Identify procedures to optimize PC operations in specific situations. Predict the effects of specific procedures under given scenarios. Topics may include: Cooling systems 10,13, 3 Liquid Air Heat sink Thermal compound Disk subsystem enhancements 9 Hard drives Controller cards (e.g., RAID, ATA-100, etc.) Cables NICs 10 Specialized video cards 3 Memory 9 Additional processors Determine the issues that must be considered when upgrading a PC. In a given scenario, determine when and how to upgrade system components. Issues may include: Drivers for legacy devices 5,6,8 Bus types and characteristics 10 Cache in relationship to 3 motherboards Memory capacity and characteristics 4 Processor speed and compatibility 1,9,13 Hard drive capacity and 3 characteristics System/firmware limitations 2,13 Power supply output capacity 2, Components may include the following: Motherboards 3 Memory 3 Hard drives 3 Page 6

7 CPU.3 BIOS 3 Adapter cards 8 Laptop power sources Lithium ion NiMH Fuel cell 2 PCMCIA Type I, II, III cards 2 Domain 2 Diagnosing and Troubleshooting 2.1 Recognize common problems associated with each module and their symptoms, and identify steps to isolate and troubleshoot the problems. Given a problem situation, interpret the symptoms and infer the most likely cause. may include the following: I/O ports and cables 13 Serial 13 Parallel 13 USB ports 13 IEEE 1394/Firewire 13 Infrared 13 SCSI 13 Motherboards 13 CMOS/ BIOS settings 13 POST audible/visual error codes 13 Peripherals 13 Computer case 13 Power supply 13 Slot covers 13 Front cover alignment 13 Storage devices and cables 13 FDD 13 HDD 13 CD/CDRW 13 DVD/DVDRW 13 Tape drive 13 Removable storage 13 Cooling systems 13 Fans 13 Page 7

8 Heat sinks 13 Liquid cooling 13 Temperature sensors 13 Processor /CPU 13 Memory 13 Display device 13 Input devices 13 Keyboard 13 Mouse/pointer devices 13 Touch screen 13 Adapters 13 Network Interface Card (NIC) 13 Sound card 13 Video card 13 Modem 13 SCSI 13 IEEE 1394/Firewire 13 USB 13 Portable Systems 13 PCMCIA 13 Batteries 13 Docking Stations/Port Replicators 13 Portable unique storage Identify basic troubleshooting procedures and tools, and how to elicit problem symptoms from customers. Justify asking particular questions in a given scenario. may include the following: Troubleshooting/isolation/problem 13 determination procedures Determining whether a hardware or 13 software problem Gathering information from user 13 Customer Environment 13 Symptoms/Error Codes 13 Situation when the problem occurred 13 Page 8

9 Domain 3 PC Preventive Maintenance, Safety, and Environmental Issues 3.1 Identify the various types of preventive maintenance measures, products and procedures and when and how to use them. may include the following: Liquid cleaning compounds 12 Types of materials to clean contacts and 12 connections Non-static vacuums (chassis, power 12 supplies, fans) Cleaning monitors 12 Cleaning removable media devices 12 Ventilation, dust and moisture control 12 on the PC hardware interior. Hard disk maintenance (defragging, 12 scan disk, CHKDSK) Verifying UPS (Uninterruptible Power 12 Supply) and suppressors 3.2 Identify various safety measures and procedures, and when/how to use them. may include the following: 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 Potential hazards and proper safety procedures relating to High-voltage equipment Power supply CRTs Page 9

10 3.3 Identify environmental protection measures and procedures, and when/how to use them. may include the following: Special disposal procedures that comply with environmental guidelines. Batteries CRTs Chemical solvents and cans MSDS (Material Safety Data Sheet) 12 Domain 4 Motherboard/Processors/Memory 4.1 Distinguish between the popular CPU chips in terms of their basic characteristics. may include the following: Popular CPU chips (Pentium class 2 compatible) Voltage 2 Speeds (actual vs. advertised) 2 Cache level I, II, III 2 Sockets/slots 2 VRM(s) 2 Page 10

11 4.2 Identify the types of RAM (Random Access Memory), form factors, and operational characteristics. Determine banking and speed requirements under given scenarios. may include the following: Types EDO RAM (Extended Data Output RAM) DRAM (Dynamic Random Access Memory) SRAM (Static RAM) VRAM (Video RAM) SDRAM (Synchronous Dynamic RAM) DDR (Double Data Rate) RAMBUS Form factors (including pin count) SIMM (Single In-line Memory Module) DIMM (Dual In-line Memory Module) SoDIMM (Small outline DIMM) MicroDIMM RIMM Operational characteristics Memory chips (8-bit, 16-bit, and 32-bit) Parity chips versus non-parity chips ECC vs. non-ecc Single-sided vs. double sided 4.3 Identify the most popular types of motherboards, their components, and their architecture (bus structures). may include the following: Types of motherboards: AT ATX Page 11

12 Components: Communication ports Serial USB Parallel IEEE 1394/Firewire Infrared Memory SIMM DIMM RIMM SoDIMM MicroDIMM Processor sockets Slot 1 Slot 2 Slot A Socket A Socket 7 Socket 8 Socket 423 Socket 478 Socket 370 External cache memory (Level 2) Bus Architecture ISA PCI AGP PCI 32-bit PCI 64-bit 2X 4X 8X (Pro) USB (Universal Serial Bus) 8,10 AMR (audio modem riser) slots 2 CNR (communication network riser) 2 slots Basic compatibility guidelines IDE (ATA, ATAPI, ULTRA-DMA, EIDE) SCSI (Narrow, Wide, Fast, Ultra, HVD, LVD(Low Voltage Differential)) Chipsets Page 12

13 4.4 Identify the purpose of CMOS (Complementary Metal-Oxide Semiconductor) memory, what it contains, and how and when to change its parameters. Given a scenario involving CMOS, choose the appropriate course of action. CMOS Settings: Default settings CPU settings Printer parallel port Uni., bidirectional, disable/enable, ECP, EPP COM/serial port memory address, interrupt request, disable Floppy drive enable/disable drive or boot, speed, density Hard drive size and drive type Memory speed, parity, non-parity Boot sequence Date/Time Passwords Plug & Play BIOS Disabling on-board devices Disabling virus protection Power management Infrared 11 Domain 5 Printers 5.1 Identify printer technologies, interfaces, and options/upgrades. Technologies include: Laser 11 Ink Dispersion 11 Dot Matrix 11 Solid ink 11 Thermal 11 Dye sublimation 11 Page 13

14 Interfaces include: Parallel 11 Network 11 SCSI 11 USB 11 Infrared 11 Serial 11 IEEE 1394/Firewire 11 Wireless 11 Options/Upgrades include: Memory 11 Hard drives 11 NICs 11 Trays and feeders 11 Finishers (e.g., stapling, etc.) 11 Scanners/fax/copier Recognize common printer problems and techniques used to resolve them. may include the following: Printer drivers 11 Firmware updates 11 Paper feed and output 11 Calibrations 11 Printing test pages 11 Errors (printed or displayed) 11 Memory 11 Configuration 11 Network connections 11 Connections 11 Paper jam 11 Print quality 11 Safety precautions 12 Preventive maintenance 12 Consumables 12 Environment 12 Page 14

15 Domain 6 Basic Networking 6.1 Identify the common types of network cables, their characteristics and connectors. Cable types include: Coaxial 10 RG6 RG8 RG58 RG59 Plenum/PVC 10 UTP 10 CAT3 CAT5/e CAT6 STP 10 Fiber 10 Single-mode Multi-mode Connector types include: BNC 10 RJ AUI 10 ST/SC 10 IDC/UDC Identify basic networking concepts including how a network works. Concepts include: Installing and configuring network 10 cards Addressing 10 Bandwidth 10 Status indicators 10 Page 15

16 Protocols 10 TCP/IP IPX/SPX (NWLINK) AppleTalk NETBEUI/NETBIOS Full-duplex, half-duplex 10 Cabling Twisted Pair, Coaxial, Fiber 10 Optic, RS-232 Networking models 10 Peer-to-peer Client/server Infrared 10 Wireless Identify common technologies available for establishing Internet connectivity and their characteristics. Technologies include: LAN 10 DSL 10 Cable 10 ISDN 10 Dial-up 10 Satellite 10 Wireless 10 Characteristic include: Definition 10 Speed 10 Connections 10 Page 16

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