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:
Processor/Memory symptoms
Mouse
Floppy drive
Parallel ports
Hard drives
CD-ROM
DVD
CMOS
Slot covers
POST audible/visual error codes
Large LBA, LBA
Cables
Sound Card/Audio
Monitor/Video
Motherboards
Modems
BIOS
USB
NIC
Power supply
Troubleshooting tools (e.g., multimeter)
Keyboard
Peripherals
2.2 Identify basic troubleshooting procedures and how to elicit
problem symptoms from customers. Content may include the following:
