1. In which situation would an ESD strike potentially cause harm to the PC?

• 
  

• • when replacing a mechanical hard drive with an M.2 SSD

  
  

• • when installing an additional display in a workplace cubicle

  
  

• • when using a grounded mat and working on a computer on an ungrounded workbench

  
  

• • when installing a dual-voltage power supply

  
  

2. A person has started a new technical job. In which situation would ESD be an issue?

• 
  

• • when installing a processor

  
  

• • when using a grounded mat and working on a computer on an ungrounded workbench

  
  

• • when installing a dual-voltage power supply

  
  

• • while exchanging one laptop AC adapter with one that is not from the original equipment manufacturer

  
  

3. A technician is about to begin preventive maintenance on a company PC. In which situation would ESD be an issue?

• 
  

• • when walking across a carpeted area and then touching a keyboard that is attached to a tower PC

  
  

• • when installing a UPS

  
  

• • while attaching speakers to a surround sound card

  
  

• • when installing a processor

  
  

4. A technician is about to begin preventive maintenance on a company PC. In which situation would ESD be an issue?

• 
  

• • when replacing a motherboard

  
  

• • while attaching speakers to a surround sound card

  
  

• • when using a grounded mat and working on a computer on an ungrounded workbench

  
  

• • when installing a dual-voltage power supply

  
  

5. A technician is about to begin preventive maintenance on a company PC. In which situation would ESD be an issue?

• 
  

• • when installing RAM

  
  

• when walking across a carpeted area and then touching a keyboard that is attached to a tower PC

• • when using a grounded mat and working on a computer on an ungrounded workbench

  
  

• • when installing a dual-voltage power supply

  
  

5. What two motherboard components control the system boot operations? (Choose two.)

• 
  

• • BIOS chip

  
  

• • UEFI chip

  
  

• • Northbridge chip

  
  

• • Southbridge chip

  
  

• • CPU

  
  

6. A technician is upgrading an ATX motherboard with another ATX motherboard. Which component might be affected by this and need to be upgraded and bought as an additional purchase?

• • BIOS

  
  

• • chipset

  
  

• • CMOS battery

  
  

• • CPU

  
  

• • PCIe adapter

  
  

7. A customer has requested that a PC be built that will support eSATA. Which component should be checked to be sure that this feature is supported?

• 
  

• • CPU

• • chipset

  
  

• • hard disk

  
  

• • RAM module

  
  

8. Which memory module used to hold instructions for booting a PC and loading the OS, but is still used on adapters even though the memory contents cannot be changed?

• 
  

• • RAM

  
  

• • ROM

  
  

• • cache

  
  

• • main memory

  
  

9. What is a characteristic of DDR SDRAM?

• 
  

• • It transfers data twice per clock cycle compared to once per clock cycle for SDRAM.

  
  

• • DDR SDRAM modules have double the number of pins of SDRAM memory modules.

  
  

• • It is dynamic memory whereas SDRAM is static memory.

  
  

• • It operates at double the voltage of SDRAM memory.