Cisco IT Essentials Module 1 – 4 Practice Questions v2

Which component converts AC to DC voltages (3.3V, 5V, 12V) for internal parts?

• Motherboard

• Power supply

• CPU

• Expansion card

In which socket type are the pins located in the socket rather than on the CPU package?

• PGA

• LGA

• ZIF

• BGA

Which memory is volatile working storage for data/programs in use by the CPU?

• ROM

• RAM

• EEPROM

• Flash

Which cooling method is passive (no power required)?

Which optical format has the highest capacity per disc listed?

• CD

• DVD

• Blu-ray

• Zip disk

Which statement about power-supply rails is TRUE?

• 12V lines feed digital logic only

• 3.3V/5V typically feed digital logic, 12V powers motors/fans

• 5V powers only GPUs

• 3.3V powers only fans

Which PSU form factor is most common in modern desktops?

• AT

• ATX12V

• EIDE

• ITX

Which interface is the legacy parallel predecessor to SATA for internal drives?

• NVMe

• IDE/EIDE (PATA)

• USB

• SCSI-3

What benefit does NVMe provide for SSDs?

• Uses VGA port

• Lets SSDs attach to PCIe without special drivers

• Only for optical drives

• Requires IDE cables

Which memory type can detect multi-bit errors and correct single-bit errors?

• Non-parity

• Parity

• ECC

• SRAM