CET Final Exam – Comprehensive Study Guide and Practice Questions for
Certified Electronics Technician Certification
What is the primary difference between a conventional hard drive and a solid-state drive (SSD)?
- correct answer ✔✔The SSD has no moving parts.
Which of the following technologies is best for the attachment of external SATA-based drives? -
correct answer ✔✔eSATA
Which of the following is not a consideration when installing an internal storage device? -
correct answer ✔✔Due to the high revolutions at which modern hard drives spin, you must
secure an external power source because the internal power supplies do not have the capacity.
Which of the following is a concept that applies only to conventional magnetic hard disk drives
and not newer solid-state drives? - correct answer ✔✔7200 rpm
Which process writes sector markings to a hard drive? - correct answer ✔✔low-level formatting
Which SATA standard provides a transfer rate of 3 Gb/sec? - correct answer ✔✔SATA2
How many pins does a SATA power cable have? - correct answer ✔✔15
Of the following voltage pairings, which one accurately represents the input and output,
respectively, of power supplies and AC adapters? - correct answer ✔✔AC in, DC out
When replacing a power supply, which of the following tends to vary among power supplies and
must be chosen properly to support all connected devices? - correct answer ✔✔Wattage
, Which of the following is an output voltage of a computer's power supply? - correct answer
✔✔-12VDC
How many pins does a SATA data cable have? - correct answer ✔✔15
What is the maximum speed of USB 2.0 in Mbps? - correct answer ✔✔480
Which of the following is both an input and an output device? - correct answer ✔✔Touchscreen
What peripheral port type was originally developed by Apple and was used as a way to get
digital video into a PC? - correct answer ✔✔IEEE 1394
Which of the following interfaces allows audio to be sent out over the same cabling
infrastructure as video? - correct answer ✔✔HDMI
Why might you use a KVM switch? - correct answer ✔✔You have more than one server and
don't want to buy certain external peripherals separately for each.
Which category of adapters includes NICs? - correct answer ✔✔Communications
Which interface is most commonly used for printer connectivity? - correct answer ✔✔USB
Which of the following is NOT a common USB data rate? - correct answer ✔✔5Mbps
VGA-based video technologies use what type of signal between adapter and monitor? - correct
answer ✔✔Analog
Certified Electronics Technician Certification
What is the primary difference between a conventional hard drive and a solid-state drive (SSD)?
- correct answer ✔✔The SSD has no moving parts.
Which of the following technologies is best for the attachment of external SATA-based drives? -
correct answer ✔✔eSATA
Which of the following is not a consideration when installing an internal storage device? -
correct answer ✔✔Due to the high revolutions at which modern hard drives spin, you must
secure an external power source because the internal power supplies do not have the capacity.
Which of the following is a concept that applies only to conventional magnetic hard disk drives
and not newer solid-state drives? - correct answer ✔✔7200 rpm
Which process writes sector markings to a hard drive? - correct answer ✔✔low-level formatting
Which SATA standard provides a transfer rate of 3 Gb/sec? - correct answer ✔✔SATA2
How many pins does a SATA power cable have? - correct answer ✔✔15
Of the following voltage pairings, which one accurately represents the input and output,
respectively, of power supplies and AC adapters? - correct answer ✔✔AC in, DC out
When replacing a power supply, which of the following tends to vary among power supplies and
must be chosen properly to support all connected devices? - correct answer ✔✔Wattage
, Which of the following is an output voltage of a computer's power supply? - correct answer
✔✔-12VDC
How many pins does a SATA data cable have? - correct answer ✔✔15
What is the maximum speed of USB 2.0 in Mbps? - correct answer ✔✔480
Which of the following is both an input and an output device? - correct answer ✔✔Touchscreen
What peripheral port type was originally developed by Apple and was used as a way to get
digital video into a PC? - correct answer ✔✔IEEE 1394
Which of the following interfaces allows audio to be sent out over the same cabling
infrastructure as video? - correct answer ✔✔HDMI
Why might you use a KVM switch? - correct answer ✔✔You have more than one server and
don't want to buy certain external peripherals separately for each.
Which category of adapters includes NICs? - correct answer ✔✔Communications
Which interface is most commonly used for printer connectivity? - correct answer ✔✔USB
Which of the following is NOT a common USB data rate? - correct answer ✔✔5Mbps
VGA-based video technologies use what type of signal between adapter and monitor? - correct
answer ✔✔Analog
