WGU C393 QUESTIONS AND ANSWERS
What is the process of finding the cause of a problem as well as its solution?
CORRECT ANSWER Troubleshooting
What is the first step of the troubleshooting model?
CORRECT ANSWER Identify the problem.
What is the last step of the troubleshooting model?
CORRECT ANSWER Document the findings, actions taken and the outcome.
What should you do when the fan on the power supply becomes damaged?
CORRECT ANSWER Replace the power supply
What will MOST likely happen if a keyboard is not cleaned for a long time?
CORRECT ANSWER Keys may stop working or stick
What is the first step should you take to troubleshoot a computer that is behaving
erratically?
CORRECT ANSWER Reboot the computer
What will be the result of removing the CMOS battery from the motherboard?
CORRECT ANSWER The BIOS settings, including the BIOS password, will be reset to
defaults
What should you use while installing a new CPU to ensure that the computer does not
restart due to overheating CPU?
CORRECT ANSWER Use thermal compound, a heat sink and a CPU fan
What would happen if thermal compound is not used on the processor?
CORRECT ANSWER The process will be damaged due to overheating
What is the recommended method to clean dust from inside the computer?
, CORRECT ANSWER Use compressed air
What two things should you check in a computer when it gives a single beep during
POST, but there is no display?
CORRECT ANSWER You should check the power to the monitor and check whether
the monitor cable is connected to the computer
Which term is used for replacing the firmwire within BIOS?
CORRECT ANSWER flashing the BIOS
What is the most common symptom of a system that has insufficient random access
memory (RAM) and little free disk space?
CORRECT ANSWER Poor system performance
If a computer system is not displaying any lights and has no apparent signs of activity,
what is the MOST likely source of the problem?
CORRECT ANSWER the power supply
Which type of memory error normally occurs once and disappears after the computer is
rebooted?
CORRECT ANSWER soft memory error
After adding a working power supply and working processor to your computer, why
would the computer make no sound and produce no lights when turned on?
CORRECT ANSWER motherboard failure
A computer's time clock is constantly losing time. What could be the primary reason for
this?
CORRECT ANSWER The CMOS battery requires a replacement
What are the two methods to determine the type of RAM appropriate for your computer
while upgrading or replacing the RAM in the computer?
CORRECT ANSWER Inspect physical RAM already installed in the computer or
consult the motherboard manufacturer's catalog or Web site
, Which hardware tool assists in removing motherboard, standoffs, jumpers and stubbern
cable connectors?
CORRECT ANSWER needle-nosed pliers
Before performing any major hardware changes on a computer, what should you do
FIRST regarding data stored in that computer?
CORRECT ANSWER Back up the data
Why is the speed of the existing processor important if you plan to install a second
processor?
CORRECT ANSWER The two processors can only operate at the speed of the lowest
speed processor
Which card can be directly connected to the motherboard on a PCI or ISA slot and have
several slots to hold additional cards that work in parallel with the motherboard?
CORRECT ANSWER riser cards
What is the purpose of Hyper-Threading (HT) technology?
CORRECT ANSWER It allows a CPU to execute multiple instructions at the same time.
What is the primary purpose of a Graphics Processing Unit (GPU)?
CORRECT ANSWER processing video and graphics
Which motherboard component is used to hold multiple I/O cards in a computer
CORRECT ANSWER riser cards
Which high-speed channel is used for attaching a graphics card to a computer's
motherboard to assist in the acceleration of 3D graphics?
CORRECT ANSWER Accelerated Graphics Port (AGP)
Which concept is used for designing a processor socket to prevent problems caused by
applying force while inserting or extracting a processor?
CORRECT ANSWER zero insertion force (ZIF)
What is the process of finding the cause of a problem as well as its solution?
CORRECT ANSWER Troubleshooting
What is the first step of the troubleshooting model?
CORRECT ANSWER Identify the problem.
What is the last step of the troubleshooting model?
CORRECT ANSWER Document the findings, actions taken and the outcome.
What should you do when the fan on the power supply becomes damaged?
CORRECT ANSWER Replace the power supply
What will MOST likely happen if a keyboard is not cleaned for a long time?
CORRECT ANSWER Keys may stop working or stick
What is the first step should you take to troubleshoot a computer that is behaving
erratically?
CORRECT ANSWER Reboot the computer
What will be the result of removing the CMOS battery from the motherboard?
CORRECT ANSWER The BIOS settings, including the BIOS password, will be reset to
defaults
What should you use while installing a new CPU to ensure that the computer does not
restart due to overheating CPU?
CORRECT ANSWER Use thermal compound, a heat sink and a CPU fan
What would happen if thermal compound is not used on the processor?
CORRECT ANSWER The process will be damaged due to overheating
What is the recommended method to clean dust from inside the computer?
, CORRECT ANSWER Use compressed air
What two things should you check in a computer when it gives a single beep during
POST, but there is no display?
CORRECT ANSWER You should check the power to the monitor and check whether
the monitor cable is connected to the computer
Which term is used for replacing the firmwire within BIOS?
CORRECT ANSWER flashing the BIOS
What is the most common symptom of a system that has insufficient random access
memory (RAM) and little free disk space?
CORRECT ANSWER Poor system performance
If a computer system is not displaying any lights and has no apparent signs of activity,
what is the MOST likely source of the problem?
CORRECT ANSWER the power supply
Which type of memory error normally occurs once and disappears after the computer is
rebooted?
CORRECT ANSWER soft memory error
After adding a working power supply and working processor to your computer, why
would the computer make no sound and produce no lights when turned on?
CORRECT ANSWER motherboard failure
A computer's time clock is constantly losing time. What could be the primary reason for
this?
CORRECT ANSWER The CMOS battery requires a replacement
What are the two methods to determine the type of RAM appropriate for your computer
while upgrading or replacing the RAM in the computer?
CORRECT ANSWER Inspect physical RAM already installed in the computer or
consult the motherboard manufacturer's catalog or Web site
, Which hardware tool assists in removing motherboard, standoffs, jumpers and stubbern
cable connectors?
CORRECT ANSWER needle-nosed pliers
Before performing any major hardware changes on a computer, what should you do
FIRST regarding data stored in that computer?
CORRECT ANSWER Back up the data
Why is the speed of the existing processor important if you plan to install a second
processor?
CORRECT ANSWER The two processors can only operate at the speed of the lowest
speed processor
Which card can be directly connected to the motherboard on a PCI or ISA slot and have
several slots to hold additional cards that work in parallel with the motherboard?
CORRECT ANSWER riser cards
What is the purpose of Hyper-Threading (HT) technology?
CORRECT ANSWER It allows a CPU to execute multiple instructions at the same time.
What is the primary purpose of a Graphics Processing Unit (GPU)?
CORRECT ANSWER processing video and graphics
Which motherboard component is used to hold multiple I/O cards in a computer
CORRECT ANSWER riser cards
Which high-speed channel is used for attaching a graphics card to a computer's
motherboard to assist in the acceleration of 3D graphics?
CORRECT ANSWER Accelerated Graphics Port (AGP)
Which concept is used for designing a processor socket to prevent problems caused by
applying force while inserting or extracting a processor?
CORRECT ANSWER zero insertion force (ZIF)
