WGU (D316) IT TROUBLESHOOTING FINAL EXAM 2025|159
QUESTIONS WITH ACCURATE SOLUTIONS
1. If a systems administrator needs to configure a secure file transfer
solution for a department that requires external users to upload files,
which protocol should they choose and why?
HTTP, because it is the most widely used protocol for file transfers.
FTPS, because it allows secure file uploads and downloads
without needing local user accounts.
SFTP, because it is simpler to configure than FTPS.
FTP, because it does not require encryption and is easier to set up.
2. What is one method to improve airflow in a computer system that is
overheating?
Use a larger hard drive
Install a new system fan
Increase the CPU clock speed
Add more RAM
3. Describe the relationship between a supplicant device and a network
access server (NAS).
A supplicant device provides network security.
A supplicant device requests access to a network through the
NAS.
A supplicant device is the same as a NAS.
A supplicant device manages network traffic.
4. Describe the implications of using UDP in applications that require high-
quality audio and video streaming.
, UDP ensures high-quality streaming by retransmitting lost packets.
UDP is ideal for applications that do not require timely data
delivery.
UDP guarantees data integrity and order for streaming
applications.
Using UDP can lead to poor audio and video quality due to its
unreliability in data transmission.
5. If a technician neglects to apply thermal grease during the installation of
a heat sink, what potential issue might arise?
Improper functioning of the motherboard.
Overheating of the CPU.
Failure of the heat sink to fit properly.
Increased power consumption of the CPU.
6. What is a common physical issue that can cause a bad Ethernet cable?
Incorrect color coding
Improper shielding
Excessive length
A pinch or a kink in it
7. If a network administrator wants to ensure that users can easily find
and install new printers on the network, which configuration should
they
mplement?
Disable all firewall settings.
Install a third-party printer management software. Use
static IP addresses for all printers.
Implement LDAP for resource discovery.
,8. A technician is troubleshooting a touch screen laptop that has a
cracked screen. After replacing the physical display, the laptop is showing
images correctly, however, the screen no longer responds to touch.
Which of the following components of the laptop MOST likely needs
to be replaced?
Digitizer
Webcam
Inverter
GPU
9. You find that a shared network printer's printouts are faded. You
replace the toner cartridge, but the printouts are still faded. What is the
source of the problem?
The roller
The fuser
Dust in the printer
Improper head alignment
10. Dion Training has recently installed a new VoIP telephone service in their
offices. The employees are now complaining that their phone calls
are
being dropped during the middle of their conversations. The
company has a single 48-port gigabit ethernet layer 3 switch that
supports their desktops, laptops, and VoIP devices. Which of the
following should the company do to prevent VoIP calls from
dropping?
Configure the DHCP
server Increase the MTU
Implement QoS
Enforce MAC filtering
, 11. An engineer configures 6 disks in a workstation to be part of a redundant
array of independent disks (RAID) volume where one-sixth of the
space on each disk will be used for parity. Which RAID type does the
engineer
implement?
5
0
1
10
12. What is a common cause of a mouse cursor moving on its own in a
laptop?
A virus infection.
A faulty touchpad or external mouse.
Insufficient RAM.
A software update issue.
13. In what stage of the laser printing process does a laser beam place an
image on the photosensitive drum?
Charging
Cleaning
Developing
Exposing
14. What financing model is commonly associated with cloud
deployment that allows companies to pay based on usage?
Pay-as-you-go
One-time payment
Flat-rate billing
QUESTIONS WITH ACCURATE SOLUTIONS
1. If a systems administrator needs to configure a secure file transfer
solution for a department that requires external users to upload files,
which protocol should they choose and why?
HTTP, because it is the most widely used protocol for file transfers.
FTPS, because it allows secure file uploads and downloads
without needing local user accounts.
SFTP, because it is simpler to configure than FTPS.
FTP, because it does not require encryption and is easier to set up.
2. What is one method to improve airflow in a computer system that is
overheating?
Use a larger hard drive
Install a new system fan
Increase the CPU clock speed
Add more RAM
3. Describe the relationship between a supplicant device and a network
access server (NAS).
A supplicant device provides network security.
A supplicant device requests access to a network through the
NAS.
A supplicant device is the same as a NAS.
A supplicant device manages network traffic.
4. Describe the implications of using UDP in applications that require high-
quality audio and video streaming.
, UDP ensures high-quality streaming by retransmitting lost packets.
UDP is ideal for applications that do not require timely data
delivery.
UDP guarantees data integrity and order for streaming
applications.
Using UDP can lead to poor audio and video quality due to its
unreliability in data transmission.
5. If a technician neglects to apply thermal grease during the installation of
a heat sink, what potential issue might arise?
Improper functioning of the motherboard.
Overheating of the CPU.
Failure of the heat sink to fit properly.
Increased power consumption of the CPU.
6. What is a common physical issue that can cause a bad Ethernet cable?
Incorrect color coding
Improper shielding
Excessive length
A pinch or a kink in it
7. If a network administrator wants to ensure that users can easily find
and install new printers on the network, which configuration should
they
mplement?
Disable all firewall settings.
Install a third-party printer management software. Use
static IP addresses for all printers.
Implement LDAP for resource discovery.
,8. A technician is troubleshooting a touch screen laptop that has a
cracked screen. After replacing the physical display, the laptop is showing
images correctly, however, the screen no longer responds to touch.
Which of the following components of the laptop MOST likely needs
to be replaced?
Digitizer
Webcam
Inverter
GPU
9. You find that a shared network printer's printouts are faded. You
replace the toner cartridge, but the printouts are still faded. What is the
source of the problem?
The roller
The fuser
Dust in the printer
Improper head alignment
10. Dion Training has recently installed a new VoIP telephone service in their
offices. The employees are now complaining that their phone calls
are
being dropped during the middle of their conversations. The
company has a single 48-port gigabit ethernet layer 3 switch that
supports their desktops, laptops, and VoIP devices. Which of the
following should the company do to prevent VoIP calls from
dropping?
Configure the DHCP
server Increase the MTU
Implement QoS
Enforce MAC filtering
, 11. An engineer configures 6 disks in a workstation to be part of a redundant
array of independent disks (RAID) volume where one-sixth of the
space on each disk will be used for parity. Which RAID type does the
engineer
implement?
5
0
1
10
12. What is a common cause of a mouse cursor moving on its own in a
laptop?
A virus infection.
A faulty touchpad or external mouse.
Insufficient RAM.
A software update issue.
13. In what stage of the laser printing process does a laser beam place an
image on the photosensitive drum?
Charging
Cleaning
Developing
Exposing
14. What financing model is commonly associated with cloud
deployment that allows companies to pay based on usage?
Pay-as-you-go
One-time payment
Flat-rate billing
