Chapter 5 Hardware and Network Troubleshooting MC Flashcards
Which of the following is not one of the six steps of the CompTIA troubleshooting theory?
Establish a theory of probable cause.
Check all cables and link lights.
Document findings, actions, and outcomes.
Test the theory to determine the cause
Check all cables and link lights.
At which step in the troubleshooting methodology might system logs be most
helpful to a technician?
Step 1
Step 3
Step 5
Step 6
Step 1
Which is not a system error commonly identified by beep codes?
Memory
Processor or motherboard
Video
Overclocking
Overclocking
When a computer boots and then displays the incorrect time and/or date, what
are two possible causes? (Choose two.)
The CPU is overclocked.
The CMOS chip is bad.
The battery is depleted.
The BIOS license has expired
The CMOS chip is bad.
The battery is depleted.
You touch the power supply inside the computer, and it is too hot to hold.
Before removing the cover at the workstation, you observed that the user’s cubicle is more cluttered than most. You observed the following four issues. Which
two of them may be responsible for the hot power supply? (Choose two.)
Drinks and food are spread around and left open on the tower next to
the desk.
A sweater is hanging down from a hook behind the tower.
Cables are pulled tight from repositioning the monitor.
Crumbs are on the floor and mixing with dust bunnies.
A sweater is hanging down from a hook behind the tower.
Crumbs are on the floor and mixing with dust bunnies.
Which two of the following might a BSOD indicate? (Choose two.)
Network cables not properly connected during boot
Registry errors
OS license expired
Defective hardware
Registry errors
Defective hardware
What can be done to isolate the cause of a BSOD? (Choose two.)
Wait 20 seconds and try again.
Remove a newly added component.
Note the error code and research it on line.
Unplug the power for one minute.
Remove a newly added component.
Note the error code and research it on line.
You have a client running Microsoft Word on macOS. When he tried to print,
a spinning pin wheel stopped everything. Choose a likely cause and a likely
quick remedy from the following options.
Caused by printer failure; reboot printer
Microsoft Word out of date; reboot and update version
RAM not available to process application demand; force-quit the application and reopen after closing unused applications
System crash; unplug and remove battery for two minutes to allow data
to reset
RAM not available to process application demand; force-quit the application and reopen after closing unused applications
Which tool in an IT professional’s toolkit can test the DC voltage inside a
computer and the AC voltage of the outlet?
Multimeter
Loopback plugs
Power supply tester
POST card/USB
Multimeter
If you have determined that you need to upgrade a PC by replacing a SATA
HDD with an SSD, which form factor is not a feasible replacement?
mSATA SSD
SATA HDD
PCIe card
m.2 SSD
m.2 SSD
Which of the following is not monitored by S.M.A.R.T.?
Slow spin-up
Drive temperature
Printer retry errors
Bad sectors
Printer retry errors
Which command can be used to find errors on a hard drive.?
DSKERR
DISKPART
CHKDSK
ERRDSK
CHKDSK
You are working on a hard drive that is nearly full, and you suspect files are
stored in fragments around the hard drive. Which one of the following can help
you determine whether defragmentation is a plausible solution for this client?
Use the Disk Storage Update tool.
Run DEFRAG at the command prompt.
Run CHKDSK.
Click the Analyze button in the disk optimization window.
Click the Analyze button in the disk optimization window.
You are asked to assist with a projector in a conference room where the presenter is having trouble getting the computer image to show on the screen.
Which of the following is not a commonly known issue with projection?
Overheated device
Screen set too far from projector
Lens cap not removed
Source setting on projector
Screen set too far from projector
Which is an example of an IPv4 APIPA/link local address?
- 168.15.1
- 1.15.6
- 254.3.3
- 16.53.1
169.254.3.3
If a printer has a static address that happens to be in the DHCP range of the
network, what is a potential network problem?
No problem as the router can handle both static and DHCP addresses
DHCP being disabled and router handling only static IP addresses
IP address conflict
Intermittent network connectivity during print jobs
IP address conflict
What can be the result of EMI and/or RFI on a network segment?
(Choose two.)
Slow file transfer speeds
IP address conflicts
Intermittent connectivity
Slowing fiber optic transmission
Slow file transfer speeds
Intermittent connectivity
What is the minimum amperage required to charge a smartphone?
100mA
1A
5A
1000mA
5A
If a device is plugged into an adapter and has no power, which is a possible step to take to alleviate the problem?
Ensure that the adapter is set to the proper DC voltage.
Make sure the AC outlet is working.
Use a multimeter to test DC voltage from the adapter.
All of these steps are correct
All of these steps are correct
You have been called to check on a printer in an office. You find a paper jam
and fix it. Where do you look to resume the printing process and print jobs
that were unable to print?
The sending workstation’s RAM
The print queue
The printer’s hard drive.
The printer’s virtual memory
The print queue
Your system has begun shutting down suddenly and unexpectedly. Which of
the following best describes how to determine whether the cause of these shutdowns is due to the CPU overheating?
Check the CPU temperature in the Device Manager.
Check the CPU temperature in the System Properties.
Check the CPU temperature in Computer Management.
Check the CPU temperature in the system BIOS/UEFI firmware
Check the CPU temperature in the system BIOS/UEFI firmware
Which of the following best describes the usual cause of a checksum error?
A failing CMOS battery
A corrupt BIOS or UEFI
An error within the system’s arithmetic calculator
Overheating due to overclocking
A failing CMOS battery
Which of the following is usually checked by POST? (Choose all that apply.)
Memory
Keyboard
Mouse
Hard drives
Memory
Keyboard
Hard drives
When the date and time on your computer are running slowly and losing time,
which of the following statements best describes the most likely cause and the
most effective course of action?
There is a fault in the BIOS settings, and you should flash the BIOS.
The CPU is running slowly, and you should check the CPU and its fan
to see if dust is clogging it and slowing it down.
At least one of the memory modules may be faulty, and you should check
the memory information in the BIOS and replace any failing modules.
The CMOS battery is failing, and you should replace the battery.
The CMOS battery is failing, and you should replace the battery.
If your system is experiencing frequent STOP errors and is automatically
rebooting each time, where would you go to change the configuration setting
to stop the automatic reboot process?
System Properties, Advanced tab, Startup and Recovery
Drive Properties, Tools tab
Administrative Tools, Disk Management
BIOS, Boot tab, Automatic Reboot
System Properties, Advanced tab, Startup and Recovery
Which voltage is used by most personal computers in North America?
115V
190V
230V
400V
115V
Which of the following tools is used to test AC or DC voltage, continuity,
resistance, and amperage?
Loopback plug
PING
Multimeter
Tone generator
Multimeter
Which of the following voltage levels should be produced by a healthy power supply? (Choose all that apply.)
+3.3
−3.3
+5.0
−5.0
+8.3
−8.3
+12.0
−12.0
+3.3
+5.0
−5.0
+12.0
−12.0
You are called to an employee workstation, where it is reported that the
network connectivity has failed. At some point in the process, you decide to
replace the workstation Ethernet cable with one in your bag that you know to
be good. Which step does this demonstrate in the best practice methodology
to resolve problems?
Identify the problem.
Establish a theory of probable cause.
Test the theory to determine the cause.
Establish a plan of action
Test the theory to determine the cause.
You have received a support call from an employee whose mouse does not work on booting. When you ask the user if the monitor is on and if the keyboard is also disabled, which step does this demonstrate in the best practice methodology to resolve problems?
Identify the problem.
Establish a theory of probable cause.
Test the theory to determine the cause.
Establish a plan of action.
Identify the problem.
Which of the following statements best describes how to change the boot
sequence?
Edit the BIOS and save the changes in CMOS.
Change the jumper settings on the SATA drive to make it the bootable
drive.
Reconfigure settings for the RAID array to make a RAID drive the bootable drive.
Use the Disk Management utility in Administrative Tools
Edit the BIOS and save the changes in CMOS.
S.M.A.R.T. detects and reports errors for which of the following?
CPUs
DDR memory
SATA and PATA hard drives
Expansion cards
SATA and PATA hard drives
You have been asked to replace a switch in a wiring closet with an upgraded
switch. Unexpectedly, it takes you about two hours using a tone generator to
determine where the cables map to in the old switch before you can uninstall
it. Which step in the best practice methodology to resolve problems is missing
from this scenario and may have saved two hours?
The first
The third
The fifth
The last
The last
Which command can be issued at a command prompt to generate output in the following format?
server: fbks.alaska.edu
nslookup fbks.alaska.edu
ping 181.27.135.135
nslookup 181.27.135.135
tracert 181.27.135.135
nslookup 181.27.135.135
When booting your system in Safe mode, which of the following statements
best describes how the display will load?
The display will load in VGA mode.
The display will load using the last known good configuration.
The display will load using the resolution selected when entering Safe
mode.
The display will degauss before entering Safe mode.
The display will load in VGA mode.
A flickering image on an LCD display might be caused by the failure of which
components? (Choose two.)
Backlight
Cathode ray tube
Reflector
Inverter
Backlight
Inverter
Burn-in refers to which of the following?
The process of recording a CD or DVD
The process of preparing a hard drive for formatting for a clean installation
A persistent ghost image on the display screen
The damaged areas in a plasma display
A persistent ghost image on the display screen
Your client reports that computers on the network cannot connect to the
Internet but can connect to each other. You determine that each of the computers affected has been assigned an APIPA address. At Step 2 of the best practice methodology to resolve problems, where would you look next to solve the
problem?
DNS
DHCP
Proxy
Router
DHCP
Which step of the best practice methodology to resolve problems is out of
order?
Establish a theory of probable cause.
Establish a plan of action to resolve the problem and implement a solution.
Test the theory to determine the cause.
Verify full system functionality
Establish a plan of action to resolve the problem and implement a solution.
Which of the following does not apply to the first step of the best practice
methodology to resolve problems?
Inquiring regarding environmental changes
Inquiring regarding infrastructure changes
Performing backups
Documenting outcomes
Documenting outcomes
When your tablet or smartphone does not get a clear cellular signal, which of
the following steps could improve the signal? (Choose two.)
Turn off WiFi.
Change the angle of your screen.
Reset your cellular settings to a faster 802.11 specification.
Use the slider switch on an iOS device to fine-tune reception.
Turn off WiFi.
Change the angle of your screen.
Which of the following steps could help increase the battery life on your
mobile devices? (Choose two.)
Don’t overcharge.
On iOS, turn on the background app refresh.
Use the iOS slider switch to shut down weekly.
Wait until almost out of power before recharging a device
Use the iOS slider switch to shut down weekly.
Vertical streaks extending down each page printed by a laser printer usually
indicate which of the following problems?
Low toner
A dirty print ribbon
Damaged ink nozzles
Damage to the imaging drum
Damage to the imaging drum
Smudged print from an inkjet printer could be caused by which of the
following?
Dirty printheads or rollers
Failure of the fuser to reach a high enough temperature
Photosensitive drum not being properly charged
Toner cartridge needing to be replaced
Dirty printheads or rollers
If toner can be brushed off the page after printing, which component of a laser
printer is malfunctioning?
Print drum
Fuser
Paper feed rollers
Corona
Fuser
If a document requires the maximum amount of memory that is available to a laser printer, the printer might attempt to compress the document. Which of
the following statements best describes the result of this compression on the
final print page?
Some text could be lost.
The printed text may be cloudy.
The print process will be slower.
Some pictures could be deleted.
The print process will be slower.
Which of the following print tools is used to manage and maintain print jobs?
Print spooler
Fuser
Printheads
XPS Document Writer
Print spooler
