1101: Chap 5 - Hardware and Network troubleshooting Flashcards
1101-Chap5-8: A user has brought their laptop to you because the screen is intermittenly flickering. Which display component is most likely causing this?
Backlight
LCD
Screen
Inverter
Inverter
1101-Chap5-12: A friend who plays video games has asked you how they can fix tearing on their display. What will you tell them?
They need a new display
The refresh rate is set too low
The screen’s refresh rate is set too high
Its a software defect
The refresh rate is set too low
POST
Power On Self Test : series of system checks performed by a BIOS when a system turns on
Successful POST gives one beep, usually
1101-Chap5-17: You are troubleshooting a Mac running MacOS. Intermittently, the cursor will completely lock up and display a rotating pinwheel instead of the mouse cursor. It happens when different applications are running. What is most likely causing the problem?
CPU
RAM
Motherboard
Faulty Application
RAM
1101-Chap5-19: You are troubleshooting a desktop computer that is prone to unexpected shutdowns. They seem to happen randomly, sometimes shortly after the computer starts, other times after several minutes. The user reports that no error messages appear before the computer shuts down. Which two things are most likely the cause of this type of problem? (Choose two)
Failing hard drive
Bad RAM
BIOS/UEFI Misconfiguration
Improperly seated chips
Bad RAM
Improperly seated chips
1101-Chap5-27: A user reports that their laptop battery does not charge when the laptop is plugged into an AC outlet. What is the best first resolution to try?
Replace the battery
Replace the AC adapter
Remove and reinsert the battery
Drain the battery completely and recharge it
Remove and reinsert the battery
1101-Chap5-28: A techician has determined that they need to replace a motherboard in a laptop. Which o fthe following procedures should be followed? (Choose two)
Never use a power screwdriver with a laptop
Document and label the screw locations
Refer to the manufacturer’s instructions
Remove the keyboard before removing the motherboard
Document and label the screw locations
Refer to the manufacturer’s instructions
POST card
external device to troubleshoot mobo booting
1101-Chap5-30: You are troubleshooting a computer that has been randomly rebooting and now it refuses to boot properly. Upon boot you receive one long beep and three short beeps with no video on the screen. You don’t have a POST diagnostic card that will work with this mobo. What tool should you use to troubleshoot the situation?
Mobo documentation
Power Supply tester
Loopback plug
Mulitmeter
Mobo documentation
1101-Chap5-35: You power on a desktop computer, and you hear the fan spinning. However, you do not see any indicator lights or get a POST beep. Which component is likely causing the problem?
CPU
RAM
PSU
HDD
PSU
1101-Chap5-39: Your office uses an impact printer and multipart carbonless forms. The office manager noticed that the bottom copies of the forms are readable, but the top copy if too light to be read. What needs to be replaced?
Toner cartridge
Printhead
Ink ribbon
Ribbon advance motor
Ink ribbon
1101-Chap5-44: You’re having lunch with a friend. They are charging their phone and you notice that the phone is swelling. What action should be taken first?
Nothing, its fine
Disconnect the power and turn it off
Turn it off, and remove the battery if possible
Replace the battery
Disconnect the power and turn it off
1101-Chap5-45: You have a laptop that the user says won’t charge up since they dropped it on the floor while it was plugged in. It hit on the side with the charger, but it was running fine until the battery ran out. What might be the most expediate solution?
Replace the motherboard
Replace the power connector
Solder the power jack back on to the motherboard
Solder the power cord back on to the motherboard
Solder the power jack back on to the motherboard
1101-Chap5-46: A user complains that their laptop charges only when they wiggle the connector and get it at a certain angle. What will you most likely need to do?
Solder the port back in place
Replace the port
Replace the charhger
This can’t be fixed
Replace the port
1101-Chap5-48: Your phone is not charging properly. When you look inside the port you can see corrosion on the connectors. What should you do?
Replace the phone
Replace the port
Use lint free swabs with a small amount of isopropyl alcohol to gentle clean the connection
Use a toothbrush dampended with isopropyl alcohol to brush the connector clean
Use lint free swabs with a small amount of isopropyl alcohol to gentle clean the connection
Toothbrush
CompTIA says to NEVER use this to clean a phone’s charing port.
Port flapping
aka link flapping. a condition where a communications link alternates between up and down states
EEE
Energy Efficient Ethernet
1101-Chap5-56: Users have been complaining that a network resource has intermittent connectivity. You’ve identified the problem; the switch is port flapping. The connected device is not EEE compliant, and users need it to be available. What should you do?
Configure link flap prevention settings
Replace the offending device
Disable EEE on the switch
Disable EEE on the device
Disable EEE on the switch
1101-Chap5-57: A user calls you about a printer not working. The user is standing next to the printer, while you are in the next building. What can the user do to be helpfu in your diagnosing the problem?
Turn the printer off and on
Read the printer error code
Remove the jammed papaer
Check the network link light
Read the printer error code
1101-Chap5-59: A workstation is sending print jobs directly to a printer that has a stapler as a finishing option. When they retrieve the print job, the document is not stapled. Which of the following could be the problem? (Choose three)
The stapler is empty
The staples are in backward
A different printer driver is needed
The stapler is not enabled
The stapler is empty
A different printer driver is needed
The stapler is not enabled
1101-Chap5-62: A user reports that their smartphone is always overheating and constantly locks up. What should you advise them to do?
Replace the battery
Open the power app and set the phone to operate on low voltage setting
Turn off the phone and let it cool down
Replace the phone
Replace the phone
1101-Chap5-67: You’re troubleshooting a computer that won’t boot properly. When the computer is turned on, the power supply fan spins, but the computer will not POST. When you remove the cover, you notice a swollen capacitor on the mobo. What should you do?
Replace the power supply
Replace the capacitor
Replace the motherboard
Discharge the capacitor
Replace the motherboard
CompTIA Troubleshooting (Best Practice) Methodology to resolve problems
1- Identify the Problem
2- Establish a theory of probably cause (question the obvious)
3- Test the theory to determine the cause
4- Establish a plan of action to resolve the problem and implement the solution
5- Verify full system functionality, and if applicible, implement preventive measures
6- Document the findings, actions and outcomes
1101-Chap5-72: The corporate finance team is getting ready for a presentation in the conference room in about an hour. Thye frantically called you because the image the projector is putting out on the screen is fuzzy. Which of the following is least likely the cause?
The projector’s lens needs to be cleaned
The projector’s lens needs to be adjusted
The constrast setting is too high
The PC’s resolution is too high for the projector
The constrast setting is too high
1101-Chap5-75: A user is complaining that their mouse drifts away on its own while they are working on their company laptop. They have changed the batteries, gotten a new mouse pad, and cleaned the mouse’s sensor. What should they try next to resolve the issue? (Choose two)
Remove and reinstall the mouse driver
Get a new mouse
Plug the mouse into a different USB port
Disable the mouse in the control panel
Remove and reinstall the mouse driver
Plug the mouse into a different USB port
1101-Chap5-84: Laser printer users are complaining that their print jobs aren’t printing. They’re using an accounting package that won’t let them reprint the reports they have printed. When you look at the print queue you see their print jobs are just sitting there. What will you do? (Choose two)
Ensure the printer is turned on
Ensure there is paper in the printer
Stop and restart the print server service
Delete and reinstall the printer in the OS
Ensure the printer is turned on
Ensure there is paper in the printer
1101-Chap5-87: A user has a hard drive that needs to be replaced. Before you establish a plan of action to resolve the problem, and implement the solution, what should you do?
Verify full system functionality
Refer to the corporate policy for handling hard drive data
Document the findings, actions and outcomes
None of these
Refer to the corporate policy for handling hard drive data
1101-Chap5-89: Your home computer was working fine yesterday but today you get an error stating bootable device not found. Which of the following is most likely?
The hard drive has failed
The OS was deleted
The POST is faulty
A USB drive is in the port
A USB drive is in the port
1101-Chap5-91: Users on your network are expericening VoIP calls where they only hear every other word. What is this a symptom of?
Jitter
High bandwidth
Packet loss
Low latency
Packet loss
1101-Chap5-98: You are troubleshooting a Win10 computer that has crashed. It displays a BSoD with the error: “UNEXPECTED_KERNEL_MODE_TRAP” on it. Which component is most likely caused this problem?
RAM
CPU
SSD
PSU
RAM
1101-Chap5-106: While plugging in a VGA display, a user bent some of the pins on the connector. You attempted to straighten them, but two broke off. If you use this display, what will most likely happen?
It will work properly
It will display incorrect colors
It will display a distorted image
It will produce dim or flickering images
It will display incorrect colors
MacOS computer -> beeps every 5 seconds during startup
RAM issue
1101-Chap5-109: Your child has a new 3D printer. They’ve been having fun printing all sorts of things, but today it’s making a grinding noise and not moving. What can you do quickly that might fix it? (Choose two)
Ensure that the cable moving the printhead moves freely
Check for blockages and debris
Replace the printer’s ink ribbon
Replace the printhead
Ensure that the cable moving the printhead moves freely
Check for blockages and debris
1101-Chap5-115: You have a Xerox color multifunction printer that is making a grinding noise. What is the first thing you’ll try to fix the problem?
Replace the toner cartridge
Clean the printhead lenses
Perform a software reset
Gently shake the toner cartridge
Perform a software reset
1101-Chap5-119: Lately print jobs have been pulling multiple sheets from the tray instead of just one. You’ve verified that the paper is correct weight and that the tray is properly adjusted, and you’ve fanned the paper’s edges, but it still happens. What component will you likely need to replace in the printer?
Fusing assembly
Paper tray
Pickup roller or separation pad
Primary coronoa
Pickup roller or separation pad
1101-Chap5-120: People are complaining that the output from the company’s multifunction device has little spots all over it, and its been getting gradually worse. What will you do to correct this? (choose two)
Replace the HVPS
Ensure the correct paper is being used
Thoroughly clean the printer
Blow debris out of the printer with canned air
Ensure the correct paper is being used
Thoroughly clean the printer
1101-Chap5-125: The day after an electrical thunderstorm, you are troubleshooting a computer. After you power it up, it flashes information briefly on the screen and then reboots. It continuously reboots itself after this. Which component sare most likely to cause the problem? (Choose two)
Hard drive
Power Supply
Mobo
CPU
Mobo
CPU
1101-Chap5-128: During a meeting, the manager mentions the projector has been problematic since the start of the meeting. They tried running the projector from a few laptops with no success. Multiple pop-ups were occuiring, but is unknown what the pop-up windows reported. What might be your next step?
Open the log for information on failed jobs
Check the light source for failure
Verify that cables were attached
Allow the projector to cool down and try again
Open the log for information on failed jobs
1101-Chap5-129: A user reports the wireless internet connection will randomly shut down in the afternoon. You check the Internet router by the window to find it still has power. What is the most likely cause of this problem?
Network overloaded
Printer queue full
Wireless router overheating
Workstation requires patching
Wireless router overheating
1101-Chap5-136: You are troubleshooting a desktop computer that is exhibiting erratic behavior. As part of establishing a theory of probably cause, what next step should you take, as part of the best practice methology to resolve problems?
Question the user and identify changesd to the computer
Determine next steps to resolve the problem
Establish a plan of action to resolve the problem
If necessary, conduct external or internal research based on symptoms
If necessary, conduct external or internal research based on symptoms
1101-Chap5-140: You are troubleshooting a Windows desktop computer that appears to be having driver issues. According to troubleshooting methodology, when is the appropriate time to perform backups of the system?
After verifying full system functionality and implementing preventive measures
Before making changes
After documenting findings, actions and outcomes
Before identifying the problem
Before making changes
Making backups are part of step 1: Identifying the problem
1101-Chap5-141: The laser printer in your office is about 8 years old. Recently, when you print, you occassionally get “low memory” error messages. What should you do to fix the problem?
Stop and restart the print spooler
Implement printing priorities for the most important users
Upgrade the printer’s memory
Upgrade the printer’s hard drive
Upgrade the printer’s memory
1101-Chap5-150: Your friend’s home theater projector is turning off unexpectedly. Which of the following is not a possible cause?
The power cable is loose
The unit is overheating
The filter needs cleaning
The HDMI cable is loose
The HDMI cable is loose
1101-Chap5-151: Over time, the Hard Drive performance of your computer has gotten slower. A quick check of Performance Monitor shows that your disk read/writes are taking more time as compared to the baseline. What should you do to resolve the issue?
Format the hard drive and restore data
Enable write caching on the drive
Delete the partition, create new one and restore the data
Run chkdsk
Enable write caching on the drive
1101-Chap5-152: Your server’s drive read/write times are a bottleneck in your system and you’re concerned about downtime in the event of a drive failure. Which of the following will improve performance and fault tolerance?
Replace the HDD with an SDD
Install RAID 0
Install RAID 1
Install RAID 5
Install RAID 5
1101-Chap5-163: A user reports that their LCD display is flickering constantly. What is the easiest course of action to resolve this problem?
Replace the video card
Replace the display
Remove external interference such as fans or motors
Degauss the display
Replace the display
1101-Chap5-169: Your iPhone 11 has appeared to lock up. The touchscreen is unresponsive. You press and hold a volume button and the side button but it does not turn off. What should the next step be?
Press and release the volume up button, press and release the volume down button, and press and hold the side button
Use a paper clip to press the recessed reset button on the bottom of the phone to reset the phone
Hold the side button and the up and down volume buttons simultaneously for 10 second and the phone will reset
Get a new phone
Press and release the volume up button, press and release the volume down button, and press and hold the side button
1101-Chap5-170: You frequently need to carry your laptop around the building an you troubleshoot computert issues. In several places, you notice that the WiFi connection drops completely. What is the most likely cause of this problem?
You are walking too fast for the Wifi to stay connected
Low RF Signal
Oversaturated WAP
Failing WiFi Antenna in the laptop
Low RF Signal
1101-Chap5-173: You have an Android phone and its running very slowly. The apps aren’t working as fast as they used to, but you have plenty of free memory. You have rebooted the phone several times and its still slow. You have tried running only one app at a time and its still slow regardless of what app you’re running. What should you do next?
Hold the power button and the Home button simutaneously for 10 second and the phone will reset
Back up the phone, then reset it to factory specifications
Uninstall and reinstall all apps
Get a new phone
Back up the phone, then reset it to factory specifications
1101-Chap5-174: The laser printer you are using has started producing all-black pages. What should you do to fix the problem?
Use the display to initate a self cleaning cycle
Use a maintenance kit to clean the printer
Replace the toner cartridge
Turn the printer off and back on again
Replace the toner cartridge
All black pages happen when the charging unit (the charging corona wire or charging corona roller) in the toner cartridge malfunctions and fails to place a charge on the EP drum. Because the drum is grounded, it has no charge. Anyuthing with a charge (like toner) will stick to it. As the drum rotates, all of the toner is transfered to the page and a black page is formed.
1101-Chap5-176: One of your friends complains that when playing action games on their computerm the screen is slow to refresh and the motino is often jerky. Their system has a video card; their graphics are not integrated with the CPU. What should be done to resolve the problem? (choose two)
Buy a new display with a faster refresh rate
Increase system RAM
Increase video memory
Lower the screen resolution
Buy a new display with a faster refresh rate
Increase video memory
clearly the writers of this quesion NEVER built or upgraded a gaming rig….
1101-Chap5-182: A user just started having intermittent network access problems. While you’re troubleshooting, a message pops up saying Windows has detected an IP address conflict. Your network has a DHCP server. You open the user’s TCP/IP properties and its configured to all automatic. What do you need to resolve the problem?
- On the DHCP server, exclude the user’ IP address from the scope
- On the user’s computer, run ipconfig /release and ipconfig /renew
- On the user’s computer, set it to Use the Following IP Address and asing them a different address
- Use a packet sniffer to determine the computer with the duplicate address, and change that computer to obtain an IP address automatically
Use a packet sniffer to determine the computer with the duplicate address, and change that computer to obtain an IP address automatically
ping -t
continuous ping command
1101-Chap5-189: The LCD Display you use with your desktop suddenly became very dim. You have attempted to adjust the brightness settings, but even on the highest setting, the picturew is still dim. What will most likely resolve the issue?
Deguass the display
Replace the backlight
Replace the screen
Replace the inverter
Replace the backlight
1101-Chap5-190: The lines of print on your inkjet printer are unevenly spaced. Some are too close together, while others are too far apart. What is the most likely cause of this problem?
Paper feed mechanism
Exit rollers
Print cartridge
Stepper motor
Stepper motor
1101-Chap5-192: You have sent several print jobs to a networked printer and nothing has printed. You do not have printer admin access. What can you do to see whether your Windows computer is communicating properly with the printer?
Send the print job in RAW format
Stop and restart the print spooler
Print a test page
Print a blank document from Notepad
Print a test page
1101-Chap5-193: You are troubleshooting a laptop that has poor battery life. it will work for only about 30 mins on full charge. What two things should you try first? (Choose two)
Replace the battery
Perform a battery calibration
Drain the battery completely and then charge it fully
Open the Power Management app and set the laptop to run on low energy mode
Perform a battery calibration
Drain the battery completely and then charge it fully
1101-Chap5-195: You have installed a PCIe RAID controller and want to create a RAID-5 array with three disks. You plug the disks in, and boot up the computer. The RAID array is no detected. Where should you go to set up or troubleshoot the RAID array?
Windows Device Manager
Windows Disk Management
The RAID controller’s BIOS
System BIOS/UEFI
The RAID controller’s BIOS
1101-Chap5-200: You are troubleshooting a laser printer that keeps producing vertical blank lines running down the page. Which component is most likely causing this problem?
Fusing assembly
Pickup Rollers
Exit Rollers
EP Drum
EP Drum
a grove or scratch in the EP Drum can cause a line running down a page`
1101-Chap5-205: Your corporate office has sent a memo that all remote offices must use a security protocol that your WAP doesn’t support. What should you do first?
Update the WAP’s firmware
Replace the WAP
Buy all new devices
Keep using the old security protocol
Update the WAP’s firmware
IOPS
Input/Output operations per second
