Hardware and Network Troubleshooting Quizlet Review

Which of the following issues causes variations in the latency of VoIP packets? A. Half duplex B. QoS C. Port flapping 4. Jitter

4. Jitter

Lately, your laptop shuts down before it reaches the 5% set in your Windows Power Scheme. You suspect that the power meter is incorrectly reporting the battery power level. You want to calibrate the battery to synchronize the power meter to the actual battery charge capacity. However, the laptop system does not include a calibration tool. You decide to perform a manual calibration. Which of the following is the first step you need to take when manually calibrating the battery? A. Charge the battery to 100%. B. Unplug the laptop and run it until it reaches a level below 3%. C. Replace the battery with a known good battery. D. Change the power settings to prevent an automatic shutdown.

A. Charge the battery to 100%.

You have just installed a wireless network, but the network is experiencing slow speeds, especially when accessing the internet from your workstation. Which action should you try FIRST to resolve the issue? A. Move the wireless access point. B. Reset your wireless router to the factory defaults. C. Add a network extender. D. Move your workstation closer to the wireless access point.

A. Move the wireless access point.

Hannah has been working for your company for several years. Recently, she moved to a new department, which is located on a different floor. After the move, Hannah informs you that when she tries to print a Microsoft Word document (the same program she has always used), the printer on her new floor prints page after page of seemingly random characters. Which of the following is the MOST likely cause of Hannah's print problems? A. The wrong printer driver has been selected. B. The hard drive on the print server is corrupt. C. The program used to create the document has a bug. D. The cable connecting the printer to the network is failing.

A. The wrong printer driver has been selected.

You are assisting Ann, who reports that the display on her company-issued smartphone is too dim to read in a dark room, even after she adjusts the brightness setting. Which of the following actions should you perform FIRST? (Select two.) A. Replace the battery. B. Adjust the battery saver setting. C. Close all running apps. D. Adjust the adaptive or automatic brightness control. E. Replace the display.

B. Adjust the battery saver setting. D. Adjust the adaptive or automatic brightness control.

You have just installed a new video card in a user's Windows workstation. When the system is powered on, the screen displays in 16 colors at 640 x 480 resolution. Which of the following will BEST resolve this problem? A. Verify that the system's UEFI firmware is compatible with the video card. B. Download and install the latest driver from the video card manufacturer's website. C. Reboot the system in Safe Mode. D. Upgrade the monitor to one that supports a higher sync rate.

B. Download and install the latest driver from the video card manufacturer's website.

One of your remote account managers is complaining that customer data is disappearing from her account management application. She saves data regularly and has not had a problem until recently. Her workstation has both a solid-state drive (SSD) and a traditional hard drive. She runs the application from the SSD drive, but stores the customer data on the hard drive. She has recently moved her desk to a room in her house that is used for entertainment. The room has a sound system with several installed speakers for surround sound. Which of the following types of interference might be causing the issue with disappearing customer data? A. Radio frequency interference (RFI) B. Magnetic fields C. Electromagnetic interference (EMI) D. Negative pressure HVAC system

B. Magnetic fields

You have purchased an LED monitor and connected it to the HDMI port on your computer using an HDMI cable. You configure the screen resolution to 1280 x 1024 with 32-bit color. The geometry of the images displayed on the screen appear to be distorted. What should you do to correct the problem? A. Increase the hardware acceleration setting on the video driver. B. Set the display resolution to the native resolution of the monitor. C. Update the video driver to the latest version. D. Change the screen resolution to 1400 X 1050. E. Use a DVI cable to connect the monitor instead of an HDMI cable.

B. Set the display resolution to the native resolution of the monitor.

Aubrey, an employee in the marketing department, has told you that when she prints to her laser printer, faint ghost-like images are being printed on her new page. As an IT administrator, you check with other employees who use the same printer and find that they are not experiencing the same problem. Which of the following would be the BEST fix for this issue? A. Use 99% isopropyl alcohol and a soft cloth to gently clean the imaging drum. B. Use pre-printed paper that has been printed with laser-compatible print toner. C. Remove the toner cartridge and gently shake it to equally distribute the image toner. D. Replace the imaging drum, as it is probably at end of life.

B. Use pre-printed paper that has been printed with laser-compatible print toner.

A few of your employees have complained that their computers sometimes shut down spontaneously. You have noticed that these employees all work in a part of the building where the air conditioning does not adequately cool the room. These employees also use CPU-intensive programs. You suspect that the spontaneous shutdowns are caused by overheating. Which of the following is the simplest way to monitor the temperature of these computers' CPUs? A. Place thermostats on the CPUs. B. View the temperature from within the BIOS. C. Place thermostats on the PCs at the warmest locations. D. Touch the PCs with your hand or fingers.

B. View the temperature from within the BIOS.

After removing the printed paper from your laser printer, the toner smudges and can be wiped off in places. Which of the following printer components is MOST likely causing the problem? A. Print drum B. Primary corona C. Fuser rollers D. Secondary corona

C. Fuser rollers

You have installed a new computer with a quad-core 64-bit processor, 6 GB of memory, and a PCIe video card with 512 MB of memory. After installing the operating system, you see less than 4 GB of memory showing as available in Windows. Which of the following actions would MOST likely correct this issue? A. Disable the AGP aperture in the BIOS. B. Flash the BIOS. C. Install a 64-bit version of the operating system. D. Update the memory controller driver in Device Manager.

C. Install a 64-bit version of the operating system.

Which of the following tools is specifically designed to test the DC voltage on a hard disk drive power connector? A. Loopback plug B. Toner probe C. Power supply tester D. Cable tester

C. Power supply tester

After starting your Apple iMAC computer, you immediately experience the Spinning Pinwheel of Death (SPoD) crash screen. Which of the following should you do FIRST to try to resolve the problem? A. Revert the system to a previous state. B. Clear the dyld cache. C. Try to reboot the computer. D. Scan the computer for viruses.

C. Try to reboot the computer.

You have recently purchased a 3D resin printer. After printing out a few 3D objects, the printer begins producing grinding noises. What is the MOST likely cause of the issue? A. Misaligned printer head B. Blockage in the printer drum C. An out-of-alignment printer drum D. Loose printer screws

D. Loose printer screws

Jared has just installed an additional HDD on his Windows computer for storing multimedia files. He inserts a DVD disc to watch a movie with his usual movie player software, but the movie fails to play. In fact, the player indicates that there is no DVD drive available. What is the BEST first step that Jared should take to resolve the issue? A. Use Device Manager to make sure the DVD drive is being recognized by the system. B. Open the case and make sure that the DVD drive is connected to the power supply. C. Eject the DVD disc and re-insert it to make sure the drive is reading the disc properly. D. Make sure the movie player is pointing to the correct drive letter for the DVD drive.

D. Make sure the movie player is pointing to the correct drive letter for the DVD drive.

Which tool would you use to measure electrical properties, such as voltage, amps, and resistance? A. Cable tester. B. Network tap C. Mini electronic combination wrench set D. Multimeter

D. Multimeter

Which of the following is a common cause for high latency issues on a network? A. A bad switch or router B. Limited connectivity C. Malware D. Port flapping

D. Port flapping

After restoring the operating system on a mobile device, the touchscreen operates unpredictably. This happens in both the default orientation or when the screen is rotated. Which of the following BEST helps you correct the problem? A. App Store B. Virtual Assistant C. Wi-Fi calling D. Screen calibration

D. Screen calibration

A user generates printouts consisting of several pages of seemingly random characters every time he prints to a network printer. The printer seems to work fine for all other users. What is the MOST likely cause of the problem? A. The printer was shared with insufficient network privileges. B. The user's network settings are incorrect. C. The network cable to the printer is defective. D. The user is using an incorrect printer driver.

D. The user is using an incorrect printer driver.