What two motherboard components control the system boot operations? (Choose two.) - BIOS chip
UEFI chip
What motherboard chip controls high speed CPU communication to RAM and the video card? - Northbridge
Which tw
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What two motherboard components control the system boot operations? (Choose two.) - BIOS chip
UEFI chip
What motherboard chip controls high speed CPU communication to RAM and the video card? - Northbridge
Which two procedures can help protect against ESD when working on a computer system? (Choose two.) - the use of an antistatic wrist strap
the use of an antistatic mat
Which software tool will protect against viruses and spyware on a Windows PC? - Windows Defender
Which cleaning material should be used to clean component contacts? - isopropyl alcohol
A technician is troubleshooting a problem where many websites return a "certificate not valid" error. The technician notices that the date and time are not current and resets these to the correct settings. The previously inaccessible websites are now accessible. However, when the computer is restarted the same problem reoccurs. What can the technician do to prevent the date and time from resetting? - Replace the CMOS battery.
When a new motherboard is being installed, between which two components must thermal compound be applied? (Choose two.) - CPU
heat sink
A specific computer has an issue that could not be resolved by the help desk technician. The on-site technician finds that Windows updates have been disabled. The technician re-enables the update service, configures the computer for automatic updates, downloads and installs all missing updates, ensures the computer boots successfully, and verifies with the customer that the issue has been resolved. Which step, if any, is next? - Document the findings, actions, and outcomes.
What should a technician do before beginning any troubleshooting steps on a customer computer? - Perform a data backup.
Which document can be signed by both a user and a computer repair shop to release the shop from backing up user data? - liability release form
A technician is troubleshooting a 4-year-old computer that takes a long time to boot, and identifies that the BIOS rediscovers all the hardware at every boot. What action would fix this problem? - Replace the CMOS battery.
Which location on a hard disk is used by the BIOS to search for operating system instructions in order to boot a PC? - the active partition
A technician is asked to set up one hard drive that will support two operating systems and will store data files in three separate drive locations. Which partition settings will support these requirements? - 2 primary, 1 active, 1 extended, 3 logical
A user installs a new sound card driver in a computer that is working properly. After the installation of the drivers for the new sound card, the computer fails to boot. Which quick fix can the user implement to return to the previous working state? - Boot to Last Known Good Configuration.
A technician uses the shrink volume feature of the disk management utility and splits the partition. What must the technician do next in order to make use of the new space? - Partition the unallocated space.
A technician is using the six troubleshooting steps in an attempt to repair a PC. After completing the steps needed to test a theory and determine the cause, the technician still has not solved the problem. Which two steps are likely to be taken next by the technician to establish a plan of action and resolve the problem? (Choose two.) - Perform an Internet search.
Access helpdesk repair logs.
On a computer that will not boot, which two actions are recommended in the troubleshooting process after verifying the obvious issues such as power to the computer and display, non-bootable media, and the BIOS boot order options? (Choose two.) - Remove unnecessary peripherals.
Use the Last Known Good Configuration.
What is the distance limitation of a single data run for UTP cabling without adding networking devices? - 330 ft (100 m)
What is the default subnet mask for a Class A network? - 255.0.0.0
Which network protocol is used to automatically assign an IP address to a computer on a network? - DHCP
Which open standards-based wireless security mode supports th
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