PC Missed Questions
How many threads can a quad-core processor handle at once?
It can handle eight threads; each core can handle two threads.
You have a contactless magnetic stripe and chip reader by Square. What type of wireless transmission does the device use to receive encrypted data?
NFC
A DIMM memory ad displays 5-5-5-15. What is the CAS Latency value of this DIMM?
The CAS latency values is CL5 because the first value stated is 5.
What prevents a DDR3 DIMM from being installed in a DDR4 DIMM slot on a motherboard?
The position of one notch on the DIMM module prevents it from being installed.
In memory ads for DIMMs, you notice DDR 2400 CL15 in one ad and PC4 21300 CL9 in another. Which ad is advertising the faster memory?
The second ad showing PC4 21300 is advertising the faster memory. The lower the CAS latency, the faster the memory.
Jorge has asked you to explain to him how a touch pen can work with his Android tablet. Which of the following are true statements about touch pens? (Choose all that apply.) a. A touch pen might use a Bluetooth connection to write on a tablet. b. A touch pen is made of material that can touch the screen without damaging it. c. A touch pen might need charging. d. A touch pen does not use a Wi-Fi connection.
a,b,c,d
Which of the following IPv6 addresses are global addresses allowed on the Internet? (Choose all that apply.) a. 128-bit IP addresses that begin with 2001 b. 128-bit IP addresses that begin with 2000 c. 32-bit IP addresses that begin with 9 in the first octet d. 128-bit IP addresses that begin with 8888
a. 128-bit IP addresses that begin with 2001 b. 128-bit IP addresses that begin with 2000
What is a reasonable wattage capacity for a power supply to be used with a system that contains a DVD drive, three hard drives, and a high-end video card? a. 700 W b. 1000 W c. 150 W d. 250 W
a. 700 W
Your new company is setting up its first website with a public IP address it has leased from its ISP. Your manager has asked you to set up the necessary DNS records so the website can be found on the web. Which type of DNS record will you create? a. A record b. AAAA record c. MX record d. CNAME record
a. A record
Android and iOS both offer a quick swipe to get to some basic settings such as those that allow you to turn on Bluetooth and adjust brightness. What are these tools called? a. Android Notifications and iOS Control Center b. Android Settings app and iOS Notifications c. Android Control Center and iOS Notifications d. Android Notifications and iOS Notifications
a. Android Notifications and iOS Control Center
Which of the following tools can be used to determine if a network cable is good? (Choose all that apply.) a. Cable tester b. Crimper c. Loopback plug d. Patch Panel
a. Cable tester c. Loopback plug
You have just installed Windows 10 and now want to install your favorite game that worked fine under Windows 8.1. When you attempt the installation, you get an error. What is your best next step? a. Download any updates to Windows 10. b. Purchase a new version of your game—one that is compatible with Windows 10. c. Install a VM running Windows 8.1. d. Reinstall Windows 8.1.
a. Download any updates to Windows 10.
Your organization has several Mac and Windows laptops that all access data on a file server on the local network. Which file system on the Linux file server is best suited to this situation, and how do you best set it up? a. FAT32; on a different partition than the one that holds the Linux installation b. ext4; on the same partition that holds the Linux installation c. APFS; on a different partition than the one that holds the Linux installation d. NTFS; on the same partition that holds the Linux installation
a. FAT32; on a different partition than the one that holds the Linux installation
What does a web server use port 80 for, and what does it use port 443 for? a. For unsecured transmissions; for secured transmissions b. For sending data; for receiving data c. For communication with browsers; for communication with smartphones d. For secured transmissions; for unsecured transmissions
a. For unsecured transmissions; for secured transmissions
Which of the following IP addresses are recommended for private networks? (Choose all that apply.) a. IP addresses that begin with 10 as their first octet b. IP addresses that begin with 172 as their first octet c. IP addresses that begin with 192.168 as their first two octets d. IP addresses that begin with 192 as their first octet
a. IP addresses that begin with 10 as their first octet c. IP addresses that begin with 192.168 as their first two octets
You are looking at a motherboard that contains Z490 in the motherboard model name, and the socket appears to be an Intel LGA socket. Which socket is this board most likely using? a. LGA1200, 10th generation b. LGA1151, 7th generation c. LGA1151, 8th generation d. LGA1151, all generations
a. LGA1200, 10th generation
You have just installed a new DVD drive and its drivers in Windows. The drive will read a CD but not a DVD. You decide to reinstall the device drivers. What is the first thing you do? a. Open Device Manager and uninstall the drive. b. Open the Settings app and click the System group. c. Open Device Manager and choose Update Driver. d. Remove the data cable from the DVD drive so Windows will no longer recognize the drive and allow you to reinstall the drivers.
a. Open Device Manager and uninstall the drive.
Of the following hard drives, which one is fastest? a. PCIe NVMe SSD card b. SATA 6 Gb/s 10,000 RPM drive c. SATA 6 Gb/s SSD d. M.2 SSD using a SATA Revision 3.0 interface
a. PCIe NVMe SSD card
Which port is used by either TCP or UDP when Windows shares files across a local network? a. Port 445 b. Port 443 c. Port 3389 d. Port 53
a. Port 445
Which ports might you use when configuring email client/server applications? (Choose all that apply.) a. Ports 25, 110, and 143 b. Ports 21, 22, and 23 c. Ports 22, 110, and 143 d. Ports 67, 68, 80, and 110
a. Ports 25, 110, and 143
You have two matching hard drives in a system, which you plan to configure as a RAID array to improve performance. Which RAID configuration should you use? a. RAID 0 b. RAID 1 c. RAID 5 d. RAID 10
a. RAID 0
Your manager asks you to work through the weekend to install new software on the applications server that serves up applications to 20 users. The following Monday, all users report they cannot open their data files. After speaking with technical support for the new application, you discover it is not compatible with the old data files. Which type of documentation should you refer to first to address this problem? a. Risk analysis documents b. Change management documents c. Rollback plan documents d. Scope of change documents
a. Risk analysis documents
You upgrade a faulty PCIe video card to a recently released higher-performing card. Now the user complains that Windows hangs a lot and gives errors. Which is the most likely source of the problem? a. The drivers for the card need updating. b. Windows does not support the new card. c. Memory is faulty. d. A component of the computer is overheating.
a. The drivers for the card need updating.
You have just upgraded memory on a computer from 4 GB to 8 GB by adding one DIMM. When you first turn on the PC, the memory count shows only 4 GB. Which of the following is most likely the source of the problem? What can you do to fix it? a. The new DIMM is not properly seated. b. The DIMM is installed in the wrong slot. c. Windows is displaying an error because it likely became corrupted while the computer was disassembled. d. The new DIMM you installed is faulty.
a. The new DIMM is not properly seated.
Which OS is most appropriate to support a web server on the Internet? a. Ubuntu Server b. Windows 10 Pro c. Chrome OS d. macOS
a. Ubuntu Server
You discover Event Viewer has been reporting hard drive errors for about a month. What is the first solution you should try to fix the problem? a. Use the chkdsk command to repair the drive. b. Replace the drive with a known good one. c. Use Explorer to reformat the drive. d. Download and install firmware updates to the drive from the hard drive manufacturer.
a. Use the chkdsk command to repair the drive.
You have three VMs running on a Windows 10 computer. Two of the VMs—machines A and B—can communicate with the Internet and other network resources, as is the host Windows 10 machine. However, one VM, machine C, cannot access websites on the Internet. What is the first component you check? a. VM C's virtual NIC b. The switch connected to the host machine c. The host machine's hypervisor settings d. The host machine's network adapter
a. VM C's virtual NIC
Someone asks you for help with a computer that hangs at odd times. You turn it on and work for about 15 minutes, and then the computer freezes and powers down. What do you do first? a. Wait about 30 minutes for the system to cool down and try again. b. Install an additional fan. c. Replace the power supply. d. Replace the surge protector.
a. Wait about 30 minutes for the system to cool down and try again.
You plug a new scanner into a USB port on your Windows system. When you first turn on the scanner, what should you expect to see? a. Windows Device Setup launches to install drivers. b. An error message from the USB controller is displayed. c. Your system automatically reboots. d. A message is displayed by the scanner software telling you to reboot your system.
a. Windows Device Setup launches to install drivers.
Which command would you use to find out how much RAM is installed in a computer? a. msinfo32.exe b. gpedit.msc c. devmgmt.msc d. msconfig.exe
a. msinfo32.exe
A motherboard has four DIMM slots; three slots are gray and the fourth is black. What type of memory is this board designed to use? a. DDR4 b. DDR3 c. DDR5 d. All the options listed.
b. DDR3
Which statements are false about the GPT partitioning system? (Choose all that apply.) a. It supports up to 128 partitions. b. It contains the legacy MBR system for backward compatibility. c. It can only be installed on drives that are larger than 2 TB. d. It keeps a backup copy of the GPT table.
b. It contains the legacy MBR system for backward compatibility. c. It can only be installed on drives that are larger than 2 TB.
Which of the following situations allows for data not to be lost in a RAID array? a. RAID 0 and one hard drive fails b. RAID 1 and one hard drive fails c. RAID 5 and two hard drives fail d. RAID 10 and three hard drives fail
b. RAID 1 and one hard drive fails
Which component in a thin client might need a higher rating than other components? a. The CPU, because most of the processing is done on the thin client b. The NIC, because most of the processing is done on the server c. The hard drive, because a VM takes up a large amount of hard drive space d. RAM, because the system must have enough to hold a virtual desktop
b. The NIC, because most of the processing is done on the server
A computer on a LAN is not able to connect to the Internet even though other computers on the LAN are able to connect. You use the ipconfig command to discover the IP address of the computer is 169.254.18.45. What can you conclude from this information? a. The router's DHCP server is not configured correctly. b. The computer did not connect to the router to receive a dynamic IP address. c. The computer's NIC is not functioning correctly, or a port on the router is bad. d. The ISP connection is down, and you need to reboot the router.
b. The computer did not connect to the router to receive a dynamic IP address.
You are not able to print a test page from your Windows computer to your local, USB-connected Canon Pixma printer. Which of the following are possible causes of the problem? (Choose all that apply.) a. The network is down. b. The printer cable is not connected properly. c. The Windows print spool is stalled. d. File and printer sharing is not enabled.
b. The printer cable is not connected properly. c. The Windows print spool is stalled.
A customer has a system with a Gigabyte B450 Aorus Pro motherboard. He wants to upgrade the processor from the AMD Athlon X4 950 to the AMD Ryzen 7 2700X. Which of the following accurately describes this upgrade? a. The upgrade is not possible because the new processor is not supported by this motherboard. b. The upgrade is possible and will yield a significant increase in performance. c. The upgrade is possible, but it will not yield a significant increase in performance. d. The upgrade is not possible because this motherboard has an embedded processor that cannot be exchanged. Cengage Learning, Inc. This content is not final and may not match the published product.
b. The upgrade is possible and will yield a significant increase in performance.
What should you immediately do if you turn on a computer and smell smoke or a burning odor? a. Find a fire extinguisher. b. Unplug the computer. c. Dial 911. d. Press a key on the keyboard to enter BIOS setup.
b. Unplug the computer.
Your desktop computer has DVI and HDMI video ports. If a DVI monitor does not work on your system but you know the monitor is good, what is the best solution? a. Replace the motherboard with another motherboard that has a DVI port. b. Use a DVI to HDMI adapter to use the current DVI monitor and cable. c. Install a video card in your computer with a DVI port. d. Buy a new HDMI monitor to use with the HDMI port.
b. Use a DVI to HDMI adapter to use the current DVI monitor and cable.
You have four hard drives on hand and need a replacement drive for a desktop system. The documentation for the motherboard installed in the system says the board has six SATA 3 Gb/s connectors and one IDE connector. Which of the four hard drives will work in the system and yield the best performance? a. Ultralock IDE ATA 4500-RPM 3.5" HDD b. WD 3.5" 7200-RPM SATA Revision 3.0 HDD c. Seagate IDE ATA 4500-RPM 3.5" HDD d. WD 2.5" 4500-RPM SATA 6 Gb/s HDD
b. WD 3.5" 7200-RPM SATA Revision 3.0 HDD
Your manager bought a new printer with a USB 3.0 port, and it came with a USB 3.0 cable. Your manager asks you if the printer will work if they connect the printer's USB cable into a USB 2.0 port on their computer. What is your answer? a. No, the printer can only use a USB 3.0 port. b. Yes, it will work, but at the USB 2.0 speed. c. Yes, it will work at the USB 3.0 speed. d. Yes, it will work, but at the UBS 1.1 speed.
b. Yes, it will work, but at the USB 2.0 speed.
Which of the following might cause you to flash BIOS/UEFI? a. Windows continually shows the wrong date and time. b. You are installing an upgraded processor. c. Windows displays error messages on the screen at startup and fails to start. d. You are installing a new graphics card to replace onboard video.
b. You are installing an upgraded processor.
A power-over-Ethernet (PoE) switch provides power to end devices. What is the maximum voltage provided by a PoE1 switch port to the device? a. 17 watts b. 34 watts c. 25.5 watts d. 15.4 watts
c. 25.5 watts
You want to install an SSD in your desktop computer, but the drive is far too narrow to fit snugly into the bays of your computer case. Which of the following do you do? a. This SSD is designed for a laptop. Flash BIOS/UEFI so your system will support a laptop hard drive. b. Use a special SATA controller card that will support the narrow hard drive. c. Buy a bay adapter that will allow you to install the narrow drive in a desktop case bay. d. Install the SSD in a laptop computer.
c. Buy a bay adapter that will allow you to install the narrow drive in a desktop case bay.
Cable and fiber-optic modems are increasing in popularity with ISPs across the United States. While these are great for stationary connections to the Internet, travelers need another option for connectivity. Which of the following can provide a cost-effective solution for connectivity? a. Long-range fixed wireless b. Satellite c. Cellular WAN d. DSL
c. Cellular WAN
What should you do if an inkjet printer prints with missing dots or lines on the page? a. Change the toner cartridge. b. Replace the image drum. c. Clean the inkjet nozzles. d. Clean the heating element.
c. Clean the inkjet nozzles.
You are setting up a Windows 10 desktop computer that requires 3 TB of storage. Which option is the best practice? (Choose all that apply.) a. Install two 1.5 TB hard drives with the GPT partitioning systems and 32-bit Windows 10. b. Install two 1.5 TB hard drives with the MBR partitioning systems and 64-bit Windows 10. c. Install two 1.5 TB hard drives with the GPT partitioning systems and 64-bit Windows 10. d. Install one 3 TB hard drive with the MBR partitioning system and 64-bit Windows 10.
c. Install two 1.5 TB hard drives with the GPT partitioning systems and 64-bit Windows 10.
After installing the device drivers for a video adapter, you still are not able to use the special features of the adapter. What is your next step? a. Update Windows. b. Check the website of the video adapter's manufacturer for guidance. c. Open Device Manager and check for errors. d. Uninstall the adapter and try the installation again.
c. Open Device Manager and check for errors.
Office 365 is an example of what type of cloud computing service model? a. IaaS b. PaaS c. SaaS d. Application streaming
c. SaaS
When connecting a wireless device to a Wi-Fi network, the network is identified by which of the following? a. Domain name b. IP address c. Service Set Identifier d. MAC address
c. Service Set Identifier
Decide which of these statements about SATA and SAS data storage interfaces are true. a. SAS interfaces are expected to replace SATA interfaces for home use. b. The SATA interface is better suited than the SAS interface for use in servers where many users will be using the data at the same time. c. The SAS interface is more than three times faster than the SATA interface. d. Because SATA drives are less expensive, higher-volume drives are more common in small offices.
c. The SAS interface is more than three times faster than the SATA interface.
Which Chromebook security feature ensures that malware can't change the OS's system files? a. Quick updates b. Sandboxing c. Verified boot d. Power washing
c. Verified boot
An experienced user has installed Oracle VM VirtualBox on her workstation and is attempting to use it to create a virtual machine (VM). The software is causing error messages while attempting to create the VM. What is the most likely problem? a. The processor is not rated to support VirtualBox and VMs. b. The version of Windows she is using is not rated for installations of Oracle software. c. Virtualization is not enabled in BIOS/UEFI. d. The user does not know how to use the software.
c. Virtualization is not enabled in BIOS/UEFI.
The GeForce GTX 1060 graphics card requires 120 W of power. You plan to install it in a PCIe 3.0 316 slot. Will you need to also install extra power to the card? If so, how can you do that? a. Yes. The PCIe 3.0 316 slot provides 75 W, and you need to connect the card using a PCIe 8-pin connector to gain additional power. b. No. The PCIe 3.0 316 slot provides all the necessary power, and no extra power connection is required. c. Yes. The PCIe 3.0 316 slot provides 75 W, and you need to connect the card using a PCIe 6-pin connector to gain additional power. d. Yes. The PCIe 3.0 316 slot provides 100 W, and you need to connect the card using a Molex connector to gain an additional 20 W.
c. Yes. The PCIe 3.0 316 slot provides 75 W, and you need to connect the card using a PCIe 6-pin connector to gain additional power.
You have 32-bit Windows 8.1 installed on your computer, and you purchase a license for Windows 10 Pro. You want to install Windows 10 using the 64-bit architecture. In which way can you install Windows 10? a. You can perform an upgrade but not a clean install. b. You can perform an upgrade or a clean install. c. You can perform a clean install but not an upgrade. d. None of the answers are correct.
c. You can perform a clean install but not an upgrade.
Which of the following must be done before you can install the Intel Core i7-7700 processor on the Gigabyte GA-H110M-S2 motherboard? a. Install motherboard drivers. b. Exchange the LGA1151 socket for one that can hold the new processor. c. Clear CMOS RAM. d. Flash BIOS/UEFI.
d. Flash BIOS/UEFI.
You're responding to a troubleshooting ticket about a laser printer in HR that isn't working. According to the ticket, the printer runs the print job and successfully sends the paper through with the text printed correctly. However, the toner smudges easily and sticks to other papers, equipment, and clothes. Which part in the printer probably needs replacing? a. Imaging drum b. Transfer roller c. Toner cartridge d. Fuser assembly
d. Fuser assembly
You're at the store to buy a car charger for your dad's iPhone. There are several options, with many different types of connectors. Which of these connectors should you choose? a. USB-C b. VGA c. microUSB d. Lightning
d. Lightning
Which of the following tools can be used to monitor network traffic by a monitoring system such as an IDS or IPS? a. Cable tester b. Tone generator and probe c. Crimper d. Network tap
d. Network tap
The PXE programming code is used to boot a computer when it is searching for an OS on the network. Where is this code stored? a. On the deployment server b. In the cloud in Azure Active Directory c. On the Windows volume of the local hard drive d. On the motherboard
d. On the motherboard
A friend has asked you to help him find out if his computer is capable of overclocking. How can you direct him? a. Show him how to access BIOS/UEFI setup and browse through the screens. b. Explain to your friend that overclocking is not a recommended best practice. c. Show him how to open the computer case, read the brand and model of his motherboard, and then do online research. d. Show him how to find System Summary data in the System Information utility in Windows and then do online research.
d. Show him how to find System Summary data in the System Information utility in Windows and then do online research.
Which DNS record type is used to provide information intended to help filter email to allow only trusted sources? a. AAAA records b. A records c. CNAME records d. TXT records
d. TXT records
You turn on your Windows computer and see the system display POST messages. Then the screen goes blank with no text. Which of the following items could be the source of the problem? a. The video card b. The monitor c. Microsoft Word software installed on the system d. Windows
d. Windows
Which installation of Windows 10 requires you to enter a product key during the install process? a. You are replacing a failed hard drive that already had Windows 10 installed. b. You are replacing a failed motherboard on a system with Windows 10 installed and a Microsoft account had been used to sign in to Windows. c. Windows 10 has become corrupted, and you decide to perform a clean install to recover the OS. d. You are replacing a failed motherboard on a system with Windows 10 installed and a Microsoft account was not used to sign in to Windows.
d. You are replacing a failed motherboard on a system with Windows 10 installed and a Microsoft account was not used to sign in to Windows.
A computer freezes at odd times. At first, you suspected the power supply of overheating, but you h have eliminated overheating and replaced the power supply without solving the problem. What do you do next? a. Replace the processor. b. Replace the motherboard. c. Reinstall Windows. d. Replace the memory modules. e. Flash BIOS/UEFI.
e. Flash BIOS/UEFI.
A laptop has an SD card slot that no longer reads cards inserted in the slot. Which is the first and best solution to try? a. Purchase a USB memory card adapter to replace the SD card slot. b. Replace the card reader on the system board, being careful to only use parts sold or recommended by the laptop manufacturer. c. Update Windows on the laptop. d. Download and install the latest drivers from the laptop manufacturer for the card slot. e. Reinstall Windows on the laptop.
e. Reinstall Windows on the laptop.
