Testout PC Pro A+ Certification Practice Exam Questions and Answers, Exams of Advanced Education

Download Testout PC Pro A+ Certification Practice Exam Questions and Answers and more Exams Advanced Education in PDF only on Docsity! Testout PC Pro A+ Certification Practice Exam With 100% Correct Answers 2023 Which of the following are CRT monitor characteristics? (select two) - Correct Answer- 1) CRT monitors use an electron beam that hits phosphor dots inside of a vacuum tube 2) CRT monitors have a 4:3 aspect ratio which matches the display ratio of a T.V. set. Which of the following are advantages of solid state storage compared to hard drives? (select two) - Correct Answer-1) Lower power requirements 2) No moving parts Which optical media has the greatest storage capacity? - Correct Answer-Single-layer, single-sided Blu-ray disc. You are in the process of configuring a new computer. The motherboard has four memory slots and supports duel channel memory. You install two memory modules. When you boot the computer, the BIOS recognizes both modules, but the memory is not configured to run in dual channel mode. What should you do? - Correct Answer- Move the modules to the correct motherboard slots You just purchased an external SCSI hard drive for your desktop workstation. What should you do before you connect it to the system? - Correct Answer-Set the drive's SCSI ID Which of the following are true regarding a dual-channel memory bandwidth configuration? (select two) - Correct Answer-1) The memory controller must support dual-channels. 2) Bandwidth is increased by 5-15% Which of the following is true of LED monitors? - Correct Answer-LED monitors use LED backlight technology. Which of the following standards provides for data transfer rates up to 480 Mbps with a max cable length of 5 meters? - Correct Answer-USB 2.0 Which of the following are characteristics of Bluetooth? (select two) - Correct Answer-1) 2.4 GHz radio wireless 2) Ad hoc connections You have installed a new computer with a dual 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 available in Windows. What should you do? - Correct Answer-Install a 64-bit version of the operating system Which feature on Intel chips allows a single processor to run two threads in parallel, instead of processing single threads linearly? - Correct Answer-Hyper-threading When do you need to upgrade the system BIOS? - Correct Answer-Whenever a BIOS update provides functionality not currently supported that is required by the OS or hardware Which of the following use Centronics-type connectors? - Correct Answer-Parallel Which of the following is an advantage to purchasing a computer with video and audio integrated onto the motherboard? - Correct Answer-Lower overall system cost Which of the following would indicate when a system case cover is removed? - Correct Answer-Chassis intrusion detection A portable computer connected to a printer with an infrared interface works fine inside your office. However, when you go outside it works sporadically. How can you fix this? (select two) - Correct Answer-1) Block any direct and reflected sunlight from the pathway between the PC and printer 2) Move the printer closer to the computer Which of the following functions are not associated with a CNR? - Correct Answer- Video Which of the following drive configurations uses striping without fault tolerance? - Correct Answer-RAID 0 You want to purchase a home theater. Which hardware selection criteria would be most important for this system? (select two) - Correct Answer-1) Home Theater PC (HTPC) form factor 2) Video card with HDMI output What is the approx bus speed of DDR2 memory rated at PC2-5300? - Correct Answer- 333 MHz Which of the following types of SCSI termination uses voltage regulators in conjunction with resistors to terminate the SCSI bus? - Correct Answer-Active Termination Which of the following will most likely contain SODIMM memory? - Correct Answer- Notebook computers 2) CD 3) DVD A D-shaped 25-pin female port on the back of a computer is a: - Correct Answer- Parallel port A user has called to complain that he can't save a file to a floppy disk in his floppy drive. What should you do first? (select two) - Correct Answer-1) Verify that the disk has been inserted and properly formatted 2) Make sure the write-protection tab on the disk isn't set Which of the following statements are true regarding power supply wattage? (select two) - Correct Answer-1) The wattage requirement for each individual circuit uses this formula: W = V * A 2) A "watt" describes how much work or how much power can be supplied to various devices What is the maximum transmission speed for Bluetooth devices? - Correct Answer-3 Mbps Which of the following processor features is used to dynamically reduce power consumption based on current operating conditions? - Correct Answer-Throttling You're configuring devices on a SCSI bus. You've installed a SCSI adapter in an expansion slot. You've connected an external SCI tape drive to the external port on the adapter. you've connected two hard SCSI HDDs (sd0 and sd1) to two of the middle connectors on the interlan SCSI ribbon cable. The end connector on the internal SCSI ribbon cable is connected to a SCSI DVD drive. Where should termination be enabled on this bus? (select two) - Correct Answer-1) On the external tape drive 2) On the DVD drive Which interface is primarily used for internal HDDs in modern desktop PC systems? - Correct Answer-SATA Which of the following CRT monitors is capable of producing a picture with the least amount of flicker? - Correct Answer-Non-interlaced You have just installed a new IDE DVD drive in your computer to replace the one that stopped working. When you play a music CD, you cannot hear any sound coming from your computer speakers. When you try to play a file saved on the hard disk, everything works correctly. What should you do? - Correct Answer-Connect the audio port on the DVD drive to the audio input on the sound card or motherboard Your monitor displays a large black border around the main screen image. Where should you go to fix this problem? - Correct Answer-Monitor hardware controls You are installing a PCIe video card in a new computer. The video card has connectors for both monitors. The card has a fan, but the fan does not draw power from the PCIe bus to operate. Which of the following will be part of the installation? - Correct Answer- Connect a 6 or 8-pin power connector to the video card You want to be able to watch live TV on your computer and record TV shows from over- the-air digital TV stations. Your computer already has a video card, so you want to purchase an add-on card to provide the TV tuner input capabilities. Which of the following should be part of the configuration process? (select two) - Correct Answer-1) Purchase a card that supports ATSC 2) Connect the TV input to the tuner card using coaxial cable and F-type connectors A customer needs to use several applications. Currently, the computer cannot keep all the necessary applications open at the same time. Which of the following components should you consider upgrading? - Correct Answer-Memory You have just built a new computer running Windows. The motherboard has several built-in USB ports. You connect a device to one of these ports, but the device runs in USB 1.1 mode instead of 2.0 mode. What should you do? - Correct Answer-Edit the CMOS settings to configure the USB ports to use USB 2.0 You have connected a USB hub to your computer. Connected to the hub is a scanner, a USB thumb-drive, and an external HDD. How many IRQs are needed for the USB devices? - Correct Answer-1 Which of the following interfaces can be used to connect a keyboard and mouse? - Correct Answer-PS/2 You have just finished upgrading the power supply in your desktop computer. Now the hard disk will not work. What should you do first? - Correct Answer-Make sure the power connectors on the hard disk are plugged in all of the way You are trying to troubleshoot a power supply issue with a voltmeter. Which of the following options are common voltages produced by a desktop power supply? (select two) - Correct Answer-1) +/- 5v 2) +/- 12v The display is using strange colors. Which of the following is a solution to this problem? - Correct Answer-Increase the color depth What is the major difference between the BTX and the ATX standards? (select two) - Correct Answer-1) Improved thermal management 2) Processor slot rotated 45 degrees You are looking at a female TRS connector on the computer. What devices use this connector? - Correct Answer-Speakers How would you view a list of all IRQs and the device using each IRQ? - Correct Answer- In Device Manager, click View>Resources by type Which of the following is inserted in an AMR slot to provide sound functions? - Correct Answer-Daughterboard You test adding a second CPU. You remove the terminating resistor from the second CPU slot, insert the CPU and perform your testing. Upon conclusion of the test you remove the second CPU and find that your system no longer boots up properly? How can you correct this situation? - Correct Answer-Replace the terminating resistor in the slot that was occupied by the second CPU What should you do (if possible) before flashing the BIOS? - Correct Answer-Connect the computer to a UPS Your computer has one single core processor installed. The motherboard supports processors with up to four cores. You want to upgrade your computer to a dual-core system. Which of the following will by part of your configuration? - Correct Answer- Replace the existing processor A customer has brought a computer in to be repaired. he has indicated that the sound board has stopped working as no audio is produced when music, video, or DVDs are played. What should you do first? (select two) - Correct Answer-1) Verify that the volume isn't muted 2) Verify that the speakers are plugged into the correct jack and are powered on To test a power supply, you want to use a multimeter to measure the voltage on a Molex HDD connector. To do this, you need to turn the power on. Which pins on the 24- pin motherboard connector coming from the power supply can be shunted to turn the power on? (select two) - Correct Answer-1) Pins 15 & 16 2) Pins 16 & 17 Which of the following connectors are part of the system case and connect to the header pins on the motherboard? (select two) - Correct Answer-1) HDD LED light 2) Power Switch You have been asked to implement a RAID 5 solution for an engineer's desktop. What is the minimum number of hard drives disks that can be used to configure RAID 5? - Correct Answer-3 Which of the following terms describes a PC card that you can insert and remove without rebooting the computer? - Correct Answer-Hot-swappable You have a system that has been overheating. Which of the following actions WILL NOT help to keep the system cool? - Correct Answer-Removing the computer case You have a CD-RW drive that advertises speeds of 32x/12x/48x. What is the read speed of the drive? - Correct Answer-48x You are installing an updated driver for a hardware device on your system. A dialog box displays indicating that Microsoft has digitally signed the driver you are installing. What benefits does driver signing provide? (select two) - Correct Answer-1) The driver has been tested by Microsoft 2) The driver file has not been altered You have connected a single drive to the primary IDE interface and a single drive to the secondary IDE interface. How should the drives be configured? - Correct Answer-Both drives should be set to Master or Single Drive only Where should the thermal paste go when installing a processor? - Correct Answer- Between the heat sink and the CPU You've noticed on your Windows workstation that sometimes your mouse cursor appears strange on the screen. In addition, images in Web pages you are viewing appear to be corrupt. How can you fix this problem? - Correct Answer-Decrease your video adapter's hardware acceleration. Which of the following components converts AC to DC? - Correct Answer-Power supply You have an existing system that has a single DDR3 memory module installed. You would like to add more memory to the three remaining empty memory slots. What should you do to make sure you get the right memory for the system? (select two) - Correct Answer-1) Purchase additional modules that are the same as what is currently installed 2) Check the motherboard documentation to find which modules are supported You are looking at a high-density (three-row) female DB-15 connector on the computer. What device uses this connector? - Correct Answer-VGA/SVGA monitors Your company uses Windows as a desktop OS. You need to install a new Plug-and- Play print device on a user's computer. The printer uses a parallel port interface. You connect the print device to the computer's parallel port and turn the device on. You want to use the drivers provided by the manufacturer rather than those that ship with Windows. What should you do? - Correct Answer-Run the setup program provided by the print device's manufacturer You need a type of wireless connection that can transfer data between your phone, PDA, and laptop. You are transferring sensitive information. Which would be the best choice? - Correct Answer-Bluetooth You have a desktop that you want to upgrade. You add several internal components and external components. You realize that you need to ensure that your power supply can support all of the new devices. What should you do? - Correct Answer-Upgrade to a power supply that provides more watts You have a computer with a dual core 64-bit processor that uses the x86-x64 instruction set. You want to install the 32-bit version of Windows Vista on the computer. What should you do? - Correct Answer-Install the OS normally Which of the following are considered input devices? (select two) - Correct Answer-1) Touchscreen 2) Trackball Which of the following expansion buses are most commonly used for video cards in modern computers? (select two) - Correct Answer-1) PCI Express 2) AGP What is the max cable length for the IEEE 1394a standard? - Correct Answer-4.5 meters What security measure uses a unique key that can be used for hardware system ID? - Correct Answer-Trusted Platform Module (TPM) You are trying to connect a new USB device to your computer. You install the driver, then connect the device to an open USB port. The device does not work. What should you do first? - Correct Answer-Make sure the USB device is plugged in properly What is the correct order for installing a processor for proper cooling? - Correct Answer- CPU, thermal paste, heat sink, fan What is the difference between UXGA and WUXGA displays? - Correct Answer- WUXGA has a widescreen aspect ratio You are in the process of installing a motherboard in a system case. Which of the following objects would you place between the motherboard and the system case? - Correct Answer-Standoffs What is the most important consideration when choosing a rewritable DVD drive? - Correct Answer-Media compatibility For a special project, you have been asked to recommend the lowest profile desktop computers available. You are attempting to put together the specs for these machines. Which of the following types of cards are attached to the motherboard to allow expansion cards to plug into them instead of the motherboard? - Correct Answer-Riser Which of the following is an error detection technique that can also correct the error? - Correct Answer-ECC, or Error Checking and Correction You have a video card with a DB-15 connector and a DVI-D connector. Which of the following combinations of monitors can you connect to the video card without additional conversion units? (assuming you have the necessary cables) - Correct Answer-Analog CRT monitor and digital LCD monitor You want to build a new desktop that is portable that you can easily take to your friends' house for gaming parties. Which of the following form factors would you likely select? - Correct Answer-Micro-ATX One corner of the image on an SVGA monitor always has more purple tint than the rest of the image. What is the most likely problem? - Correct Answer-Data cable All other things equal, which of the following processor sizes will consume the least amount of power? - Correct Answer-32 nm Which of the following components is an example of firmware? - Correct Answer-BIOS What method does an SDHC card use for storing data? - Correct Answer- Reprogrammable memory A SCSI HDD has three jumpers that are used to set the SCSI ID. Shunts have been placed on the first and third jumpers. What SCSI ID has been assigned to this device? - Correct Answer-5 Which of the following is the most common disk interface used for optical drives on home and office computers? - Correct Answer-SATA Which of the following is an advantage of SATA over PATA? - Correct Answer-Faster data transfer speeds 2) 64-bit processor with 6 cores Your new computer has a single parallel port integrated on the motherboard. You need to configure the parallel port to use ECP mode to support custom features of a printer. How do you do this? - Correct Answer-Edit the parallel port mode in the BIOS Which of the following functions are not associated with a CNT? - Correct Answer-Video Which of the following video card connectors provides digital video output? (select two) - Correct Answer-1) DVI-D 2) HDMI How many PATA devices can be installed on a typical modern ATX motherbord? - Correct Answer-2 What should you do before flashing the BIOS? - Correct Answer-Backup CMOS settings What is true of processor cache? (select two) - Correct Answer-1) L3 is shared between all cores 2) L1 is typically unique to a processor core Which of the following is the correct order for installation of a new USB device and the driver files that shipped with it? - Correct Answer-Install the device driver using the manufacturer's installation instructions. Attach the device. Complete the Add a Device wizard when it pops up What is the biggest advantage of 64-bit processors over 32-bit processors? - Correct Answer-The ability to use over 4 GB of memory You have a legacy non-Plug-and-Play device that must be installed under Windows. What interface do you use to manage the configuration of this device after is has been installed? - Correct Answer-Device Manager What is the most common interface for peripheral devices? - Correct Answer-USB You are configuring a new system and want to use a RAID 0 array for the OS using SATA disks and the RAID functionality built into the motherboard. Which of the following actions will you take as part of the configuration? - Correct Answer-Load the RAID drivers during the OS installation Which of the following memory ratings identifies the fastest memory? - Correct Answer- DDR3-1600 You just installed a new video card in a user's Windows workstation. However, when you power the system on, the screen is displayed in 16 colors at 640x480 resolution. Which of the following will resolve this problem? - Correct Answer-Download and install the latest driver from the video card manufacturer's web site You have just replaced the motherboard in your PC. Now your PC will not start. You press the power button on the system case, but nothing happens; there are no sounds or lights. What should you do? - Correct Answer-Connect the power button to the motherboard Which of the following actions is not recommended for keeping your system cool? - Correct Answer-Removing unused expansion card slot covers Which of the following objects is installed between the system case and the motherboard back panel I/O ports (such as sound, video, and USB ports) - Correct Answer-Faceplate Which of the following is an advantage of parallel ports over serial ports? - Correct Answer-Parallel ports have higher data transfer rates You have an AMD processor and an Intel processor, both of which have the same speed rating and both of which use the same front-side bus rate. Which of the following statements is true about the relative performance of both processors? - Correct Answer- Performance will depend on other factors such as cache and other features Your computer currently runs Windows 7 Enterprise edition. You want to create a RAID5 array using three newly-installed SATA disks. When you go to Disk Management, the option to create the RAID5 array is not available. What should you do? - Correct Answer-Install an add-on RAID controller You are installing a floppy drive. You want the floppy drive to be the A: drive. How do you do this? - Correct Answer-Install the drive after the twist in the ribbon cable Which of the following expansion buses is most commonly used for devices such as sound cards, modems, and NICs? - Correct Answer-PCI How many pins are on a VGA connector? - Correct Answer-D-shaped with 15 pins You have a computer that has four DDR2 memory slots. Currently there are two 512 MB memory modules installed. You check the motherboard documentation and find that the system has a 4 GB memory limitation. You want to add as much memory as possible without replacing the existing modules. What is the maximum amount of RAM that can be installed in the system? - Correct Answer-3 GB You are in the process of building a new computer. You would like to configure your computer to use SLI to improve performance when playing your favorite game. Which of the following will be part of the configuration process? (select two) - Correct Answer-1) Connect a monitor to one DVI port 2) Purchase a motherboard with two (or more) PCIe x16 slots You have a computer with an onboard LAN adapter. The LAN adapter has failed and you are unable to connect the computer to the network. What should you do? - Correct Answer-Add a NIC using a PCI slot Which ribbon cable is used by an ATA/133 HDD? - Correct Answer-40-pin / 80-wire Which of the following requires that either all memory slots are populated with memory modules or a continuity module? - Correct Answer-Rambus You want to build a new system that supports 6 GB of memory. Which of the following will be the most important consideration when building the computer? - Correct Answer- 64-bit processor Which of the following features is typically available through TRS ports on a sound card? (select two) - Correct Answer-1) Microphone In 2) Speaker Out A computer has a HDD and a DVD drive installed on the primary IDE channel. You decide to move the DVD drive to the secondary IDE channel. The secondary IDE interface will have no other device. What setting should you configure on the DVD drive? - Correct Answer-Master or Single You have a computer with three HDDs. A RAID0 volume uses space on Disk 1 and Disk 2. A RAID1 volume uses space on Disk 2 and Disk 3. Disk 2 fails. Which of the following is true? - Correct Answer-Data on the RAID 1 volume is accessible; data on the RAID 0 volume is not You have a computer system with two IDE channels built into the motherboard. You add a PCI expansion card that provides an additional four IDE channels. What is the maximum number of IDE devices that can be added to the system? - Correct Answer- 12 You are installing the first SATA drive into a desktop, but you do not have the drivers for the motherboard's integrated SATA controller. Which of the following tasks will be required in the configuration process? - Correct Answer-Set the drive type in the BIOS to IDE You have a desktop PC that you have been using for 3 years in the United States. You are going on a study-abroad program for one semester and want to take your computer with you. After some research, you find that the country where you will be staying uses different voltage than what is used in the United States. What should you do so that the computer can be compatible with the electrical power in Europe? - Correct Answer- Move the switch on the power supply to a different voltage You want to upgrade all memory in your system with the fastest memory available. Which of the following would you choose? - Correct Answer-Choose the type of memory that is supported by your motherboard Your motherboard has sockets for 184-pin DIMM RAM. Which type of RAM should you install? - Correct Answer-DDR-SDRAM What is the maximum data transfer speed for USB 3.0 devices? - Correct Answer-5 Gbps You have just finished installing a new hard disk in your computer. Now the DVD drive won't work. What should you do first? - Correct Answer-Make sure the DVD drive cables are connected You have just purchased a new plug-and-play sound card that uses a PCI slot. What should you do before installing the device in your Windows system? (select two) - Correct Answer-1) Check the HCL to make sure the device is compatible with the version of Windows running on your system 2) Download the latest driver from the manufacturer's web site You have a motherboard with 4 built-in SATA connectors. What is the maximum number of SATA devices you can connect to the motherboard using the integrated ports? - Correct Answer-4 Assuming the same operating frequency, what are the advantages of DDR3 over DDR2? (select two) - Correct Answer-1) DDR3 uses less power than DDR2 2) DDR3 doubles the data transfer rate of DDR2 Select the voltages provided by an ATX power supply (select three) - Correct Answer-1) 3.3 2) 5 3) 12 Of the following, which would most likely cause a random system lockup? - Correct Answer-An overheated processor Which of the following stores important system information related to the starting of a computer? - Correct Answer-CMOS memory You are in the process of building a new computer. You would like to configure your computer to use Crossfire to improve performance when playing your favorite game. Which of the following will be part of the configuration process? - Correct Answer- Purchase two identical video cards How many devices does a single IEEE 1394 bus support? - Correct Answer-63 Which of the following form factors does not have expansion card slots on the motherboard but rather uses a riser card for expansion cards? - Correct Answer-NLX Which of the following components is necessary to save system settings when you power off the computer? - Correct Answer-CMOS battery You place a new disc in an optical drive then double-click the drive in the operating system's file browser interface. An error message appears stating that the drive is not accessible. What should you do? - Correct Answer-Wait. Then try again What is the name for the routine that tests the motherboard, memory, disk controllers, video, keyboard, and other system hardware? - Correct Answer-POST You have a laptop with a dual core processor with the following characteristics: * 1024 MB L2 cache * 125 Watts * 45nm process size You want to upgrade the processor to one that uses less power. Which of the following characteristics would most likely identify a processor that uses less power? - Correct Answer-90 Watts You are helping a customer over the phone who needs to connect to a monitor that uses a digital interface. Which port should you instruct her to look for on the back of her PC? - Correct Answer-DVI Which one of the following situations is most likely to require a system BIOS upgrade? - Correct Answer-You are upgrading a processor When would you use the degauss feature on a CRT monitor? (select two) - Correct Answer-1) The monitor displays strange colors 2) The monitor displays distorted images Which storage device types use magnetic film or aluminum platters for storing data? (select two) - Correct Answer-1) Hard disk 2) Floppy disk A system board has four 32-bit RIMM slots. You have installed one RIMM. Which of the following are correct? (select two) - Correct Answer-1) You can complete the installation by installing three continuity modules 2) You can complete the installation by installing three more RIMMs You have purchased a used computer from a computer liquidator. When you boot the computer, you find that there has been a password set on the BIOS. You need to clear the password so that you can edit the CMOS settings. You want to keep all other CMOS settings. What should you do? - Correct Answer-Move the motherboard jumper Which of the following is a characteristic of a multi-processor system? - Correct Answer- Multiple processor sockets on the motherboard Your computer has a sound card installed in a PCI slot. The sound card has stopped working, so you decide to use the sound card on the motherboard until you can replace the PCI sound card. You remove the card from the PCI slot. When you reboot, you have no sound and the built-in sound card does not show in Device Manager. What should you do? - Correct Answer-Edit the CMOS settings and enable the onboard sound Which port should you use to connect a non-amplified microphone to a sound card? - Correct Answer-Mic In You want to purchase a motherboard that has a built-in digital audio output. Which port would you likely find on the motherboard faceplate that indicates digital audio support? - Correct Answer-S/PDIF You have an existing computer running Windows 7 Enterprise. You want to configure a RAID1 array in the computer. You install two new SATA drives, then use the RAID controller integrated in the motherboard to define a RAID1 array using them. When you boot the computer, Windows does not show the logical RAID drive. What should you do? - Correct Answer-Install the drivers for the RAID controller Which of the following tasks would you complete as part of a SATA installation? - Correct Answer-Use the 15-pin power connector You have a power supply configured to receive 110 volts AC. How can you configure the power supply to receive 220 volts AC? - Correct Answer-Move the power switch on the power supply to a different voltage