TestOut PC Pro A+ 220-801 and 220-802

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?

1

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)

1) +/- 5v 2) +/- 12v

Which of the following are characteristics of Bluetooth? (select two)

1) 2.4 GHz radio wireless 2) Ad hoc connections

Which of the following statements are true? (select two)

1) 32-bit processors use only the IA-32 instruction set (also referred to as x86) 2) 64-bit processors use the x86-64 instruction set (also referred to as x64)

You are purchasing a PC system that will be used as a file and print server in a small business. Which hardware selection criteria would be most important for this system? (select two)

1) 64-bit multi-core processor 2) RAID 1+0 array

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)

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 are optical storage devices? (select three)

1) Blu-ray Disk, or BD 2) CD 3) DVD

Which of the following objects should have thermal paste applied? (select two)

1) CPU 2) Heat sink

Which of the following are CRT monitor characteristics? (select two)

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.

When you try to read a particular DVD-R, you receive an error message. Other discs work fine. Which of the following are the most likely problems? (select two)

1) Dirty or scratched disc 2) Incorrect disc format

Which of the following statements are true about the DisplayPort interface for connecting video monitors to computers? (select two)

1) DisplayPort uses a lower voltage than DVI or HDMI 2) DisplayPort can send both video and audio signals over the same cable

Which of the following are magnetic storage devices? (choose three)

1) Floppy disk 2) Tape drive 3) Hard disk

Which of the following connectors are part of the system case and connect to the header pins on the motherboard? (select two)

1) HDD LED light 2) Power Switch

You want to purchase a home theater. Which hardware selection criteria would be most important for this system? (select two)

1) Home Theater PC (HTPC) form factor 2) Video card with HDMI output

What is the major difference between the BTX and the ATX standards? (select two)

1) Improved thermal management 2) Processor slot rotated 45 degrees

You are linking multiple video cards together to increase performance. Which of the following statements are true? (select two)

1) In most cases both cards should be identical 2) Scalable Link Interface (SLI) and CrossFire are two different methods for linking video cards

What is a DB-15 connector on a sound card typically used for? (select two)

1) Joystick 2) MIDI port

Which of the following are advantages of solid state storage compared to hard drives? (select two)

1) Lower power requirements 2) No moving parts

Which of the following functions are associated with an AMR riser card? (select two)

1) Modem 2) Audio

the PS/2 ports on a computer are used for which types of devices? (select two)

1) Mouse 2) Keyboard

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)

1) On the external tape drive 2) On the DVD drive

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)

1) Pins 15 & 16 2) Pins 16 & 17

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)

1) Purchase a card that supports ATSC 2) Connect the TV input to the tuner card using coaxial cable and F-type connectors

You decide to upgrade your PC to use a faster processor. To do this, you ordered a new motherboard over the Internet that supports the processor you want to use. However, when it arrives, you discover that the motherboard uses the ATX form factor. Your existing PC's case uses the BTX form factor. What options do you have in this situation? (select two)

1) Purchase an ATX form factor case 2) Return the motherboard and replace it with a BTX form factor motherboard

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)

1) The driver has been tested by Microsoft 2) The driver file has not been altered

Which of the following are true regarding a dual-channel memory bandwidth configuration? (select two)

1) The memory controller must support dual-channels. 2) Bandwidth is increased by 5-15%

Which of the following statements are true regarding power supply wattage? (select two)

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

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)

1) Verify that the disk has been inserted and properly formatted 2) Make sure the write-protection tab on the disk isn't set

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)

1) Verify that the volume isn't muted 2) Verify that the speakers are plugged into the correct jack and are powered on

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?

3

What is the maximum transmission speed for Bluetooth devices?

3 Mbps

What is the approx bus speed of DDR2 memory rated at PC2-5300?

333 MHz

You have a CD-RW drive that advertises speeds of 32x/12x/48x. What is the read speed of the drive?

48x

Which of the following types of SCSI termination uses voltage regulators in conjunction with resistors to terminate the SCSI bus?

Active Termination

Which Blu-ray standard defines rewritable disks?

BD-RE

Which of the following devices would you add to a computer if you needed to take inventory at a retail store by scanning the UPC symbols on products?

Bar card reader

You have purchased a SXGA LCD monitor and connected it to the DVI-I port on your computer using a DVI-D cable. You configure the screen resolution at 1600 x 1200 with 24-bit color. The sceen display seems to be fuzzy at some spots. What should you do to correct the problem?

Change the screen resolution to the native resolution of the monitor

Which of the following would indicate when a system case cover is removed?

Chassis intrusion detection

You would like to install Windows on a computer that previously had another OS installed on it, but you aren't sure if the audio card is compatible. The installed audio card is a SoundMax D1371 (PCI). What should you do?

Check the manufacturer website for compatibility information

You recently purchased a new sound card and installed it in a free PCI slot in your computer. You plug in your old speakers, but don't get any sound. You checked all cable connections and they are secure. You have also ensured that the speaker volume is appropriately adjusted and isn't muted. What should you do next?

Check the vendor's web site for an updated driver

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?

Connect a 6 or 8-pin power connector to the video card

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?

Connect the audio port on the DVD drive to the audio input on the sound card or motherboard

What should you do (if possible) before flashing the BIOS?

Connect the computer to a UPS

Which of the following functions are performed by the TPM?

Create a hash of system components

Which memory rating identifies the fastest memory?

DDR3-2000

Which of the following is inserted in an AMR slot to provide sound functions?

Daughterboard

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?

Edit the CMOS settings to configure the USB ports to use USB 2.0

What is the function of the chipset on the motherboard?

Facilitate communication between the processor, memory components, and peripheral devices

You have an existing computer that you've been using for years. You decide to upgrade the processor. You check the motherboard documentation and purchase the fastest processor that is supported by the motherboard. When you start the computer, it beeps regularly but nothing is shown on the screen and it doesn't start. What should you do first?

Flash the BIOS

Which of the following terms describes a PC card that you can insert and remove without rebooting the computer?

Hot-swappable

Which feature on Intel chips allows a single processor to run two threads in parallel, instead of processing single threads linearly?

Hyper-threading

Which of the following standards provides for data transfer rates up to 800 Mbps with a max cable length of 100 meters?

IEEE 1394b

How would you view a list of all IRQs and the device using each IRQ?

In Device Manager, click View>Resources by type

The display is using strange colors. Which of the following is a solution to this problem?

Increase the color depth

Your CRT monitor flickers. What should you do?

Increase the refresh rate

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?

Install a 64-bit version of the operating system

A manager wants you to install a Serial ATA HDD into his computer, but the motherboard does not have a Serial ATA connector. What should you do?

Install a Serial ATA host adapter in an expansion slot

You need to connect a new USB scanner to the USB port on your computer. What should you do?

Install the scanner drivers, then connect the scanner to the USB port

You have three computers in your office. You would like to reduce the time it takes to move from one computer to the next, and you would like to use only one keyboard, monitor and mouse for all three computers. Which device allows this type of setup?

KVM

Which of the following is true of LED monitors?

LED monitors use LED backlight technology.

Which of the following could be detrimental while flashing the BIOS?

Loss of power

Which of the following is an advantage to purchasing a computer with video and audio integrated onto the motherboard?

Lower overall system cost

You have just finished upgrading the power supply in your desktop computer. Now the hard disk will not work. What should you do first?

Make sure the power connectors on the hard disk are plugged in all of the way

You want to add a second processor to your dual-processor system. Which of the following should you do?

Match the speed of the new processor with the speed of the existing processor

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?

Memory

What kind of power connector does a floppy drive use?

Mini-molex power connector

Which kind of power connector is used on PATA (IDE) internal HDDs and optical drives?

Molex

Your monitor displays a large black border around the main screen image. Where should you go to fix this problem?

Monitor hardware controls

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?

Move the modules to the correct motherboard slots

Which of the following refers to placing two processors on a single processor chip or die?

Multi-core

Which of the following CRT monitors is capable of producing a picture with the least amount of flicker?

Non-interlaced

Which of the following will most likely contain SODIMM memory?

Notebook computers

You would like to upgrade the processor in your system to a 64-bit processor. Which of the components will you most likely need to upgrade as well to take full advantage of the new processor?

Operating System

Lately your computer is spontaneously shutting down after only a few minutes of use. What is the most likely cause?

Overheated CPU

Which of the following expansion buses is most commonly used for devices such as sound cards, modems, and network cards?

PCI

Which expansion bus is best for high-speed, high-resolution, three-dimensional graphics?

PCIe

Which of the following interfaces can be used to connect a keyboard and mouse?

PS/2

Which of the following use Centronics-type connectors?

Parallel

A D-shaped 25-pin female port on the back of a computer is a:

Parallel port

Which of the following is an error detection technique that can detect errors with only ONE bit?

Parity

Which of the following drive configurations uses striping without fault tolerance?

RAID 0

What is the advantage of RAID 5 over RAID 1?

RAID 5 improves performance over RAID 1

Which RAM standard requires heat spreaders?

RAMBUS

You have a system that has been overheating. Which of the following actions WILL NOT help to keep the system cool?

Removing the computer case

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?

Replace the existing processor

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?

Replace the terminating resistor in the slot that was occupied by the second CPU

What method does an MMC card use for storing data?

Reprogrammable memory

Which interface is primarily used for internal HDDs in modern desktop PC systems?

SATA

What is the role of the CMOS in a modern computer?

Saves information about system devices

What is the purpose of the small cable that connects an IDE optical drive to the sound card?

Sends CD audio from the optical drive to the sound card

Which of the following is an advantage of serial ports over parallel ports?

Serial ports can send data over longer distances

You just purchased an external SCSI hard drive for your desktop workstation. What should you do before you connect it to the system?

Set the drive's SCSI ID

Two IDE devices share the same channel. One device is newer and faster. Which device should you set to master?

Set the newer, faster device to master

Which optical media has the greatest storage capacity?

Single-layer, single-sided Blu-ray disc.

You are looking at a female TRS connector on the computer. What devices use this connector?

Speakers

You have installed a new device in your system, and have run the Add A Device Control Panel applet. Under what circumstance would it be appropriate to continue with the wizard if the device was not discovered?

The device does not support Plug-and-Play

Which of the following processor features is used to dynamically reduce power consumption based on current operating conditions?

Throttling

Which of the following standards provides for data transfer rates up to 480 Mbps with a max cable length of 5 meters?

USB 2.0

Which of the following functions are not associated with a CNR?

Video

When do you need to upgrade the system BIOS?

Whenever a BIOS update provides functionality not currently supported that is required by the OS or hardware