A+ Review

You are helping a customer pick different components for a computer. The customer wants to include an optical media drive that will provide the most storage space.

Which of the following optical media types provides the most storage space?

You are shopping for a replacement monitor for a computer. The current monitor is a CRT monitor, and it's connected by a VGA port. The computer also has a DVI-I port. You want to replace the CRT monitor with one using a digital interface.

Which of the following solutions is the best choice?

You are replacing one of the hard disk drives on an older computer that uses a PATA interface. You are connecting the drive to IDE1 with another drive. You want to ensure that the new drive is recognized as the master drive.

Which of the following choices can you perform to ensure that the new drive is recognized as the master?

You recently installed a second hard drive inside a computer. After restarting the system, the operating system does not display the second drive.

Which of the following actions can verify that your computer recognizes the hard drive?

You are troubleshooting a desktop computer and verify that a 2-GB DIMM within a dual-channel RAM bank has failed. You have a spare 2-GB DIMM but it's a different speed. You want to get the computer operating with the maximum amount of RAM, so you want to use this DIMM.

If you use the DIMM, what is the most likely result?

You are assisting a customer in choosing a computer. She wants to ensure that the system supports at least 8 GB of RAM.

Which of the following choices is a critical hardware requirement?

You need to purchase a replacement CPU for a motherboard. You identify the socket on the motherboard as an LGA 1366 socket.

Which brand of CPU should you purchase?

You are installing an additional SATA drive inside a computer. You want to ensure that you use the correct connectors.

Which of the following data connectors would you use to connect an internal SATA drive?

You need to install a NIC into an expansion slot in a small form factor case. The card will not fit if you plug it directly into the available expansion slot.

Which of the following options can be used to install this card?

You are working on a computer that has a single Intel CPU. When you open Task Manager, it looks similar to what is shown in the exhibit.

What could be causing eight graphs to show in the CPU Usage History display even though the computer has only a single CPU? (Each correct answer presents a complete solution. Choose two.)

A motherboard includes a built-in network card that has stopped working. You've checked the BIOS and have verified that it is enabled. The user wants network access returned but with minimal costs.

Which of the following choices would return network functionality to this computer?

Your computer system has a built-in 7.1 sound system. You want to connect a microphone to the system.

To which of the following ports would you connect a microphone?

Note (TRS - Tip Ring Sleeve)

You are replacing dual-channel RAM on a desktop computer with two matched pairs of new DIMMS. When you open the case, you see an Intel motherboard with two black slots and two blue slots.

How should you install the RAM?

You are working on a PC and come across some Molex connectors that aren't being used. You want to know whether you should use these or leave them unconnected.

Which of the following devices use Molex connectors?

You are shopping for a replacement motherboard for a computer. You want to ensure that it includes specific features such as support for USB 3.0.

Which of the following provides these features?

A small-business owner owns a laptop that she takes with her on business trips. She has asked you for advice on how she can have Internet access from this computer during business trips.

Which of the following choices could she use to connect her computer to the Internet? (Each correct answer presents a complete solution. Choose three.)

You are attempting to use a virtualization application on a computer running Windows 7. The operating system is giving errors indicating that virtualization is not supported.

Which of the following choices is a requirement for virtualization support that can be checked? (Each correct answer presents a complete solution. Choose three.)

You realize that you need to upgrade the firmware on a laptop computer, and you have downloaded the correct application to flash the BIOS. You want to ensure that the process doesn't permanently damage the laptop computer.

Which of the following should be performed? (Each correct answer presents a complete solution. Choose two.)

A hobbyist is looking for a computer that he plans to use for high-end gaming. He knows he needs a powerful processor and plans to overclock it.

Which of the following suggestions would you recommend that he also include in his system? (Each correct answer presents a complete solution. Choose three.)

You are replacing a CPU in a motherboard. You want to provide as much protection against overheating as possible.

Which of the following should be used between the CPU and the heat sink?

You are helping a homeowner create a home theater PC. The homeowner wants to be able to record live television shows with this PC.

Which of the following cards is needed to enable the PC to record television shows?

You are shopping for an external hard drive, and you want to find one that supports the fastest transfer speeds. You have identified a drive that advertises transfer speeds up to 5 Gbps, and you want to ensure that your computer has a compatible interface.

Which of the following standards supports speeds of 5 Gbps or more? (Each correct answer presents a complete solution. Choose two.)

A user recently returned from a trip overseas. He took his computer with him and used it on work projects throughout his trip, but he is complaining that the system will no longer turn on.

You've verified that it is plugged in.

Which of the following is the most likely problem?

You have replaced a power supply in a PC. The power supply has several L-shaped power connectors.

Which of the following are the purposes of these connectors? (Each correct answer presents a complete solution. Choose two.)

You are responsible for maintaining PCs used in a classroom. Students have modified settings in the BIOS in the past, preventing you from easily accessing the BIOS. You want to ensure that students do not modify any BIOS settings.

Of the following choices, which is the best solution?

You are a technician and maintain computers at a training company. A student has set an administrator password in the BIOS, and you can no longer access the BIOS.

Which of the following can you perform to access the BIOS? (Each correct answer presents a complete solution. Choose two.)

You recently purchased a new computer. After working with it for a few days, you realize it is displaying the incorrect time.

How can you properly set the time?

You are building your own home theater PC. You want to ensure that it includes the right components for a typical home theater.

Which of the following choices would you ensure are included in your system? (Each correct answer presents a complete solution. Choose three.)

A user is an avid photographer and frequently manipulates her photos on her computer. She is purchasing a new computer and wants to ensure that she can remove the storage card from her camera and plug it right into the computer.

Which of the following types of connections should the computer contain? (Each correct answer presents a complete solution. Choose two.)

You are troubleshooting a system and realize it has been overheating because a case fan is not working. You open the computer case and see that the case fan has a cable with a small 3-pin connector, but it is not connected.

Where should you connect this fan?

A technician has replaced RAM in a desktop computer by using a 1-GB DIMM and a 2-GB DIMM. He installed the DIMMs in the same bank of a dual-channel motherboard but then wonders whether it will damage the computer. Before turning the computer on, he asks you what will happen with this configuration.

What is the most likely result?

You are assisting a customer with the purchase of a USB 3.0 device. She is not sure whether her computer supports USB 3.0 and wonders whether she can still use the device even if her computer only supports USB 2.0.

Which of the following statements is a correct response for the customer?

You recently purchased an external hard drive with a FireWire interface. When you try to connect it to your desktop computer, you realize your computer does not have a FireWire interface.

Which of the following choices could you use to connect this hard drive to your computer?

A new motherboard arrived, and you are asked to install it in a desktop computer. Unfortunately, the original motherboard has been removed, and there is no documentation indicating where the wires go.

Which of the following wires are most likely to go to the front panel connector? (Each correct answer presents part of a complete solution. Choose three.)

You recently purchased a new external hard drive that supports USB 3.0. You want to connect the device to the PC's USB 3.0 connector.

How can you identify the USB 3.0 connector on the PC?

You recently replaced a failed hard drive on a computer and are trying to install a new operating system from the DVD. The system will not boot to the DVD but instead gives an "Invalid Boot Disk" error.

Which of the following is the mostly likely solution?

You frequently work on projects that require you to have multiple windows open at a time on your LCD monitor. You find that you're frequently repositioning or resizing the windows as you're working. You'd like to be able to keep all the windows open and viewable.

Which of the following choices is the best solution?

A user currently has a basic speaker in his computer. He wants to improve the sound capabilities of his system and asks you for advice on what type of expansion card he should buy to improve the sound.

Which of the following cards would you recommend? (Each correct answer presents a complete solution. Choose two.)

A user is shopping for a computer and notices one system is described as having a dual-core processor and L1 cache. He asks about the L1 cache.

Which of the following statements accurately describes the L1 cache? (Each correct answer presents a complete solution. Choose two.)

A user plans to purchase a new computer. He wants to get as much power out of his system as possible by overclocking the CPU.

Which of the following choices can be used to keep the CPU cool?

You are shopping for a new desktop computer. At some point in the future, you plan to add an expansion card to capture and record TV signals. You want to ensure that you can add to your computer's capabilities easily after you purchase it.

Which type of expansion slots should you ensure that the computer contains? (Each correct answer presents a complete solution. Choose two.)

A user recently changed the resolution on his LCD monitor. He is complaining that the display is distorted and wants a clear display.

Which of the following actions should you recommend?

You are shopping for an external BD-RE drive. You want to ensure that your computer has an interface for the drive.

Which of the following connections can be used for an external BD-RE drive? (Each correct answer presents a complete solution. Choose three.)

You have recently added a sound card to your desktop computer. When you try to access it, you receive errors indicating a conflict with an existing sound card. However, your system does not have another sound card in any expansion slot.

Of the following choices, what is the most likely solution?

A user has recently purchased a new desktop computer but realizes he needs more RAM. He wants to buy some additional RAM to install in his new computer.

Which of the following RAM types would he most likely buy? (Each correct answer presents a complete solution. Choose two.)

You are helping a user connect a printer with a USB 2.0 connection. The user wants to connect the printer with a USB extension cable so that the printer can be on the far side of the room.

What is the maximum distance of the cable between the PC and the printer? (Each correct answer presents a complete solution. Choose two.)

A customer is interested in purchasing a computer and is asking questions. The customer asks what type of memory is used for CPU cache.

Which of the following memory types would you recommend to the customer?

You have four hard disk drives available. You want to use all of these disks to provide fault tolerance for a system.

Which of the following RAID types can be used to meet your goals? (Each correct answer presents a complete solution. Choose two.)

You are working on a computer that a user said powered itself down. When you start it, you see a display message generated by the BIOS, indicating that the computer was previously shut down due to a thermal event.

Which of the following choices are realistic items to check? (Each correct answer presents a complete solution. Choose three.)

You are troubleshooting a computer that is intermittently restarting itself. You suspect that the voltages provided to the CPU are causing problems.

Which of the following voltages should you see on the CPU power connector?