3.11.5 Expansion Cards Practice Questions, BIOS/UEFI 3.10.9 Practice Questions, 3.9.6 Practice Questions Troubleshooting Memory, 3.8.8 Practice Questions Memory Installation, 3.8.8 Practice Questions Memory Installation

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For a special project, you have been asked to recommend the lowest profile desktop computers available. You are attempting to put together the specifications 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?

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Riser

Explanation

Riser cards attach to the motherboard and have expansion cards plug into them instead of the motherboard. The primary benefit of a riser card is that by installing expansion cards parallel to the motherboard, it is possible to create a low-profile design. Communications and Networking Riser (CNR) is a type of expansion slot found on some motherboards that is used for network and sound expansion boards. Personal Computer Memory Card International Association (PCMIA) cards were used several years ago to add devices to laptops. VESA Local Bus was also a type of expansion slot found on older motherboards that was primarily used for the video interface.

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PCI Express

Explanation
The PCI Express expansion buses are most commonly used for video cards in modern computer systems. PCI buses are most commonly used for devices such as sound cards, modems, network cards, and storage device controllers. While you can use PCI for video, better performance is obtained from PCI Express.

CNR is a legacy on motherboard slot to support networking, wireless communication, sound, or modem functions. AMR slots also legacy buses provided on some motherboards for riser cards to support sound or modem.

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

PCI

Explanation
PCI buses are most commonly used for devices such as sound cards, modems, and network cards. The AGP and VESA expansion buses are most commonly used for video. ISA buses were used to connect peripheral cards to the motherboards, but are considered a legacy device and are no longer available in newer systems.

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

PCIe

Explanation
A PCI Express (PCIe) expansion bus is best for high-speed, high-resolution, three-dimensional graphics. The PCIe standard supports a data rate that is dramatically faster than AGP. VESA is an older graphics interface that was replaced by AGP many years ago. PCI and ISA are typically used for non-video expansion cards. While PCI can be used for video, PCIe offers better performance.

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?

The driver has been tested by Microsoft.

The driver file has not been altered.

Explanation

A Microsoft digital signature is your assurance that a particular file has met a certain level of testing, and that the file has not been altered or overwritten by another program's installation process. Unfortunately, this testing cannot completely eliminate the possibility of drivers interfering with each other, nor can it ensure that the most recent driver has been installed. Later drivers can be installed, and both the earlier and more recent drivers may carry digital signatures from Microsoft. Typically, separate drivers are provided for 32- and 64- bit versions of Windows.

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 it has been installed?

Device Manager

Explanation
After a device has been installed, use Device Manager to modify non-Plug and -Play parameters such as IRQ, memory address, and DMA channel.

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

Hot-swappable

Explanation
Inserting and removing PC cards without rebooting the computer is called hot-swapping. This feature is also called dynamic reconfiguration. Plug-and- Play devices are automatically detected by the system and the driver is automatically loaded. Unless the bus and device is hot-swappable, Plug-and-Play devices should be added or removed with the system shut down. AT Attachment (ATA) is the standard interface for transferring data from storage devices such as hard disk drives and optical drives.

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

PCI

Explanation
PCI buses are most commonly used for devices such as sound cards, modems, and network cards. The AGP and VESA expansion buses are most commonly used for video. ISA buses were used to connect peripheral cards to the motherboard, but are considered a legacy device and are no longer available in newer systems.

A user reports that they are unable to access their Firewire drive after moving the PC from beneath the desk to the top of the desk. What is the most likely cause of this problem?

Card is not properly seated.

Explanation

In moving the computer, it is likely that the card became jostled and is no longer properly seated in the expansion slots. None of the other options would have been affected in just moving the computer. FireWire does not use IRQs for configuration. Simply moving the computer such a short distance would not require adding an external power supply if it wasn't needed before. Moving the computer does not change drivers used for devices.

What brand of processor is installed?

Intel

How much memory is installed in the computer?

4096 MB

What is the BIOS version number?

1610

How many hard drives are installed?

What is the status of the integrated NIC?

Enabled

Which drive is configured as first in the boot sequence?

Diskette Drive

3.11.5 Expansion Cards Practice Questions, BIOS/UEFI 3.10.9 Practice Questions, 3.9.6 Practice Questions Troubleshooting Memory, 3.8.8 Practice Questions Memory Installation, 3.8.8 Practice Questions Memory Installation

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