310 week7

On a Linux system, what is the name of the directory where you will find a text file called devices that contains information about the devices that are configured on the system?

/proc

You have been asked to implement a RAID 5 solution for an engineer's desktop workstation. What is the minimum number of hard disks that can be used to configure RAID 5?

3

One of the video editors in your company is worried that he may lose a lot of data if his hard drive fails. He has asked you to come up with a solution. To do this, you have decided to implement a RAID 10 solution on his desktop workstation. Which of the following is the MINIMUM number of hard disks that can be used?

4

You are building a new computer and have purchased a motherboard that includes four built-in SATA connectors. Which of the following MOST accurately lists the maximum number of SATA devices you can connect to the motherboard using the integrated ports?

4

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

48x

During the POST, you receive the following message: Keyboard not present. Press F1 to continue. What are the most likely causes of this error message? (Select TWO.)

A poor keyboard connection A stuck key on the keyboard

Match each storage device type on the left with its description and benefits on the right.

A thick magnetic disk made of aluminum platters. Uses read/write heads to access data stored on the platters. HDD A flash device and storage capacity similar to a small hard drive. SSD Uses lasers to read and write information stored in the form of pits in their reflective coating. optical disk Provides up to several terabytes in storage capacity, and cost per megabyte is very low. HDD Faster than other devices. No moving parts. Lasts longer than other storage devices. SSD Ideal for music and video. Portable and cheap with a long shelf life. Optical disk

Match the system resources on the left with the descriptions or examples on the right. The system resources may be used once, more than once, or not at all

Allows two devices in a computer to send information to each other. I/O address The method used by different system devices to interact with the CPU. IRQ (Interrupt Request) Conduits used by high-speed devices to bypass the CPU and communicate directly with RAM. DMA (Direct Memory Access) Allows a device to request processing time from the CPU. IRQ (Interrupt Request) Each device in a computer must have its own. I/O address

You are in the process of purchasing several new Windows-based computers to replace broken or outdated computers. You have heard that solid state drives (SSDs) can significantly increase the overall performance of the system. Which of the following BEST describes the features of solid state drives (SSDs) compared to hard disk drives (HDDs)? (Select TWO).

An SSD opens files faster than an HDD. An SSD uses flash technology to store data.

Which of the following are optical storage devices? (Select THREE.)

BD DVD CD

Which Blu-ray standard defines rewritable disks?

BD-RE

You have decided to install a new Ethernet network adapter in your Windows 10 desktop computer. After installing the card and booting to Windows, you notice that you have no network connection. After looking in Device Manager, you see that the new network card was detected, but Windows doesn't know what it is. After doing a quick search on the internet, you find what looks like the correct driver and install it. A reboot of Windows is performed, but almost immediately after logging on, your computer crashes. Thinking this must be a fluke, you reboot again with the same result. Which of the following is the BEST tool to get Windows to load properly?

Boot to Safe Mode and uninstall the network driver.

You are running Windows 10 on your computer. You want to decrease the time it takes to write data to your drives. To do this, you have decided to create a Windows software RAID system using a striped volume. Before you create the striped volume, which action MUST you take?

Convert basic disks to dynamic disks.

You have a computer with three hard disks. A RAID 0 volume uses space on Disk 1 and Disk 2. A RAID 1 volume uses space on Disk 2 and Disk 3. Disk 2 fails. Which of the following is true?

Data on the RAID 1 volume is accessible; data on the RAID 0 volume is not.

Alice recently purchased a new cell phone. After her vacation, Alice wanted to transfer her holiday photos to her computer to do some touchup work before sending the pictures to her children. When Alice attached her phone to her computer, she saw that Windows detected her phone and tried to load the applicable software to give her access to her phone. Unfortunately, after trying for several minutes, Windows displayed a message indicating that it was unsuccessful. When Alice explored her available drives, her phone was not listed. Which of the following would be the BEST administrative tool to help Alice gain access to her phone?

Device Manager

Alice recently purchased a new cell phone. After her vacation, Alice wanted to transfer her holiday photos to her computer, where she could do some touchup work before sending the pictures to her children. When Alice attached her phone to her computer, she saw that Windows detected her phone and tried to load the applicable software to give her access to her phone. Unfortunately, after trying for several minutes, Windows displayed a message indicating that it was unsuccessful. When Alice explored her available drives, her phone was not listed. Which of the following would be the BEST administrative tool to help Alice gain access to her phone?

Device Manager

As a member of the help desk administration team, you've been assigned to update the driver for the network adapter that is installed on most of the machines in your department. You have a copy of the latest driver on a USB flash drive. Which Windows utility will allow you to manually update this new driver?

Device Manager

Which system utility would you use to troubleshoot hardware devices, examine and control the resources used by specific devices, and install updated device drivers?

Device Manager

You have just connected a new USB device to your Windows system. You used the installation disc that came with the device to install the drivers needed to support the device. Since the installation, the system frequently crashes when you try to access the new device. Which of the following steps would MOST likely resolve this issue?

Download and install the latest driver from the manufacturer's website.

You have just installed a new device in your Windows system. After installation, you can't use the device. You check Device Manager and find an icon for the device with a yellow exclamation mark over it. What should you do?

Download the latest driver from the manufacturer's website.

You recently installed a fiber-optic network board in an expansion slot in your system's motherboard. You no longer need to use the integrated UTP network board that is integrated in the motherboard. Click the option you would use in the properties of the integrated network adapter in Device Manager to disable it.

Driver tab

A user complains that his USB scanner no longer works. You check Device Manager and see an icon with a black down arrow on it. What should you do?

Enable the device in Device Manager.

Match each label on the left with the correct characteristics on the right.

First developed to store digital music. Later, was adapted to store digital computer data. Compact Disc (CD) Can be written, read many times, erased, rewritten, and has a capacity of about 650 MB. Compact Disc (CD-RW) Single-sided discs can hold about 4.7 GB of data. Dual-layer discs can hold up to 8.5 GB of data. Digital Versatile Disc (DVD) Dual-layer version employs two recordable dye layers, each capable of storing data. Digital Versatile Disc (DVD-RW) Uses blue laser light. which has a short wavelength, allowing data to be packed more tightly onto the disc and is rewritable Blu-ray Disc (BD-RE) Was originally developed for high-definition video (and expanded content on movie discs), but can also be used for data storage. Blu-ray Disc (BD)

Which of the following is a magnetic storage devices?

Hard disk

Which storage device uses aluminum platters for storing data?

Hard disk

You need a storage device that has very large storage capacity, is fast, and is relatively inexpensive. Which storage device will best suit your needs?

Hard disk

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

Hot swappable

Most devices that you install in a system require little to no configuration; they simply work after you plug them in. This is because devices are automatically assigned the system resources needed for the device to begin functioning. Which of the following are the three types of system resources that are USUALLY automatically assigned?

I/O address, IRQ, DMA channel

While troubleshooting a computer, you need to view a list of all IRQs and the device using each IRQ. Which of the following options would BEST allow you to accomplish this task?

In Device Manager, click View > Resources by type

Which of the following is not an advantage of SSDs over HDDs?

Inexpensive

You have an existing computer running Windows 10. You want to configure a RAID 1 array in the computer. You install two new SATA drives, then use the RAID controller integrated in the motherboard to define a RAID 1 array using them. When you boot the computer, Windows does not show the logical RAID drive. What should you do?

Install the drivers for the RAID controller.

You are configuring a new system, and you want to use a RAID 0 array for the operating system using SATA disks and the RAID functionality built into the motherboard. Which of the following BEST describes the action you will take as part of the configuration?

Load the RAID drivers during operating system installation.

Which of the following are advantages of solid state storage compared to hard drives? (Select TWO.)

Lower power requirements No moving parts

You are trying to connect a new USB device to your computer. You install the driver and then connect the device to an open USB port. The device does not work. Which of the following troubleshooting steps is the BEST to try first?

Make sure the USB device is plugged in properly.

A sales person requires that a large number of document, data, presentation, image, and video files be accessible on their personal mobile device when making sales pitches to new customers. A cloud solution is not feasible, since cellular and internet connections are not always guaranteed at a customer site. Which of the following accessories would a technician suggest to BEST meet the sales person's requirements?

Micro SD Card

What method does an SD card use for storing data?

Non-volatile memory chips

Device manufacturers are constantly finding bugs, vulnerabilities, or better ways for their devices to communicate with the operating system. Because of this, which of the following is the BEST practice to do before installing a new device?

Obtain the latest driver from the manufacturer's website.

Which of the following tasks would you complete as part of a SATA installation?

Plug the 15-pin power connector into the SATA drive.

Due to a blackout, power is no longer coming from the wall outlet, and your computer is now off. You do not have a UPS, and you need to remove a disc out of the DVD drive. What is the easiest method for retrieving the disc?

Push an unbent paper clip into the hole on the front of the drive.

You are building a new computer that will contain two hard disks. To provide increased performance, you have decided to configure the drives using RAID technology. Which of the following will BEST meet your needs?

RAID 0

You have been asked to configure the drives in a computer. The end user wants to use striping without incorporating any fault tolerance. Which of the following will BEST meet these requirements?

RAID 0

Ben is concerned about losing data due to a hard disk failure. His computer will only support a maximum of three disks. To protect his data, you have decided to use RAID (redundant array of independent disks). Which of the following RAID types would give Ben the BEST mirrored data protection?

RAID 1

One of your customers wants you to build a personal server that he can use in his home. One of his concerns is making sure he has at least one backup of their data stored on the server in the event that a disk fails. You have decided to back up his data using RAID. Since this server is for personal use only, the customer wants to keep costs down. Therefore, he would like to keep the number of drives to a minimum. Which of the following RAID systems would BEST meet the customer's specifications?

RAID 1

A computer being used by the HR department needs to ensure that all of the data on that computer is protected from a single hard disk failure. The data needs to be read as quickly as possible, and the HR department would like to maximize drive use as much as possible. This computer can use up to three hard drives. Which of the following RAID types would meet these requirements and provide the BEST data protection?

RAID 5

Which of the following drive configurations uses striping with parity for fault tolerance?

RAID 5

What is an advantage of RAID 5 over RAID 1?

RAID 5 improves performance over RAID 1.

You have just installed several devices to a computer at once, but now the computer fails to boot properly. Which of the following troubleshooting steps is the BEST to try first?

Remove all of the newly added devices and install them one at a time.

Anna has been backing up her data on a hot swappable drive mounted in an external hard drive docking station. This docking station holds two drives. Anna would like to exchange one of the drives with a drive of higher storage capacity. Which of the following is the BEST method for replacing the drive?

Remove and replace the drive after using the Safely Remove Hardware feature to shut down the device.

You have just installed a new hardware device, upgraded the driver, and installed the custom software that came with the device. Now you can't get the device to work. Which of the following troubleshooting steps is the BEST to try first?

Run any diagnostic software that came with the device.

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

SATA

Which of the following is the most common disk interface used for optical drives on home and office computers?

SATA

Which generation of SATA storage devices does the following? Supports up to 6 Gbps data transfer rates Addresses solid state drives

SATA3

Which optical media has the greatest storage capacity?

Single-layer, single-sided Blu-ray disc

You have installed a device in your system and the system does not recognize the device. Which of the following BEST describes why the device was not discovered?

The device does not support plug and play.

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.)

The driver file has not been altered. The driver has been tested by Microsoft.

Your company has decided to use only SATA drives in their systems. Which of the following is true of MOST newer SATA drives?

They can be added to or removed from a system without shutting down the computer.

For which type of device will you typically install the driver before you connect the device to your system?

USB devices

A user installs a new graphics application on her Windows system. During the installation process, the application prompts the user to load a custom video driver that has been optimized for the application. She does so and then completes the installation. Several days later, the user reports that her display doesn't seem to be working properly under some conditions. To fix the problem, you need to reload the old video driver. Which of the following actions are the BEST choices? (Select TWO).

Use Device Manager to roll back the video driver. Revert the system to a restore point prior to installing the video driver.

You work for a small company as the human resources specialist. Since the company is fairly small, you are maintaining all of the employee information on your desktop computer, which is running Windows 10. This computer has two high-capacity hard disks. You want to ensure that this information is protected from a hard disk failure, so you want to set up a Windows software RAID system. Which of the following would be your BEST solution?

Use mirrored volumes.

In which of the following situations would driver rollback be the BEST tool to use?

You recently installed a new video driver, and now the system behaves erratically.

Joseph has started using virtual machines (VMs) to help his software development process. As the number of VMs has increased, Joseph has noticed that his hard drive is almost full. He would like you to buy and connect an external hard drive where additional VMs can be stored. When the drive arrives, you find it has the type of connector shown in image 1. Which type of connector is on the external hard drive?

eSATA

You want a storage device that has the ability to: Integrate data and device power into a single cable. Use a connector and port that is neither L-shaped nor rectangular. Which of the following SATA devices is the BEST to use?

eSATAp