Test 5-6

Jessica wants to purchase a new hard drive. She wants a drive that has fast access because she will use it to edit videos on her PC. She also needs a lot of storage and wants to have at least 4 TB available to save her videos. Jessica wants to keep the cost down as much as possible.What type of hard drive should Jessica purchase?

7200 RPM magnetic HDD

Jordan, a junior technician, ordered hardware for facial recognition capabilities on every computer at work. Before the hardware was delivered, he was removed from the project to help upgrade the operating system on every computer. After a few months, he was finally able to get back to the facial recognition project. He installs the webcam, the adapter card, and the drivers that were included in the optical media. Issues are evident so he checks the Device Manager and does not see any issues. When Jordan asks a senior technician for help, the senior technician asks him one question.What did the senior technician ask Jordan?

Did you update the drivers?

Sherri has recently been injured. She is having a problem using her left hand and would like to use a stylus to move her mouse around the screen on her laptop computer.What type of I/O device can Sherri add to her system to allow a non-touch screen laptop to use a stylus to manipulate the screen?

Digitizer

Four years ago Faleka bought a custom computer with a mid-tier motherboard and a basic configuration option. During the last three months he has noticed the video quality seems to be gradually degrading. To troubleshoot, he uses a known-good replacement monitor and video cable, but the problem persists.What would be a reasonable course of action for Faleka to take?

Disable the onboard video port and install a new graphics card.

Terry is having a problem with his computer screen that connects to the onboard HDMI port. His computer does not have a video card, but he notices it supports the DisplayPort standard. He buys a monitor, connects it using the DisplayPort, but it does not work.What is the most likely cause of the problem? Select two.

He needs to enable the DisplayPort connector via the BIOS/UEFI. Terry forgot to power on the monitor, so it is not receiving power.

Your computer has three drives in a RAID 5 configuration. One of the drives fails so you replace it right away. Immediately upon replacing the drive you notice that the overall performance seems to have been degraded. You research the issue and conclude that this is the expected behavior. How can you rationalize this behavior?

It takes time to rebuild the data on the new drive. During this time performance is degraded.

This morning when Paul turned on his computer at work, it would not boot. Instead, Paul reported that he heard a loud clicking noise coming from inside his computer.What might be the problem with Paul's computer?

Magnetic hard drive failed.

During routine maintenance on your server, you discover that one of the hard drives on your RAID array is starting to go bad. After you replace the drive and rebuild the data, you run diagnostics on the RAID controller card with no problems, so you believe you fixed the problem. The next morning you arrive at work and discover that the RAID has completely failed. None of the disks are working. Your server is still running because you installed the OS on a non-RAID disk, but all the data is missing, and the server shows that none of your RAID disks are found. What might be the problem with your server? (Select all that apply.)

Motherboard RAID controller

While working on your computer, you receive the POST error, "Drive Not Recognized." You check your SATA cable to see if it is the problem, and it tests fine. You remove the hard drive and test it in a computer system known to be in good working condition and find that the hard drive is working. You can move data and check to make sure the OS files are not corrupt. You use a power supply tester to see if the voltage for the SATA power connection is correct, and the test shows the power is correct. You even check BIOS to make sure the hard drive can be recognized and find that all settings in BIOS are at default, so the system should recognize the hard drive.What might be the problem with your hard drive system?

Motherboard SATA port has gone bad.

Jose calls you at the help desk because he is having a problem logging on to his laptop computer. After several unsuccessful attempts to enter his password, he asks you to reset the password because he must have forgotten it. You reset his password, and he types it, but again the computer rejects it. Jose assures you that he typed the correct username and password. You ask him what type of computer he is using, and he tells you a laptop.What might be the problem with Jose's computer?

Num Lock key is on.

David has a laptop that is having a problem with the video system. Initially you thought the problem might be the backlight, but in your research discovered it does not have a backlight. After additional troubleshooting you determine the laptop needs a new screen.What type of screen should you get for the laptop?

OLED

Charanya decides it is time for an upgrade. She buys a new computer, a used 17-inch LCD monitor at a thrift shop, as well as a VGA splitter for screen duplication purposes and compatibility with the original VGA monitor. When she plugs in the monitors, the image on the LCD monitor is blurry. What are possible explanations for, and/or how could she rectify, this condition? Select two.

Upgrading the VGA cable to a DVI, HDMI, or DisplayPort standard will improve the image quality. The monitor is not set to the native or recommended resolution hampering the image quality.

Sharon believes the computer she is troubleshooting is having problems with the hard drive. She wants to test her theory and finds an older, known, good, SATA drive in the spare parts bin but notices the gold conductors in the SATA power connector are very distressed. Sharon also realizes that the spare drive also has a 4-pin power connector.What type of power connector will Sharon need to supply power to the hard drive?

4-pin Molex connector

Sarah needs to connect to a console port on an enterprise switch. Her laptop does not have the correct port. When she mentions this to her boss, he tells her that they have several older laptops in a closet with RS-232 ports.What type of connector does the laptop have?

A 9 pin two row D-shaped male connector

Cathy is planning to purchase a new audio and video editing workstation to make computer training videos at work. In addition, she wants the ability to back up her large video files relatively quickly but not over the network to help preserve bandwidth. She does not exactly know or understand the type of devices she needs.What types of components would you recommend? (Select all that apply.)

All except High-End 3D video card

Devon would like to install a new hard drive on his computer. Because he does not have a SATA port available on his motherboard, he has decided to purchase a NVME SSD hard drive.How can Devon attach a NVME device to his computer? (Select all that apply.)

All except Internal USB connection

Damion recently did an update to his computer and added a new video card. After the update, Damion decided that he would like to play his favorite game. While he was playing the game, the system locked up. He restarted the computer and did not have any issues until he tried to play the same game, at which point, the computer locked up again.What might be the problem with Damion's computer? (Select all that apply.)

All except Windows is not compatible with the game.

Explain the difference between RAID 0, RAID 1, and RAID 5. Select two.

All three flavors of RAID could be implemented using hardware or software RAID. RAID 0 stripes data across disks, RAID 1 mirrors data, and RAID 5 uses parity.

You buy a DVI cable to connect a monitor a friend gave you. You notice the connector on the cable has four extra pins, but the DVI port on the computer does not have them so you cannot use the cable. What are the four extra pins used for?

Analog video

Your friend has compiled a moderate collection of movies they have bought over the years. They all reside on a media server they assembled with remote access capabilities. They would like to have a physical copy of each movie on optical media for off-site storage. Most of the movies consume between 60 and 120 GB of storage. What type of optical storage media should they use to back up the movies? Select two.

BD-R TL BD-R QL

Your computer has recently started to generate a few S.M.A.R.T messages. What is the most favorable thing you could do?

Backup your data immediately

Nick is working on a new graphic for a client and is having an issue with the color on his screen. The client wants the graphic to include a very bright red color, but Nick seems unable to find the right color on his screen. He seems to have the color perfect on the screen, but when he tries to print the graphic, the color seems to fade. He has checked the printer, and it works fine.What will help Nick see on the screen the color that he is printing?

Calibrate the display color.

You install a new video adapter and update the drivers, but notice the icons have a distorted geometry.What could you do to fix the problem?

Change resolution

Delonte has been using his computer at work every day for two years with no problems. The nature of his work requires him to frequently create and delete test files of different types and sizes. However, he is starting to notice that his computer is slowing down.What Windows tool can be used to verify Windows is relocating data to help with performance?

Defrag and Optimization tool

You install a new peripheral, but it does not work. Then you remember about the drivers. Where can check to see if they were installed automatically?

Device Manager

Jovi buys a high-end sound card for professional grade recording and playback. When he installs the card there seems to be a conflict so he disables the onboard audio using the Device Manager but that does not solve the problem. What else can Jovi do to overcome the problem?

Disable the onboard audio using the BIOS/UEFI.

Genesis is learning about computers. She installs a digitizer along with the corresponding software, but the tablet is not recognized by the operating system. She calls you for help and you explain the difference, or similarities, between drivers and apps as it pertains to peripherals in general. What do you tell her?

Drivers control the hardware. Apps allows users to interface with the features of the peripheral.

Under certain conditions, you may hear a whine from the power supply when you first power up the system. However, if you hear a whine coming from the video card, how can you fix it?

Ensure the 6-pin or 8-pin power cord is connected to the card.

You recently installed a new RAID controller card in a PCIe expansion slot on your computer. After setting up the controller, you transfer data from the backup you created over to the computer. When you finish the setup, you turn the computer off and return it to its normal location. When you turn the computer on, you immediately receive the error message, "RAID not found."What might be the problem?

Expansion card failed or became unseated.

You and a friend decide to watch a movie on your computer. The movie is saved on a second hard drive on your system. When you are ready to watch the movie, you can't find it on your computer. You try to locate the second hard drive, and it is no longer listed in Windows.What might be the problem with the movie and the hard drive?

Hard drive has crashed.

Leroy buys three identical 2 TB SSDs to implement a fault tolerant RAID configuration. He configures RAID 1 using the three disks, and later discover that the total storage is only 2 TB. What alternative, if any, does Leroy have?

Implement RAID 5

Bola is upgrading some peripherals devices connected to his computer. He buys a new webcam, gaming keyboard, and a card reader.What approach should he take when installing the peripherals?

Install one peripheral at a time, reboot, and make sure it works before proceeding.

Ron is using an older computer with only one RAM module to experiment with the installation of various Windows operating systems. After the first installation he checks the Device Manager and notices a yellow triangle next to the entry labeled SM Bus Controller.What should Ron do to fix this problem?

Install the chipset drivers for the motherboard.

Johan is a hard drive performance engineer working at a major storage device manufacturer. He needs to measure, record, and analyze the throughput, IOPS, and the latency of the different models of drives the company produces. What is the difference between these three parameters? Select three.

Latency measures the time required to process a data request or a transaction. IOPS measures the number of read or write operations performed in one second. Throughput is the amount of data flow through a point in the data path in one second.

You buy a new hard disk drive and install the Linux operating system. You later decide you prefer the Windows operating system so you install it instead. Before you installed either one of the two operating systems, the hard drive had sector markings that allowed you to install the operating system of your choice. What facilitated this capability?

Low-level formatting

You are installing a webcam in the screen bezel of your laptop. Prior to disassembling the laptop, what other devices in the screen bezel should you be aware of? (Select all that apply.)

Microphone WI-FI antenna

The video on your laptop needs to be updated. You have researched online, and according to the manufacturer, you can install a new video card in your laptop.What is the most likely slot connection you will use to install a new video card in your laptop?

Mini PCIe

Today when Dylan turned on his computer, he noticed that the monitor was very dim. He could still see the desktop icon and text. He turned the brightness all the way up, but that did not correct the issue. Dylan also checked to make sure the Power Options brightness was not turned down, causing the screen to go dim. He connected a different monitor, and the screen was fine.What caused the screen to be very dim?

Monitor backlighting.

You are installing a new hard drive in a system in which the hard drive will run at 6.0 Gbps.What can you use to determine whether the SATA port number into which you are connecting the drive will also run at 6.0 Gbps?

Motherboard manual.

Lucas works at a small production company that receives contracts to perform high-end video editing and rendering. He needs to buy systems with the ability to write 30 Gb/sec to a storage medium. What standard should the systems support?

NVM Express

Which statements are true, relative to RAID 0, and/or why would you implement it? Select two.

RAID 0 requires at least two drives Improves overall disk performance

Andre lost important data and wants to ensure it doesn't happen again. However, he has a limited budget and doesn't want to spend too much money implementing an expensive fault-tolerant solution.What type of RAID configuration would you recommend?

RAID 1

Keion works as a freelancer creating websites and designing logos for clients. He recently had a hard drive failure and lost work for a client, and he would like to prevent the same type of problem from happening again. Keion does not want to rely on a backup but would like a way to ensure that his data is safe on his computer. You recommend that he create a RAID array that will provide fault tolerance and not suffer data loss if one drive fails.What RAID configuration should you recommend to Keion?

RAID 1

Ulysses has a laptop with a very dim monitor. He connects an external monitor, and it works just fine. How can Ulysses fix the problem?

Replace the inverter board.

Juridia buys new a 16 GB flash drive, she takes it out of the package, and tries to copy an 8 GB file to it. However, the operation fails with an error message indicating the file is too large. Which of the following statements are most likely to be true? Select two.

The flash drive needs to be reformatted with the NTFS or exFAT file system. The flash drive has the FAT32 file system, which supports files up to 4 GB in size.

After Sandy and a friend troubleshoot her laptop they determine the LCD screen needs to be replaced. Sandy gets tired of waiting on her friend, who knows more about computers, and decides to do it herself by watching videos online. In the process, she accidentally breaks one of the two cables that wrap around the screen and connect to the mini-PCIe card inside the laptop.What is the impact of this mishap?

The laptop will lose its Wi-Fi capabilities.

Cirrus was hired to start a multimedia group at a major corporation. He has been asked to buy high-end equipment to ensure it will not be obsolete in three or four years. He buys a video camera capable of recording 8 MB/sec. What type of SD memory card should he use in the camera?

V10

You are asked to install a new adapter card in 30 office computers at an existing branch location. Which of the following is NOT a necessary step in the process?

Verify the adapter card to be installed is ESD-resistant.

Dr. Everest, a professor at a university, is using custom software to visually demonstrate to his class the different techniques SSDs implement to help improve performance and reliability. Specifically, how the logical block addressing on a solid-state drive does not always address the same physical blocks, to distribute write operations more evenly.What should Dr. Everest call this specific portion of his presentation?

Wear leveling

You work at a large department store selling computer products. Iwina walks in and wants to buy a wireless router. She explains that the media streaming device she ordered online supports a transmission speed of up to 200 Mbps. What type of router should you recommend?

Wi-Fi 802.11n

Patrick wants you to repair his laptop LCD screen. Patrick insists that it was not his fault, but sometime during the night, the laptop fell off his desk, and now the screen is broken. During disassembly of his laptop, you see a mini-PCIe card with a black cable and a white cable wire connected that appear to go into the screen bezel.What is the function of the two wires?

Wi-Fi antenna

You have a desktop system with a 2.5 inch 500 GB SDD and a laptop with a 200 GB SDD. You want to replace the 500 GB SSD on the desktop with a larger SSD and use the 500 GB SSD in the laptop. All data has been backed up. What factors do you need to consider?

You can simply proceed to install the SDD from the desktop laptop directly in the laptop.

Godiva's computer is having issues booting up. She troubleshoots and her best guess is that the BCD is corrupt.In her endeavor to plan a solution and implement it, what command should she include?

bootrec