Hardware Mod. 3
Which of the following voltages are provided by an ATX power supply?
12, 5, 3.3
Which of the following motherboard power connectors typically connect directly to the motherboard?
24-pin motherboard power and 4-pin CPU power
You have a motherboard that uses a 24-pin ATX connector. Which types of power supply could you use with this motherboard?
A power supply with a 24-pin ATX connector only and A power supply with a 20-pin ATX and a +4-pin connector
Which of the following central processing unit (CPU) architectures implement a system-on-chip (SoC) where all the controllers, including video, sound, networking, and storage, are part of the CPU?
ARM
A hardware technician is ordering power supply units (PSUs) for the organization's desktop computers. Most PSUs designed for use with desktop PCs are based on which form factor?
ATX
You are in the process of purchasing several new Windows-based computers to replace broken or outdated computers.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 systems' overall performance. Which of the following BEST describe the features of solid-state drives (SSDs) compared to hard disk drives (HDDs)?
An SSD opens files faster than an HDD. and An SSD uses flash technology to store data.
Which Blu-ray standard defines rewritable discs?
BD-RE
What is the primary way that DDR2, DDR3, DDR4, and DDR5 memory improve performance over earlier DDR versions?
By multiplying the bus speed to allow higher bandwidth
You are a sales representative for a large pharmaceutical company. You often want to share information from your laptop quickly with customers during onsite visits. Which of the following storage media would BEST allow you to quickly and inexpensively share your files with the customers?
Flash drive
You have been using the same computer for several years. To improve performance, you decide to upgrade the processor. You check the motherboard documentation and purchase the fastest processor that is supported by the motherboard. However, when you try to start the computer, it beeps regularly, and nothing is displayed on the screen. Which of the following actions will MOST likely resolve this issue?
Flash the UEFI firmware. and Reinstall the old processor in the motherboard.
One of the video editors in your company is worried that they could lose a lot of data if their hard drive fails. They have asked you to come up with a solution. To do this, you have decided to implement a RAID 10 solution on their desktop workstation. Which of the following is the MINIMUM number of hard disks that you can use?
Four
Your server runs in quadruple-channel memory mode. How many memory controllers are being used?
Four
Which storage device uses aluminum platters for storing data?
Hard disk
You are configuring a new system, and you want to use a RAID 0 array for the operating system using SATA disks and a special controller card that includes a RAID processor. Which RAID method should you use?
Hardware
An employee submits a support ticket stating that their computer will not turn on. Which of the following troubleshooting steps should you take first?
Make sure that the surge protector is turned on. and Make sure that the power cord is plugged into the wall.
A hardware technician installed a new power supply unit (PSU) in a workstation and removed unnecessary power connector cables. What type of PSU did the technician install?
Modular
Which of the following refers to placing two or more processors in a single processor chip?
Multi-core
A software developer is creating an application that will run multiple parallel threads through the central processing unit (CPU) at the same time to reduce the amount of "idle time" the CPU spends waiting for new instructions to process. What type of process is the developer taking advantage of?
Multithreading
You have configured Disk 3 and Disk 4 on your Windows 11 workstation as a RAID 1 array with the NTFS file system, and you have assigned F as the drive letter for the array. Each disk has an individual storage capacity of 1 TB. However, when you check the available storage size of F, you notice that it only lists 1 TB (instead of 2 TB) of available disk storage space. What should you do to resolve the issue?
Nothing. The RAID array is working as designed.
You need to replace the power supply in your home desktop computer. Which of the following specifications are the MOST likely to affect your power supply choice?
Output wattage, Form factor, and Type and number of connectors
Which of the following thermal solutions might you find on memory modules?
Passive heat sink
Due to a power failure, 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 from the DVD drive. What is the easiest method for retrieving the disc?
Push a straightened 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
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 that he has at least one data backup 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
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.
Your computer has a dual-core processor installed. The motherboard supports processors with up to eight cores. You want to upgrade your computer to a quad-core system. Which of the following is part of the configuration steps?
Replace the existing processor with one that has four cores.
You are testing the power supply in a PC system by measuring the voltage on the 12 V rail using a multimeter. The voltage is registering as +10.1 volts. What should you do?
Replace the power supply.
Which optical media has the greatest storage capacity?
Single-layer, single-sided Blu-ray Disc
You want to create a high-performance Windows laptop with both a 2-TB hard drive and a 1-TB SSD drive. Which of the following are data storage recommendations for your high performance system?
Store data that requires high performance on the SSD drive. and Store heavily used information on the hard drive.
You work at a computer repair store. You just upgraded the processor (CPU) in a customer's computer. The computer starts, but it locks up shortly after starting Windows. Which of the following is MOST likely causing the computer to automatically shut down?
The fan is not running.
What happens in Windows when physical RAM is being used to its full capacity and a user runs a new application?
The kernel moves the data from an app not currently being accessed from RAM to a paging file.
What must be true for device drivers in a 64-bit operating system?
They must be written specifically for 64-bit systems.
What is a key advantage of ARM-based processors in mobile devices compared to x86/x64 processors?
They offer higher performance-per-watt, improving battery life.
What distinguishes SD Express cards from earlier versions of SD cards?
They offer much higher speeds
What is the primary purpose of a 20+4-pin P1 adapter cable on an ATX power supply unit (PSU)?
To provide compatibility with both 20-pin and 24-pin motherboards
You have just installed a new CPU in your workstation along with a CPU heat sink and fan. Which of the following should you do next as a best practice?
Update the UEFI after installing the processor.
You have a desktop computer that provides a 250-watt power supply. You recently added a four-disk RAID 10 array to the system, and now it spontaneously shuts down. Which of the following would MOST likely solve this issue?
Upgrade to a power supply that provides more watts.
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 11. 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.
Use mirrored volumes.
Which of the following is simulated memory that is created through a paging file on the hard drive?
Virtual memory
Which component is responsible for transferring heat from the CPU to the liquid in a liquid cooling system?
Water block
You have a desktop computer that you want to upgrade. You add several internal and external components. You realize that you need to ensure that your power supply can support these new components. Which of the following power supply ratings BEST describes the rating you would use to determine this?
Watt rating
You want to create a software RAID 1 array on your Windows 11 workstation using Disk 1 and Disk 2. What do you need to do with Disk 1 and Disk 2 before configuring them for a RAID 1 array?
Convert the disks from basic to dynamic.
Your company relocated you from the United States to their United Kingdom office in London. You brought your personal computer with you, and you are in the process of setting it up. Your computer was previously configured to receive 115 VAC, but the electricity in London uses 230 VAC. Which of the following would allow your computer to run on 230 VAC?
Inspect the power supply unit for a manual voltage switch and move it to 230 VAC. Otherwise, no action is necessary.
You have a computer with a quad-core 64-bit processor that uses the x86-x64 instruction set. You want to install the 32-bit application on the computer. Which of the following BEST describes the action that you should perform?
Install the application normally.
You have an existing computer running Windows 11. You want to configure a RAID 1 array in the computer. You install two new SATA drives and then use the RAID controller integrated in the motherboard to define a RAID 1 array using both drives. When you boot the computer, Windows does not show the logical RAID drive. What should you do?
Install the driver for the RAID controller.
Which of the following is the purpose of cache memory?
It allow a processor to access data more quickly.
What does Double Data Rate (DDR) memory achieve by using both the rising and falling edges of the clock cycle?
It doubles the data transfer rate compared to traditional SDRAM.
How does the x64 architecture enhance virtualization and security?
It includes hardware-based virtualization technologies and Data Execution Prevention (DEP).
Which of the following will ensure optimal system cooling?
Keep the ambient temperature below 80 degrees F., Leave space between the case and any walls or obstructions., and Bundle cables together and secure unused cables to the case.
You are installing an Intel Core processor into a motherboard. Which socket type are you most likely using?
Land Grid Array (LGA)
You have just received an order for various system components you placed several weeks ago. One of the components is labeled as SO-DIMM memory. Which of the following was this memory MOST likely purchased for?
Laptop computers
