CERT_MASTER 1101 - WGU (D316) Final Practice Assessment.docx

USB port - Explanation: Internal USB 2 connections are made via 9-pin headers, which accept up to two 4-pin port connections while the 9th pin is to orient the cable correctly. - correct answer A new computer experiences a malfunction with a touch input device. A support engineer disassembles the computer to diagnose the problem. While troubleshooting, which component would the technician find as a 9-pin header on the motherboard x1 x8 Explanation: Each PCIe adapter card supports a specific number of lanes. Ideally, the card should be plugged into a port that supports the same number. Often a card will only work at x1 if in a mismatched port. If insufficient slots are available, a card will fit in any port with an equal or greater number of lanes. The card may work at x8. - correct answer A PC tech plugs a x8 PCIe adapter card into a x16 socket. What speed would the card be capable of running? (Select all that apply.) USB 3.2 Gen 2x1 Explanation: Variations of USB 3.x introduced new connector form factors and faster transfer rates than previous versions. USB 3.2 Gen 2x1 is capable of speeds up to 10 Gbps. - correct answer A technician plugs a USB device into a computer and notices that the speeds are slightly less than expected. The USB port and device are USB 3.x devices, and the achieved speed is roughly 9 Gbps. What USB standard is in use? DVI-I Explanation: DVI-I is a technology that is capable of connecting a digital source to a digital display or an analog source to an analog display. A VGA to DVI-I cable will connect your digital computer to an analog monitor. - correct answer A user tries to connect a second monitor to a computer. The computer has an available digital visual interface (DVI) connector that outputs a digital signal and the monitor has a video graphics array (VGA) connector. A technician recommends a VGA to which type of cable? USB 3.2 Gen 2x2 Explanation: The universal serial bus (USB) 3.2 specification deprecated some of the older terms used to describe the supported transfer rates. USB 3.2 Gen 2x2 SuperSpeed USB is capable of 2 x 10 Gbps. - correct answer Which current USB standard supports 2 x 10 Gbps speeds and uses a USB-C connector type? Thermal grease Explanation: During the installation of the heat sink on top of the CPU, a small amount of thermal grease must be applied in an X-pattern to allow for heat transference to be most successful. - correct answer A hardware technician replaces the central processing unit (CPU) on an Advanced Micro Devices (AMD) motherboard. What must be applied when connecting the heat sink to the CPU? WATTAGE RATING Explanation: The PSU's output capability is measured as its wattage rating. Power is measured in watts (W), calculated for electrical components as voltage multiplied by current (V*I). - correct answer A laptop technician replaces the power supply in a desktop system. To do this, the technician needs to know the output of the current power supply unit (PSU). What is the PSU output capability measured as? 20+4-pin Explanation: Most modular power supply units (PSUs) have a 20+4-pin P1 adapter cable for compatibility with older motherboards with a 20-pin port. - correct answer A technician builds a spare computer with an older motherboard and purchases a new modular power supply. What type of motherboard connector will the power supply most likely provide? Flex Explanation: In flex mode, memory that is of equal value within each channel can work as dual-channel while the remainder of the memory will work in single-channel mod - correct answer A technician installs memory into a computer that supports a multi-channel configuration. A 4GB module is placed in bank A1 and a 16GB module is placed in bank B1. A diagnostic tool reports that 12GB is useable, but not as multi-channel. What mode does the system use in making all of the memory available? Two processors combined in the same package Explanation: A multi-core central processing unit (CPU) is multiple processors combined in one. This means that there are multiple execution units and registers. This is referred to as chip level multiprocessing (CMP). - correct answer A user complains that a computer is too slow when opening numerous applications. A technician suggests purchasing a new computer that features CMP capabilities to handle the user's workload. Which statement describes the technician's suggestion? 5 Explanation: RAID 5 requires a minimum of three drives but can be configured with more. When configuring RAID 5, an equal portion of each disk is used for parity. - correct answer An engineer configures 6 disks in a workstation to be part of a redundant array of independent disks (RAID) volume where one-sixth of the space on each disk will be used for parity. Which RAID type does the engineer implement? Virtual RAM Explanation: The total amount of addressable memory (system RAM plus swap space) is referred to as virtual memory or virtual RAM. With virtual memory, the OS assigns memory locations to processes in 4-kilobyte chunks called pages. - correct answer If there is not enough system Random Access Memory (RAM), the memory space can be extended by using disk storage as a page file or swap space. What is this combination of addressable memory called? Magnetic Optical Solid-State Explanation: Magnetic drives, commonly called hard disk drives (HDDs), store data on metal or glass platters that are coated with a magnetic substance. Optical drives, such as Compact Discs (CDs), DVDs, and Blu-Ray drives, use a laser to read data that has been encoded on the surface of the disc. A solid-state drive (SSD) uses flash memory technology to implement persistent mass storage. - correct answer Non-volatile storage devices hold data when the system is powered off. These devices are also referred to as mass storage. What are the three types of technologies that mass storage devices use? RAID 5 & RAID 0 Explanation: RAID 5 needs at least 3 disks but can be configured with more, depending on the system's capacity. RAID 5 is a striping configuration with parity.