Question # 1 A technician receives a call from a user about a new USB 3.1 docking station. The user claims that their laptop does not charge when connected to the dock. The user confirms that the AC adapter for the dock is plugged in. Which of the following is the most likely cause? A. The dock is not designed to provide power passthrough.B. The dock is only connected to a USB 3.0 port.C. Proper drivers for the dock were not installed.D. Too many accessories are plugged into the dock.
Click for Answer
A. The dock is not designed to provide power passthrough.
Answer Description Explanation: If a laptop does not charge when connected to a USB 3.1 docking station despite the AC adapter being plugged in, the most likely reason is that the dock is not designed to provide power passthrough. This means that the dock's primary function is connectivity for peripherals rather than power delivery to the laptop. The other options are possible but less likely if the sole issue is the absence of charging functionality when the dock and its power supply are properly connected.
Question # 2 An engineer is building a workstation that requires the following components:
An ATX motherboard A multi-core processor A dedicated graphics solution A SATA hard drive DDR4 memory A. 12V, 500W outputB. SFX, 18-pin connectorC. DC inputD. Type A socket
Click for Answer
A. 12V, 500W output
Answer Description Explanation : A power supply unit (PSU) is a component that converts AC power from the
wall outlet to DC power that can be used by the computer components. A PSU has various
specifications, such as input voltage, output voltage, wattage, connector type, form factor,
and efficiency rating3. In this scenario, the engineer is building a workstation that requires
the following components: an ATX motherboard, a multi-core processor, a dedicated
graphics solution, a SATA hard drive, and DDR4 memory. The most suitable power supply
specification for this workstation is 12V, 500W output. This means that the PSU can
provide 12 volts of DC power and 500 watts of total power to the components. 12V is the
standard output voltage for most modern PSUs, and it is compatible with the ATX
motherboard and the SATA hard drive4. 500W is a sufficient wattage for a workstation that
has a multi-core processor and a dedicated graphics solution, which are power-hungry
components5. The other power supply specifications are not suitable for this workstation
because:SFX, 18-pin connector is a form factor and a connector type that are not compatible with
the ATX motherboard, which requires an ATX form factor and a 24-pin connector6. DC input is a type of input voltage that is not common for desktop PSUs, which usually
use AC input from the wall outlet. Type A socket is a type of AC power plug that is used in North America and Japan, but it
is not a power supply specification.
Question # 3 Which of the following concepts would be used by an online retailer to quickly add more
web servers during peak sales times? A. Community cloudB. Rapid elasticityC. High availabilityD. Metered service
Click for Answer
B. Rapid elasticity
Answer Description Explanation : Rapid elasticity would be used by an online retailer to quickly add more web
servers during peak sales times.References : CompTIA A+ Certification Exam Guide,
Exam 220-1001, Page 405
Question # 4 Which of the following external monitor connections provides the highest possible resolution for a PC? A. ThunderboltB. DVIC. VGAD. HDMIE. DisplayPort
Click for Answer
E. DisplayPort
Answer Description Explanation: DisplayPort is a type of external monitor connection that provides the highest possible resolution for a PC. DisplayPort supports up to 8K resolution at 60 Hz, or 4K resolution at 120 Hz, with a maximum bandwidth of 32.4 Gbps. DisplayPort also supports audio, multiple monitors, and adaptive sync. DisplayPort is compatible with other types of connections, such as HDMI and DVI, with adapters.
Question # 5 A technician needs to upgrade the power supply of a workstation that contains a high-end
graphics card, 16 hyperthreaded cores, and multiple hard drives. Which of the following
should the technician use to determine the appropriate power supply for the workstation? A. The manufacturer's specifications for the componentsB. The wattage of the current power supplyC. The wattage of the motherboardD. The capacity of the hard drivesE. The number of hyperthreaded cores
Click for Answer
A. The manufacturer's specifications for the components
Answer Description Explanation : The manufacturer’s specifications for the components are the best source of
information to determine the appropriate power supply for the workstation. The
manufacturer’s specifications will list the power requirements and recommendations for
each component, such as the graphics card, the CPU, the hard drives, and the
motherboard. By adding up the power consumption of each component, the technician can
estimate the total wattage needed for the workstation. The technician should also consider
some extra headroom for future upgrades or peak loads. The technician can then choose a
power supply that meets or exceeds the total wattage and has the right connectors and
form factor for the workstation.
Question # 6 An internet service provider is delivering service through a copper medium with shared customer bandwidth. Which of the following services has most likely been installed? A. FiberB. CableC. NICD. DSL
Click for Answer
B. Cable
Answer Description Explanation: Cable internet service is delivered through coaxial cables that are shared among multiple customers in a neighborhood. This means that the bandwidth may vary depending on the network congestion. Fiber, NIC, and DSL are not copper-based or shared mediums.
Question # 7 A technician was called in to look at a user's PC. The user reported the PC was very
sluggish. The HDD light on the PC was constantly on without blinking. The PC itself was
slow receiving input and took a very long time to load the OS. The technician also noticed
updates had failed. Which of the following is MOST likely the cause of these issues? A. The hard disk drivers have been corruptedB. The HDD cables need reseatingC. A RAID disk failedD. The HDD has no free space.
Click for Answer
D. The HDD has no free space.
Answer Description Explanation : If a user’s PC is very sluggish, the HDD light on the PC is constantly on
without blinking, the PC itself is slow receiving input, and it takes a very long time to load
the OS, the HDD has no free space is most likely the cause of these issues. When the hard
disk drive (HDD) has no free space, the computer may become slow and unresponsive.
The technician should check the amount of free space on the HDD and delete any
unnecessary files to free up space.
Question # 8 A remote user reports connectivity issues with the local internet provider. Even after a
technician reboots the modem supplied by the ISP. the issue persists. Which of the
following would BEST establish the connection in minimal time? A. Radio frequency ISPB. Neighbor's Wi-FiC. Mobile hotspotD. Fiber optic
Click for Answer
C. Mobile hotspot
Answer Description Explanation : Using a mobile hotspot is the best way to establish an internet connection in
minimal time for a remote user who is experiencing connectivity issues with the local
internet provider. A mobile hotspot can be set up quickly and provides a reliable connection
using cellular data. References : CompTIA A+ Certification Exam Objectives 1001, 3.4
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