Fichas
CompTIA A+ Exam Prep
Fichas del conjunto (33)
- 1What connector would you use to connect a keyboard to a computer?Mini-DIN & USB
- 2What DVI connector can accept both digital and analog signals?DVI-I (or interchangeable) can connect with either DVD -D or DVI-A and accept either digital or analog signals.
- 3What is the port found on network cards?RJ-45
- 4What port(s) can accept a USB 3.0 cable with a Type-B Plug?Only the same type of cable.
- 5What kind of connector does Thunderbolt 3 use?USB Type-C Connector
- 6In theory, how many USB devices can connect to a single host controller?127 USB devices
- 7Which type or cable or controller may be used for high quality video and audio?HDMI
- 8To what does a Type-A USB connector connect?Connects to the USB port on a computer. USB devices have a Type-B port.
- 9What is the top data transfer speed under the USB-3.0 standard?5 gigabytes per second
- 10How many devices can you daisy-chain on a single FireWire connection?63
- 11When should Techs back up their systems?Always
- 12What are the 6 CompTIA troubleshooting steps?1) Identify the problem.
2) Establish a theory of probable cause (question the obvious).
3) Test the theory to determine cause.
4) Establish a plan of action to resolve the problem and implement the solution.
5) Verify full system functionality, and if applicable, implement preventative measures.
6) Document findings, actions, and outcomes. - 13What is a mini-DIN port?miniDIN-6 connector (so you can connect the keyboard only 1 way)
- 14What is a BNC connector used for?10Base2 or Thinnet networking
- 15What is ESD?electrostatic discharge
- 16What is a brownout?When the supply of emergency drops dramatically but does not go out completely.
- 17What is a blackout?When the power goes out completely?
- 18What is a power surge?Then the voltage on an electrical line spikes unexpectedly.
- 19What is EMI?Electromagnet Interference = when two signals in close proximity interfere with each other.
- 20What is catastrophic ESDWhen a computer component fails immediately.
- 21What are enclosures?Devices the provide protection against electrostatic discharges.
- 22Why are Type C and Type ABC fire extinguishers important?They help fight electrical fires.
- 23What is the proper way to dispose of batteries, CRTs, toner, and chemical solvents?By following the Material Safety Data Sheets (MSDS) items for each item.
- 24What 2 products do the best job of removing dust from devices?Canned air and non-static vacuum.
- 25What should you avoid putting on a LCD display?Windex or window cleaner.
- 26What does BIOS stand for?Basic input-output system.
- 27What is a northbridge?The northbridge motherboard schematic helps the CPU with with RAM and the video card; connects to the fastest devices. Northbridge needs a fan.
- 28What is a southbridge?The southbridge motherboard schematic handles some expansion devices and data storage devices; connects to the lower speed devices. A fan or cooling device is not usually needed.
- 29What is an ATX motherboard?The motherboard is an older device with rearranged expansion slots, CPU, and RAM for easier access and enhanced performance and to prevent long expansion cards from colliding with the CPU (a common problem).
- 30What is an ITX motherboard?It is a smaller and newer motherboard design, with even smaller versions of the nano-ITX and pico-ITX versions.
- 31What is a riser card?AKA daughter card. It is a card that rises out of the main motherboard and allows for additional component parts.
- 32What is a capacity and what does it do?It smooths power by storing and releasing energy. Sometimes they bulge when they fail.
- 33What is a PSU? What is a another name of
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- A+ Certification Fichas sobre CompTIA A+ Exam Prep, creado por Steve Milford el 18/09/2018.
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- Steve Milford
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