CompTIA A+ CORE 1 220-1101 Practice Exams

Flashcards for CompTIA A+ CORE 1 220-1101 Practice Exams by Professor Messer.

Lightning Connector

Apple proprietary connectors that provide an 8-pin digital signal between a mobile device and a computer.

RJ45 Connector

8P8C (Eight position, eight conductor) interfaces, and are commonly used for Ethernet network connections

HDMI

A common video connection type and is used across a wide variety of computing devices, LCD projectors, and display monitors

Micro-USB

Commonly used to connect mobile devices to computers.

DB-9 connectors

Often used to communicate with modems, management interfaces, and any other RS-232 serial devices.

USB-C

Used to connect and power external devices and is reversible, so it can be inserted into an interface without maintaining a particular orientation.

Thermal Printer

Uses a heating element to change the color of specially treated paper and prints very quietly, but the paper is sensitive to light and heat.

Impact Printer

Uses a print head to physically impact the printed page and places a ribbon between the print head and the page to create marks on the paper.

Inkjet Printer

Places small drops of ink onto a page, and the printer commonly contains cartridges that store the ink.

Laser Printer

The fuser assembly uses heat and pressure to melt plastic toner powder and permanently bond the toner to the page.

3D Printers

Melts plastic filament or harden resin to create objects in three dimensions.

Tone generator

Tool used to produce an analog tone on the cable, and an inductive probe is used to "listen" for the tone on the other end of the cable.

Hypervisor

A software that manages the virtual platform and guest operating systems.

RAID (Redundant Array of Independent Disks)

A method of combining storage drives together to add speed and/or redundancy

WAN (Wide Area Network)

Connects LANs across a long geographical distance.

NFC (Near Field Communication)

Designed to transfer small amounts of data wirelessly over a limited area.

Metering

Monitors utilization for usage-based billing.

Rapid elasticity

Provides a way to quickly scale up and down as needed

Rapid elasticity

The characteristic of scaling up or down cloud resources with demand.

SDN (Software Defined Networking)

A networking device that split into logical units and virtualized into a software-based deployment.

ARM (Advanced RISC Machine)

Provides efficient processing, less power, and less heat and a common choice for mobile and IoT devices.

Crimper

Fastens a modular connector onto the end of a cable

Metering

Measures transaction activity, CPU utilization, storage use, and other important metrics.

Cable Broadband

Provides Internet data, voice and video over the same wire.

System Protection

A Windows feature to create backup files when a system configuration changes.