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Prepare for the Western Governors University D322 CompTIA A+ Core 1 (220-1101) Exam with this comprehensive study guide featuring 310 practice questions, verified answers, detailed explanations, and exam-focused review material aligned with the latest certification objectives. This resource covers computer hardware, mobile devices, networking fundamentals, virtualization, cloud computing, printers, troubleshooting methodologies, operational procedures, motherboard components, storage technologies, BIOS/UEFI configuration, and essential IT support concepts required for success. Updated for 2026–2027, this guide is ideal for WGU D322 students, aspiring IT professionals, and anyone preparing for the CompTIA A+ Core 1 (220-1101) certification exam.
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Western Governors University D 322 Comptia a+ 1101 Exam 2026 Complete 310 Question Practice & Study Guide with Detailed Explanations Step 1 of the troubleshooting process - ✔✔ANSWER ✔✔-Identify the problem Step 2 of the troubleshooting process - ✔✔ANSWER ✔✔-Establish a theory of probable cause
Step 3 of the Troubleshooting Process - ✔✔ANSWER ✔✔-Test your Theory to Determine the Cause of the Problem *If the theory is not confirmed, re-establish a new theory Step 4 of the Troubleshooting Process - ✔✔ANSWER ✔✔-Establish a plan of action to resolve the problem and implement the solution. Step 5 of the Troubleshooting Process - ✔✔ANSWER ✔✔-Verify full system functionality
USB 3.0 - ✔✔ANSWER ✔✔-Known as super speed and is at least 5 gigabits per second USB 3.1 Gen One - ✔✔ANSWER ✔✔-Runs at 5 gigabits per second USB 3.1 Gen Two - ✔✔ANSWER ✔✔-Runs at 10 gigabits per second USB 3.2 Gen 2x2 - ✔✔ANSWER ✔✔-Runs at 20 gigabits per second USB 4 - ✔✔ANSWER ✔✔-The most modern version of USB and can run at 40 gigabits per second
True or False A USB 4 and a USB 3.2 gen 2x must have a shorter cable because that is going to give the best performance - ✔✔ANSWER ✔✔-True DVI-A - ✔✔ANSWER ✔✔-A DVI (Digital Visual Interface) video port that only transmits analog data. DVI-D - ✔✔ANSWER ✔✔-A DVI (Digital Visual Interface) video port that works only with digital monitors. DVI-I - ✔✔ANSWER ✔✔-A DVI (Digital Visual Interface) video port that supports both analog and digital monitors.
SATA Cable - ✔✔ANSWER ✔✔-The standard cables that are the main method of connecting a storage device to a motherboard inside of a desktop computer SATA version 1 - ✔✔ANSWER ✔✔-SATA version 1 can support speeds of up to 1.5 gigabits per second, SATA Version 2 - ✔✔ANSWER ✔✔-can support speeds of up 3 gigabits per second SATA version 3 - ✔✔ANSWER ✔✔-can support speeds of up to 6 gigabits per second
external SATA (eSATA) - ✔✔ANSWER ✔✔-A SATA cable on the outside of the case PATA - ✔✔ANSWER ✔✔-The old IDE connectors with the exact same cables and connectors and standards but renamed for branding ▪ Parallel devices have each cable support up to two devices and they both can communicate at the same time Molex Power Connector - ✔✔ANSWER ✔✔-A 4 - pin connector that would attach from the power supply directly to a device SCIS - ✔✔ANSWER ✔✔-A legacy parallel bus connector that allows multiple devices to be Daisy chained together ▪ A narrow SCIS can
ZIF - ✔✔ANSWER ✔✔-Zero Insertion Force The ability to insert the CPU without pressing down and applying pressure to it LGA socket - ✔✔ANSWER ✔✔-A form factor that positions all the pins to be able to connect the CPU processor into the socket PGA (form factor) - ✔✔ANSWER ✔✔-The processor has the pins and the socket have holes which allows the holes to align when installing the processor The two main types of CPU sockets are LGA, which is made by - ✔✔ANSWER ✔✔-LGA, which is made by Intel, and we have PGA, which has made by AMD.
PCI - ✔✔ANSWER ✔✔- 32 - bit expansion card ● PCI 32-bit cards support only a maximum bus speed of 33 MHz or 133 MBps PCI-X - ✔✔ANSWER ✔✔- 64 - bit expansion card (133 MHz) PCI-X 2.0 - ✔✔ANSWER ✔✔-(Legacy) Supports speeds of 266 MHz and 533 MHz Accelerated Graphics Port (AGP) - ✔✔ANSWER ✔✔-Used for video graphics cards ● AGP 1x ● AGP 2x ● AGP 4x ● AGP 8x Peripheral Component Interconnect Express (PCIe) - ✔✔ANSWER ✔✔-A connector slot which utilizes a switch to prioritize and routes
Graphics Processing Unit (GPU) - ✔✔ANSWER ✔✔-A specialized processor designed to accelerate graphics rendering 120V AC (Low Line Power) - ✔✔ANSWER ✔✔- US-based power supply 230V AC (High Line Power) - ✔✔ANSWER ✔✔- Europe and Asia power supply Amperage to Wattage - ✔✔ANSWER ✔✔-A x V ▪ I x V Random Access Memory (RAM) - ✔✔ANSWER ✔✔-Used to load applications and files into a non-persistent and fast storage area
Cache - ✔✔ANSWER ✔✔-High-speed memory dual data rate (DDR) memory - ✔✔ANSWER ✔✔-▪ Most common type of memory ● PC o 133 MHz Dynamic RAM (DRAM) - ✔✔ANSWER ✔✔- Oldest type of memory that requires frequent refreshing ● DRAM storage cell is dynamic Inverters - ✔✔ANSWER ✔✔-convert DC to AC When will you see a inverter - ✔✔ANSWER ✔✔-With devices that have CCFl you will have inverters
4:3 aspect ratio - ✔✔ANSWER ✔✔-the aspect ratio of a television that is 4 units wide by 3 units high SVGA - ✔✔ANSWER ✔✔-800x600 - Analog format SXGA - ✔✔ANSWER ✔✔-(Super eXtended Graphics Array) Pixel Dimensions: 1280 x 1024. Aspect Ratio: 5:4 (1.25) UXGA - ✔✔ANSWER ✔✔-1600 x 1200 (4:3) 16:10 aspect ratio - ✔✔ANSWER ✔✔-The display pixel dimension ratio used by productivity applications
WSXGA - ✔✔ANSWER ✔✔-Video display mode of 1440 × 900 WUXGA - ✔✔ANSWER ✔✔-1920x 720p - ✔✔ANSWER ✔✔-HD 1280 x 720 with Progressive scanning - Cheaper. QHD - ✔✔ANSWER ✔✔-2560x1440(also wqhd) 1080p - ✔✔ANSWER ✔✔-HD 1920 x 1080 - Progressive scanning (where each line on the screen is redrawn in order) - Full HD. 3840x2160 - ✔✔ANSWER ✔✔-4k (CLassic 4k)
intermittent projector shutdown - ✔✔ANSWER ✔✔-A common safety precaution for a projector when it has been used for a long period of time and needs to cool. If this occurs when the projector has only been powered a short period of time, check the filter. DLP - ✔✔ANSWER ✔✔-Uses tiny mirrors to create the projected image APU - ✔✔ANSWER ✔✔-Include a cpu and gpu on the same chip Maximum size of bytes for a packet - ✔✔ANSWER ✔✔- 1500
ifconfig command - ✔✔ANSWER ✔✔-A command used to display and modify the TCP/IP configuration information for a network interface.(linux) UTP has a maximum transmission distance of ____ - ✔✔ANSWER ✔✔-100 meters fiber-optic cable - ✔✔ANSWER ✔✔-A cable that transmits data at close to the speed of light along glass or plastic fibers. Multimode Fiber - ✔✔ANSWER ✔✔-A type of fiber optic cable that carries multiple light signals on a single strand. Single Mode Fiber - ✔✔ANSWER ✔✔-Long- range communication, Up to 100 km
