A+ Core 1 (220-1201)
Articles covering CompTIA A+ Core 1 (220-1201) exam objectives. These guides focus on mobile devices, networking, hardware, virtualization, cloud computing, and troubleshooting topics essential for your A+ Core 1 certification.
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Master hands-on skills with interactive PBQ labs! Practice ethernet cabling, printer configuration, network troubleshooting, storage setup, VM configuration, and wireless optimization.
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A+ Core 1 (220-1201) Objective 1.1: Monitor Mobile Device Hardware and Use Appropriate Replacement Techniques
Comprehensive guide to monitoring mobile device hardware components and implementing appropriate replacement techniques for batteries, keyboards, RAM, storage, wireless cards, and security components in A+ Core 1 certification exam preparation.
A+ Core 1 (220-1201) Objective 1.2: Compare and Contrast Accessories and Connectivity Options for Mobile Devices
Comprehensive guide to comparing and contrasting mobile device accessories and connectivity options including USB variants, Lightning, NFC, Bluetooth, tethering, and various accessories in A+ Core 1 certification exam preparation.
A+ Core 1 (220-1201) Objective 1.3: Configure Basic Mobile Device Network Connectivity and Provide Application Support
Comprehensive guide to configuring mobile device network connectivity including wireless/cellular networks, Bluetooth, location services, MDM, and data synchronization in A+ Core 1 certification exam preparation.
A+ Core 1 (220-1201) Objective 2.1: Compare and Contrast TCP and UDP Ports, Protocols, and Their Purposes
Comprehensive guide to comparing and contrasting TCP and UDP protocols, port numbers, and their purposes including FTP, SSH, SMTP, DNS, HTTP, and other network protocols in A+ Core 1 certification exam preparation.
A+ Core 1 (220-1201) Objective 2.2: Explain Wireless Networking Technologies
Comprehensive guide to wireless networking technologies including frequencies (2.4GHz, 5GHz, 6GHz), channels, Bluetooth, 802.11 standards, NFC, and RFID in A+ Core 1 certification exam preparation.
A+ Core 1 (220-1201) Objective 2.3: Summarize Services Provided by Networked Hosts
Comprehensive guide to services provided by networked hosts including server roles, internet appliances, legacy systems, and IoT devices in A+ Core 1 certification exam preparation.
A+ Core 1 (220-1201) Objective 2.4: Explain Common Network Configuration Concepts
Comprehensive guide to common network configuration concepts including DNS records, DHCP configuration, email authentication, VLANs, and VPNs in A+ Core 1 certification exam preparation.
A+ Core 1 (220-1201) Objective 2.5: Compare and Contrast Common Networking Hardware Devices
Comprehensive guide to comparing and contrasting common networking hardware devices including routers, switches, access points, firewalls, PoE devices, and NICs in A+ Core 1 certification exam preparation.
A+ Core 1 (220-1201) Objective 2.6: Configure Basic Wired/Wireless SOHO Networks
Comprehensive guide to configuring basic wired and wireless Small Office/Home Office (SOHO) networks including IP addressing, IPv4/IPv6, APIPA, static/dynamic addressing, subnet masks, and gateways in A+ Core 1 certification exam preparation.
A+ Core 1 (220-1201) Objective 2.7: Compare and Contrast Internet Connection Types, Network Types, and Their Characteristics
Comprehensive guide to comparing and contrasting internet connection types (satellite, fiber, cable, DSL, cellular, WISP) and network types (LAN, WAN, PAN, MAN, SAN, WLAN) with their characteristics in A+ Core 1 certification exam preparation.
A+ Core 1 (220-1201) Objective 2.8: Explain Networking Tools and Their Purposes
Comprehensive guide to networking tools and their purposes including crimpers, cable strippers, Wi-Fi analyzers, toner probes, punchdown tools, cable testers, loopback plugs, and network taps in A+ Core 1 certification exam preparation.
A+ Core 1 (220-1201) Objective 3.1: Compare and Contrast Display Components and Attributes
Comprehensive guide to comparing and contrasting display components and attributes including LCD types (IPS, TN, VA), OLED, Mini-LED, touch screens, inverters, pixel density, refresh rates, resolution, and color gamut in A+ Core 1 certification exam preparation.
A+ Core 1 (220-1201) Objective 3.2: Summarize Basic Cable Types and Their Connectors, Features, and Purposes
Comprehensive guide to basic cable types and their connectors, features, and purposes including network cables, peripheral cables, video cables, hard drive cables, and various connector types in A+ Core 1 certification exam preparation.
A+ Core 1 (220-1201) Objective 3.3: Compare and Contrast RAM Characteristics
Comprehensive guide to comparing and contrasting RAM characteristics including form factors (SODIMM and DIMM), DDR iterations, ECC vs. non-ECC RAM, and channel configurations in A+ Core 1 certification exam preparation.
A+ Core 1 (220-1201) Objective 3.4: Compare and Contrast Storage Devices
Comprehensive guide to comparing and contrasting storage devices including hard drives, solid-state drives, RAID configurations, removable storage, and optical drives in A+ Core 1 certification exam preparation.
A+ Core 1 (220-1201) Objective 3.5: Install and Configure Motherboards, CPUs, and Add-on Cards
Comprehensive guide to installing and configuring motherboards, CPUs, and add-on cards including form factors, connectors, compatibility, BIOS/UEFI settings, CPU architecture, expansion cards, and cooling solutions in A+ Core 1 certification exam preparation.
A+ Core 1 (220-1201) Objective 3.6: Install the Appropriate Power Supply
Comprehensive guide to installing the appropriate power supply including input voltage requirements, output voltage rails, motherboard connectors, redundant power supplies, modular power supplies, wattage ratings, and energy efficiency in A+ Core 1 certification exam preparation.
A+ Core 1 (220-1201) Objective 3.7: Deploy and Configure Multifunction Devices/Printers and Settings
Comprehensive guide to deploying and configuring multifunction devices and printers including setup procedures, driver selection, connectivity options, security features, network services, and scanner functionality in A+ Core 1 certification exam preparation.
A+ Core 1 (220-1201) Objective 3.8: Perform Appropriate Printer Maintenance
Comprehensive guide to performing appropriate printer maintenance including laser printer maintenance (toner replacement, maintenance kits, calibration, cleaning), inkjet printer care, thermal printer maintenance, and impact printer maintenance in A+ Core 1 certification exam preparation.
A+ Core 1 (220-1201) Objective 4.1: Explain Virtualization Concepts
Comprehensive guide to understanding virtualization concepts including virtual machine purposes (sandbox, test development, application virtualization), requirements (security, network, storage), desktop virtualization (VDI), containers, and hypervisors (Type 1 and Type 2) in A+ Core 1 certification exam preparation.
A+ Core 1 (220-1201) Objective 4.2: Summarize Cloud Computing Concepts
Comprehensive guide to understanding cloud computing concepts including common cloud models (private, public, hybrid, community), service models (IaaS, SaaS, PaaS), and cloud characteristics (shared resources, metered utilization, elasticity, availability, file synchronization, multitenancy) in A+ Core 1 certification exam preparation.
A+ Core 1 (220-1201) Objective 5.1: Troubleshoot Motherboards, RAM, CPUs, and Power
Comprehensive guide to troubleshooting motherboards, RAM, CPUs, and power including common symptoms (POST beeps, crash screens, blank screens, no power, sluggish performance, overheating, burning smells, random shutdowns, application crashes, unusual noise, capacitor swelling, inaccurate date/time) and systematic troubleshooting approaches in A+ Core 1 certification exam preparation.
A+ Core 1 (220-1201) Objective 5.2: Troubleshoot Drive and RAID Issues
Comprehensive guide to troubleshooting drive and RAID issues including common symptoms (LED indicators, grinding noises, clicking sounds, bootable device not found, data loss/corruption, RAID failure, S.M.A.R.T. failure, extended read/write times, low IOPS, missing drives, array missing, audible alarms) and systematic troubleshooting approaches in A+ Core 1 certification exam preparation.
A+ Core 1 (220-1201) Objective 5.3: Troubleshoot Video, Projector, and Display Issues
Comprehensive guide to troubleshooting video, projector, and display issues including common symptoms (incorrect input source, physical cabling issues, burnt-out bulb, fuzzy image, display burn-in, dead pixels, flashing screen, incorrect color display, audio issues, dim image, intermittent projector shutdown, sizing issues, distorted image) and systematic troubleshooting approaches in A+ Core 1 certification exam preparation.
A+ Core 1 (220-1201) Objective 5.4: Troubleshoot Common Mobile Device Issues
Comprehensive guide to troubleshooting common mobile device issues including common symptoms (poor battery health, swollen battery, broken screen, improper charging, poor/no connectivity, liquid damage, overheating, digitizer issues, physically damaged ports, malware, cursor drift/touch calibration, unable to install new applications, stylus does not work, degraded performance) and systematic troubleshooting approaches in A+ Core 1 certification exam preparation.
A+ Core 1 (220-1201) Objective 5.5: Troubleshoot Network Issues
Comprehensive guide to troubleshooting network issues including common symptoms (intermittent wireless connectivity, slow network speeds, limited connectivity, jitter, poor VoIP quality, port flapping, high latency, external interference, authentication failures, intermittent internet connectivity) and systematic troubleshooting approaches in A+ Core 1 certification exam preparation.
A+ Core 1 (220-1201) Objective 5.6: Troubleshoot Printer Issues
Comprehensive guide to troubleshooting printer issues including common symptoms (lines down printed pages, garbled print, paper jams, faded prints, paper not feeding, multipage misfeed, multiple prints pending in queue, speckling, double/echo images, grinding noise, finishing issues, incorrect page orientation, tray not recognized, connectivity issues, frozen print queue) and systematic troubleshooting approaches in A+ Core 1 certification exam preparation.