CompTIA A+ 220-1201

Our drives provide a critical long-term storage for our important documents. In this video, you’ll learn about troubleshooting grinding noises, drive not recognized errors, data loss, corruption, RAID issues, S.M.A.R.T. analysis, IOPS measurements, and more. << Previous: Troubleshooting Hardware Next Video: Troubleshooting Display Issues >>

Many troubleshooting tasks will involve computers, laptops, and other hardware. In this video, you’ll learn how to troubleshooting with the Power On Self Test (POST), blue screen of death (BSoD), proprietary error messages, blank screens, no power, sluggish performance, and overheating. << Previous: Cloud Characteristics Next Video: Troubleshooting Storage Devices >>

There are many different models for deploying a cloud infrastructure. In this video, you’ll learn about public vs. private cloud deployments, infrastructure as a service (IaaS), software as a service (SaaS), and platform as a service (PaaS). << Previous: Virtualization Services Next Video: Cloud Characteristics >>

There are many different methods to virtualize an operating system. In this video, you’ll learn about hypervisors, type 1 and type 2 virtualization, CPU support, network requirements, virtual desktop infrastructure (VDI), and containerization. << Previous: Virtualization Concepts Next Video: Cloud Models >>

Virtualization provides a way to run multiple operating systems simultaneously on the same physical system. In this video, you’ll learn about virtualization, sandboxing, developing software, legacy software use, and cross-platform virtualization. << Previous: Impact Printer Maintenance Next Video: Virtualization Services >>

Maintaining a dot-matrix printer includes a number of basic tasks. In this video, you’ll learn about ribbon replacement, print head replacement, and paper replacement. << Previous: Impact Printers Next Video: Virtualization Concepts >>

Impact printers use a print head to physically press against a page to create the printed output. In this video, you’ll learn about dot-matrix printers, printer heads, printer ribbons, tractor feeds, and multipart paper. << Previous: Thermal Printer Maintenance Next Video: Impact Printer Maintenance >>

Maintaining a thermal printer involves a number of different tasks. In this video, you’ll learn about thermal paper replacement, heating element cleaning, removing debris, and thermal paper sensitivity to heat. << Previous: Thermal Printers Next Video: Impact Printers >>

Thermal printers use heat to create the output. In this video, you’ll learn about thermal printers, feed assemblies, heating elements, and thermal paper. << Previous: Inkjet Printer Maintenance Next Video: Thermal Printer Maintenance >>