Networks come in many different shapes and sizes. In this video, we’ll discuss the differences in Ethernet, WAN, and Token Ring topologies, and learn about the differences in client/server, peer to peer, and Windows Domain-based technologies. We’ll also take a tour through the myriad wired and wireless technologies, including ISDN, DSL, infrared, Bluetooth, and mobile wireless networks.
The cable is the important component that links all of our networked devices together, but it’s a critical link that’s often overlooked. In this video, we’ll learn the importance of plenum-rated cable, explore the differences between copper and fiber, and examine network cabling types such as RS-232, USB, and FireWire. We’ll also examine the most common network connector types and discuss some troubleshooting methods you can use to keep your network cabling working perfectly.
In today’s computing environments, it’s almost assumed that your computer will connect to a network of some kind. In this video, we’ll give you an overview of networking technologies and introduce you to the concepts of topologies, cabling, bandwidth, duplex, addressing and protocols.
The network has become an important part of any personal computer system, and the CompTIA A+ exam requires an understanding of the administration and use of networked devices and resources.
Professor Messer’s Free CompTIA A+ Certification Training Course – Networking Read More »
There are numerous utilities that can assist with the diagnosing of problems in the Windows operating system. In this video, we’ll work with the Task Manager, Device Manager, Event Viewer, MSCONFIG utility, Remote Desktop, System File Checker, Registry Editor, and demonstrate the features of the Computer Management console.
Errors with the boot sector or operating system boot files create massive problems for CompTIA A+ certified professionals. In this video, we’ll discuss boot sector errors (invalid partition tables, operating system not found), operating system boot file problems (NTLDR is missing), and application startup problems.
Windows is a great operating system, but it isn’t foolproof. If you’ve ever needed to troubleshoot the infamous blue screen of death, random operating system lockups, device problems, or application errors, this video should help you through some of these more common operational issues.
The management of disks and their data is a priority for any CompTIA A+ certified professional. In this video, we’ll discuss disk formatting, the check disk process, disk defragmentation, disk backup, and freeing up disk space.
When things go bad with an operating system, they can often go very, very bad. In this video, we’ll show you how you can recover from major operating system startup problems using Safe Mode, Last Known Good Configuration, Automated System Recovery Disks, and the Windows Recovery Console.
The true test of a CompTIA A+ certified professional is when things begin to go bad. In this chapter, we’ll show you how to recover the Windows operating system, deal with errors, and run diagnostics programs and command line utilities.
