A customer has called you with a printer problem where the printouts are completely garbled. Instead of a text document from a word processor, the page is filled with random characters, lines, and block graphics. What’s the best next step to help troubleshoot the problem?
One of your customers has a specialized USB input device that usually works without a problem, but occasionally when starting the computer the device will not operate at all. What Windows utility can provide you with real-time information on the status of the device?
How can you get real-time device status information? Read More »
The NTFS file system includes many advantages over FAT32, but there may be some instances where using FAT32 is preferable over NTFS. Which one of these would be a good reason to choose FAT32 over NTFS?
In their June newsletter, CompTIA announced dates for the new exam and the phase-out plan for the existing CompTIA A+ exam.
Official dates announced for CompTIA A+ 2009 Edition Read More »
During a normal workday, you receive a call at your desk asking for information about a recently submitted help desk ticket. Two things are remarkable about this particular call; you notice that the call is coming from an outside line, and you don’t have any recent help desk tickets. What security exploit should you be concerned about?
Have you ever seen the wiring closet of a relatively large network? It’s a mix of cables, punch-down blocks, and patch panels. In this video, you’ll learn about those wiring distribution technologies and how to verify the wiring installation and termination of your network infrastructure.
CompTIA Network+ N10-004: 2.8 – Wiring Distribution Read More »
Once a network is in place, there are many different ways to communicate to other devices. In this video, you’ll learn about peer to peer, client/server, VPNs, and VLANs.
CompTIA Network+ N10-004: 2.7 – Logical Network Topologies Read More »
Ethernet is the King of the LAN, and in this video we’ll go into details about 10 megabit, 100 megabit, 1 gigabit, and 10 gigabit Ethernet versions. If it runs Ethernet over copper or fiber, you’ll learn about it in this module!
CompTIA Network+ N10-004: 2.6 – LAN Technologies and Properties Read More »
Packet switched WAN networks are the latest technologies in wide area communication. In this video, you’ll learn about ATM, ADSL, MPLS, cable modem, and many more packet switched technologies.
CompTIA Network+ N10-004: 2.5 – Packet Switched WAN Technologies Read More »
In the first video of this two-part series on WAN technologies, we’ll examine the specifics of circuit switched WAN links. You’ll learn about POTS, T1s, and ISDN circuit switched technologies, and we’ll show you the speed differences, transmission media, and distance limitations.
CompTIA Network+ N10-004: 2.5 – Circuit Switched WAN Technologies Read More »
