If you’re managing a network, you’ll need a comprehensive toolkit to keep things running at peak efficiency. In this video, you’ll learn about the tools that will make your life a much better place. We’ll discuss cable testers and certifiers, TDRs, multimeters, punch-down tools, voltage event recorders, and much more.
The network is a constantly moving river of information, and it may be necessary to occasionally test the water as it flows by. In this video module, you’ll learn the reasons for scanning your network and the different technologies available to gather information. We’ll also dive into packet analyzers, intrusion detection systems, intrusion prevention systems, and port scanners.
CompTIA Network+ N10-004: 5.2 – Network Scanners Read More »
You’ve removed the cover of your computer to examine the CPU, but you can’t see anything because of the large metal block attached to the top of the chip. The metal block is flat where it attaches to the CPU and has long thin fins that extend away from the processor. What is this odd looking piece of metal called?
Many of the most powerful network troubleshooting tools can be found at the command line of your operating system. In this video, you’ll learn the importance of command line tools such as traceroute, ipconfig, ifconfig, ping, arping, nslookup, dig, mtr, route, nbtstat, and netstat.
CompTIA Network+ N10-004: 5.1 – Command Line Tools Read More »
The lack of a physical infrastructure can make troubleshooting a wireless network a bit more complex than traditional wired networks. In this video, you’ll learn how to troubleshoot some of the most common wireless network issues, such as interference, encryption mismatches, frequency problems, bounce, and antenna placement.
CompTIA Network+ N10-004: 4.7 – Troubleshooting Wireless Issues Read More »
Some network problems take a village. In this module, you’ll learn how to identify major network issues that will require an escalation to additional members of your team including switching loops, routing loops, route problems, proxy ARP configurations, and broadcast storms.
CompTIA Network+ N10-004: 4.7 – Identifying Issues for Escalation Read More »
Many modern computers use USB connectors for physical connectivity to devices. Prior to USB, what interface type was normally seen on a printer as its connection to external devices?
The power supply of your computer lists these specifications on the label:
What information is contained on the first sector of a hard drive and contains a table of primary partitions, disk signature information, and directions for starting the operating system?
You’ve recently upgraded the memory in your computer from 1 GB to 2 GB by removing two 512 MB memory modules and replacing them with two 1 GB memory modules. However, when you boot the computer it beeps and no error messages are shown on the screen. Which one of these would not be a troubleshooting option for this kind of issue?
Why can’t my computer see my new memory modules? Read More »
