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 »
You’re looking to purchase a new computer, and you notice that many models include a “dual-core” CPU. What is a significant feature of a dual-core CPU?
Which video-based expansion bus was initially released by Intel in 1997 and has evolved into newer specifications that can support rates of up to 2 gigabytes per second? This expansion bus format isn’t included on new motherboards today, but the bus type is still supported on new video adapters available from a few manufacturers.
Which of these options should not be used to clean a motherboard?
What’s the best way to clean motherboard components? Read More »
Often, some of our most irritating network problems are related to logical configuration settings. In this module, you’ll learn how to check port speed, duplex, VLAN configurations, DNS settings, and much more.
CompTIA Network+ N10-004: 4.7 – Troubleshooting Common Logical Connectivity Issues Read More »
The quality of your copper and fiber infrastructure affects everything that traverses your network. In this module, you’ll learn the importance of troubleshooting physical issues like crosstalk, attenuation, shorts, opens, and impedance mismatches.
CompTIA Network+ N10-004: 4.7 – Troubleshooting Common Physical Connectivity Issues Read More »
