Do you want to protect your network with Nmap, but you aren't sure where to start? Professor Messer's Nmap Secrets training course will show you how to make the most of this powerful scanning technology! Our Nmap training provides an easy to follow video lecture and movies of Nmap in action on the desktop. If you need to know the details, this video course is the answer to your Nmap training needs!
The memory installation process is relatively simple, but what options do you have if your installed memory isn’t working as expected? In this module, we’ll show you how some simple physical troubleshooting and software-based memory diagnostics can help get your system up and running quickly.
The process of installing or upgrading a computer system’s memory is easy to accomplish if you have the right procedures in place. In this video, we’ll walk you through every step of memory installation. You’ll learn how to select the correct memory modules, how to physically install the new memory, and how you can check your work after the installation is complete.
The CompTIA A+ certification requires extensive knowledge of memory packages, pin counts, and memory functions. In this module, we’ll step through each memory package and describe the progression of the different memory types through the years. We’ll discuss packages such as DIMM, RIMM, SODIMM, and MicroDIMM, and we’ll also detail memory types such as SRAM, SDRAM, RDRAM, DDR, and DDR2.
We know that memory is one of the most critical resources in our computer, but how does it really work? In this video, we’ll look at the fundamentals of memory operation and learn about memory transfer rates, throughput speeds, latency, read-only memory, and the differences between single-sided and double-sided memory.
It’s one of the worst sounds in the world – a hard drive mechanism that’s gone bad. It’s even worse when it’s the sound of YOUR hard drive that decided to up and die. Unfortunately, one of my hard drives recently decided to bite the dust, but I thought I’d use the untimely demise of my hardware to provide you with some insight on what you (or your clients) might expect to hear when a hard drive starts going south.
During the troubleshooting process, I’ll sometimes ask if the problematic hard drive is making a “clicking” noise. If you aren’t exactly sure what the clicking noise of a bad hard drive sounds like, this audio clip is for you.
I took apart my hard drive enclosure, put a microphone into the unit, and powered it up. The sound you hear will be of the hard drive spinning up, the hard drive mechanics “clicking,” and the hard drive spinning down. It retries the process before powering down for good.
For those interested in the details, this was an external USB 2.0 Western Digital 500GB MyBook. After dismantling the enclosure, I found a 3.5” Western Digital Caviar RE2 WD5000YS drive. This was a SATA drive that was powered through an external power source and connected to my system through a USB 2.0 port. It was manufactured on August 6, 2006.
All of my family photos for the last five years were stored on this hard drive. Fortunately, I had a backup – do you?
Troubleshooting Memory ProblemsWednesday, 07 May 2008 | Professor MesserThe memory installation process is relatively simple, but what options do you have if your installed memory isn’t working as expected? In this module, we’ll show you how some simple physical... + Full Story
Installing and Upgrading MemoryWednesday, 07 May 2008 | Professor MesserThe process of installing or upgrading a computer system’s memory is easy to accomplish if you have the right procedures in place. In this video, we’ll walk you through every step of memory... + Full Story
Identifying Memory TypesTuesday, 06 May 2008 | Professor MesserThe CompTIA A+ certification requires extensive knowledge of memory packages, pin counts, and memory functions. In this module, we’ll step through each memory package and describe the progression of... + Full Story
There's only one book that dives into the details of Nmap, and you've found it right here.
There are a lot of reasons why people have been saying such good things about our book:
You don't have to be an expert. We start at the beginning and teach you everything you'll need as you progress. Even if you've never used Nmap, you'll be able to follow along.
We don't miss a thing. We detail every scan type, every ping type, and every configuration option. We even found a few that weren't in the documentation!
What's really going on? We've documented Nmap's network interactions so you can compare what you see on the screen with what you don't see happening over the network.
But wait - there's more! We've included a few bonuses, like our Nmap Quick Reference Guide that shows every Nmap option at a glance.
There's all of this, and some additional bonus features thrown in for good measure.
