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If you're an IT professional and people everywhere seek your help, you
should always have the following portable, useful applications handy.
Let's face it, you just never know when and where you might need these.
Let's use the following tools within a USB flash drive, keeping all you need right in your pocket regardless where you go.
First, equip free (and highly reliable) spyware applications on
your flash drive. The most common and useful ones are Spybot S&D
and Adaware. Just make sure you regularly update these from time to
time.
Equip your flash drive with powerful anti-virus
tools. Again, a free yet useful one simply called AntiVir. It provides all
scanning capabilities and up-to-date definition files. As an
alternative, Avast! Free Anti-virus is also a very respected, free and
compact application.
Let's not leave behind a tool that can analyze your computer.
That is, there are programs capable of detailing everything in a
computer, from the amount of RAM to more complex motherboard/BIOS
settings. You DEFINITELY NEED to know these things, in case you have to
troubleshoot a rare, malfunctioning hardware/software. You simply have
to know what you're dealing with.
The best one I can recommend is EVEREST.
For issues that are more on the network side, you can use tools to
further analyze unwanted traffic and holes. For example, you can use
TCP view, which tells you which TCP and UDP ports are in use, as well
as what applications or services are running it. This could be vital
when it comes to identifying suspicious traffic, lack of speed on your
internet connection, and so on.
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