We often take things for granted in the world of IT. I'm sure your friends and family expect you to instantly fix their smartphones, program their TV and set up their home audio. I've even been asked to fix the PA system at my daughter's school because I'm in IT!
But for those inside the industry there are a few things you really are expected to understand because it's bread-and-butter work. I'm talking about things such as subnetting, IPv6, VLANs and the subject of todays blog post which is VPNs. Even if you are a programmer, web designer, project manager or general network support tech you really must know the basics.
I've sat in meetings in my early years in IT and had to bluff my way through because I didn't understand how certain technology or protocols worked when I really should have. Please don't let that happen to you.
So, here is the intro to VPNs from our CCIE Security.
This is just one of the lectures from our hugely popular Cisco CCNA Security which takes you from beginner to high level network security. As you know, network security is a hot topic and you will never be short of work once qualified. Get started for $1 by clicking here.