January 2021
Beginner
565 pages
19h 27m
English
Content preview from Fundamentals of Communications and Networking, 3rd Edition
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Network Security
As information systems become more powerful and networks connect more resources, the opportunities for attackers increase. A whole new industry has developed over the past several decades to address concerns of information security. This industry helps organizations of all sizes keep their data secure. But what does it mean for information to be secure? And how is secure data related to networks?
Physical Security
Physical security is an important aspect of network security. Restricting the perimeter reduces the chance of unauthorized access for malicious purposes. By securing and watching the perimeter of a facility, personnel can control who enters and leaves. There are layers of physical security that should be provided ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.