December 2024
Intermediate to advanced
804 pages
18h 44m
English
Content preview from CompTIA Network+ N10-009 Cert Guide, 2nd Edition
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Chapter 1
The OSI Model and Encapsulation
This chapter covers the following topics related to Objective 1.1 (Explain concepts related to the Open Systems Interconnection [OSI] reference model) of the CompTIA Network+ N10-009 certification exam:
Way back in 1977, the International Organization for Standardization (ISO) developed a subcommittee to focus on the interoperability of multivendor communications systems. This is fancy language for getting network “stuff” to communicate with other network “stuff,” even if different companies made the network “stuff.” What sprang from this subcommittee was the Open ...
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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.