May 2024
Beginner to intermediate
336 pages
8h 20m
English
book
31 Days Before your Cisco Certified Support Technician (CCST) Networking 100-150 Exam: A Day-By-Day Review Guide for the CCST-Networking Certification Exam
by Allan Johnson
Content preview from 31 Days Before your Cisco Certified Support Technician (CCST) Networking 100-150 Exam: A Day-By-Day Review Guide for the CCST-Networking Certification Exam
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Day 29
Data Encapsulation
Key Topics
Today’s review focuses on how data is encapsulated into packets and frames. This concept is important for understanding normal traffic flow as well as traffic that is encapsulated in a tunnel.
Data Encapsulation Summary
As application data is passed down the protocol stack on its way to be transmitted across the network media, various protocols add information to it at each level. This is commonly known as the encapsulation process.
The data structure at any given layer is called a protocol data unit (PDU). Table 29-1 lists the PDUs at each layer ...
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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.