December 2000
Intermediate to advanced
360 pages
10h 29m
English
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Wide-Area Network and Dialup Network Technologies
Cisco devices support a large number of WAN and dialup technologies. We cover the most popular of these technologies in this chapter:
High-Level Data Link Control (HDLC)
Point-to-Point Protocol (PPP)
X.25
Frame Relay
Asynchronous Transfer Mode (ATM)
Digital Subscriber Line (DSL)
Integrated Services Digital Network (ISDN)
Like the LAN protocols we have considered in this chapter, these WAN protocols operate at the data link layer of the OSI reference model. The WAN protocols transfer data across an asynchronous or synchronous serial interface from one location to another.
Note
Synchronous serial transmissions are digital signals that are transmitted with precise clocking from one device to another. ...
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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.