May 2024
Intermediate to advanced
309 pages
13h 33m
English
Content preview from Data Communications and Computer Networks by Pearson
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192 Data Communications and Computer Networks
Line Layer: The line layer takes care of the movement of signal across a physical line. At this
layer, the line layer overhead is added to the frame. The line layer functions are provided by STS
multiplexers and add/drop multiplexers.
Path Layer: The movement of a signal from the optical source to the optical destination is the
responsibility of the path layer. The electronic signal is changed into the optical form from the elec-
tronic form at the optical source and then multiplexed with other signals, finally being encapsulated
into a frame. The received frame is demultiplexed and the individual ...
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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.