A reference 40

The manual is accompanied by a multitude of pictures and explanatory diagrams, regular examples and implemented to better define the different concepts covered, and a list dabréviations and acronyms also made freely available on the internet to better understand the jargon.

Throw it in a new edition of the old dust suppressant became obsolete items, adorning it a broader platform for new technologies (IPv6, VoIP, fiber optic ...) while not failing to stay accessible to very large levels of reading; there was undoubtedly a true reference in the field.