Data communications and networks by Behrouz Forouzan for free.
Explanation is perhaps one of the fastest developing innovations in our lifestyle today, information correspondence and system management offer an exceptional test for teachers. Due to the growing number and types of students, it is necessary to have a course book that provides for the inclusion of the latest developments, while presenting the material in an open manner to students who have a foundation next to zero in this area. Using a granular perspective, the Department of information exchange and systems presents this exceptionally specialized subject without relying on complex equations through the use of force fields of a methodology supported by over 700 figures. Currently, in its fourth edition, this reading material puts the first student at the forefront of the latest developments in the field, presenting the basics in a sensible and straightforward way. Students will keep track of better integration, more developed figures and better explanations on the latest material. The "base" approach allows teachers to cover the material in one course, rather than holding separate seminars on information correspondence and systems management
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