DVD and Коды of Access is added only to the printed editionThe third edition of this book is the best textbook for examinations of Cisco. Author of the best sellers and experience teacher Wendell of Одом is divided by the councils of preparation to examination, helping to educe weak parties you, improve conceptual knowledge and practical skills. A book will acquaint you with procedure of the organized preparation to the tests with the use of the methods tested by time and technician of educating. The main table of examination themes simplifies a search substantially. Control questions at the beginning of every head allow to the reader to pass самопроверку to decide, how many time it is necessary to expend in every theme. Divisions for preparation to examinations at the end of every head will help to memorize the most important conceptions on each of themes and substantially economize time on certification examinations, that will increase considerably probability of the successful handing over of tests. In the last head additional advices are given and resources are described for preparation to certification examination, and also some formal plan over of preparation is brought. Heads on a search and debugging will help a reader to prepare to the decision of practical tasks and most difficult tasks of certification examination.This edition was substantially processed: content is renewed, new exercises are added and certain themes are extended, being the key to understanding and success of handing over of examinations of CCENT and CCNA. The theme of IP- of addresses was rewritten and reorganized so that to reflect the methodologies of study of conceptions and specific elements of puzzle of subnet tested by time. In addition, the head sanctified to the models of networks of TCP/IP and OSI also was fully processed and changed.This book will help to master necessary themes, in details: