《现代通信网》的复习大纲;（Modern communication network outline of the review;）.docVIP

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《现代通信网》的复习大纲;（Modern communication network outline of the review;）.doc

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《现代通信网》的复习大纲;（Modern communication network outline of the review;）

《现代通信网》的复习大纲;（Modern communication network outline of the review;） Modern communication network outline of the review: Away The first chapter focuses on the review (1) comparison of two modes of packet switching;. (2) permanent virtual circuit (PVC), switched virtual circuit (SVC); (3) the difference between virtual circuit and circuit switching; (4) the working principle of packet switching (5) to form a communication network; (6) the definition and characteristics of circuit switching; (7) C3N;. (8) narrow line and broadband lines; (9) the concept of network interconnection and the basic way; ----------------------------------------------------- The second chapter focuses on the review of the public switched telephone network (1) the elements of telephone communication network; (2) the characteristics of the telephone network; (3) the network topology of fixed telephone communication network; (4) telephone exchange principle;. (5) the basic structure of the telephone network is divided into two kinds of network and network level continuously; (6) telephone network architecture in china; (7) Chinas long-distance telephone network structure; (8) local network structure; (9) the concept and classification of telephone network routing;. (10) the concept of call loss; (11) 5 routing (backbone routing, low loss, high efficiency, direct direct routing routing routing and routing, the final choice of the concept and difference; routing). (12) the long distance network routing rules;. (13) local network routing rules;. (14) intelligent network (IN) consists of the basic concept, intelligent network;. (15) a schematic diagram of the basic structure of intelligent network;. (16) 800 business process specification (a typical application of intelligent network);. ------------------------------------------------------------------------------------- The third chapter series SDH (synchronous digital transmission network) review key (1) the concept of synchronous and asynchronous