→ Introduction. Basic Concepts, Historical Overview. → Comece a aprender / Download de MP3 Flashcards

questão		resposta
What is PAN? começar a aprender		Personal Area Network, Nearest neighborhood, < 1 m
What is LAN? começar a aprender		Local Area Network, Room building areal, 10m 100m 1km
What is MAN? começar a aprender		Metropolitan Network, Town City Country, 10km 100km 1000km
What is WAN? começar a aprender		Wide Area Network, Continent, 1000km
What node roles are there? começar a aprender		peer-to-peer, client-server, master-slave
What mediums are there for networks to travel? começar a aprender		Metalic, optics, wireless
What mode of transportation are there for data networks? começar a aprender		Connection oriented (Circuits), Connectionless (packets)
What data networks architectures are there? começar a aprender		ISO/OSI, TCP/IP, X. 25 and so on
What’s a network architecture? começar a aprender		Method of communication and definition of the set of used protocols and layers
Whats‘s network topology? começar a aprender		Way of interconnection of elements in the network
Examples of topologies? começar a aprender		Bus, ring, star, extended star, hierarchical, mesh
Why is network architecture useful? começar a aprender		Implementation if the network at all is too complicated, so we decompose the problem into smaller parts (layers)

Introduction. Basic concepts, historical overview.