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

Introduction. Basic concepts, historical overview.