This study page is designed to help you concentrate on what you must know to pass the test. You must know basic network topologies. For example token ring network uses physical star topology and logical ring topology. Mesh topology is the most difficult and expensive to implement but it offers greatest reliability and redundancy.
Ethernet network are logical bus topologies, but can have physical star or bus topologies.
Basic knowledge LAN Local area network. Typical network inside an office or inside a building MAN Metropolitan area network. A network that connects several LANs in a city. WAN Wide area network. A network that spans over long distance.