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IT Interview Questions: Bas Topology

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IT Interview Questions: Bas Topology

To prevent collisions senses multi access /collision detection CSMA/CD is used in Ethernet .one way transferring data . Ethernet is one of the earliest LAN technologies. An Ethernet LAN typically uses special grades of twisted pair cabling. Ethernet networks can also use coaxial cable, but this cable medium is becoming less common. The most commonly installed Ethernet systems are called 10BaseT. The router provides the interfaces for twisted pair cables. A converter can be attached to the AUI port of a router to connect to a 10base2, 10baseT, or 10base5 LAN interface. Ethernet and Token Ring use MAC addressing (physical addressing). The Ethernet interfaces on the router are E0, E1, E2, and so on. E stands for Ethernet, and the number that follows represents the port number. These interfaces provide connectivity to an Ethernet LAN. In a non-modular Cisco router, the Ethernet ports are named as above, but in modular routers they are named as E0/1, where E stands for Ethernet, 0 stands for slot number, and 1 stands for port number in that slot.

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