MTA

MTA

1. LAN

   • Stands for Local Area Network
     • STAR, BUS and RING
     • Has computers connected to a server hub and a central networking device
       • RJ45
   • 8P8C: This is the ethernet twisted pair
   • CSMA/CD & CSMA/CA:CSMA/CA (Carrier Sense Multiple Access/Collision Avoidance) is a protocol for carrier transmission in 802.11 networks. Unlike CSMA/CD (Carrier Sense Multiple Access/Collision Detect) which deals with transmissions after a collision has occurred, CSMA/CA acts to prevent collisions before they happen.
   • Half and full duplex: Refers to the transmission of data in two directions simultaneously. For example, a telephone is a full-duplex device because both parties can talk at once. In contrast, a walkie-talkie is a half-duplex device because only one party can transmit at a time.