Dell PowerConnect 5548 User Guide - Page 696

Authentication Profiles Sets of rules which that enables login to and authentication of users and applications. Auto-negotiation Allows 10/100 Mpbs or 10/100/1000 Mbps Ethernet ports to establish for the following features: • Duplex/Half Duplex mode • Flow Control • Speed B Back Pressure A mechanism used with Half Duplex mode that enables a port not to receive a message. Backplane The main BUS that carries information in the switch module. Backup Configuration Files Contains a backup copy of the switch module configuration. The Backup file changes when the Running Configuration file or the Startup Configuration file is copied to the Backup file. Bandwidth Bandwidth specifies the amount of data that can be transmitted in a fixed amount of time. For digital switch modules, bandwidth is defined in Bits per Second (bps) or Bytes per Second. Bandwidth Assignments The amount of bandwidth assigned to a specific application, user, or interface. Baud The number of signaling elements transmitted each second. Best Effort Traffic is assigned to the lowest priority queue, and packet delivery is not guaranteed. 696 Dell PowerConnect 55xx Systems User Guide