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A workstation is powered off and powered on frequently. The STP with default timers cycles from the Blocking state to the Forwarding State in 30 seconds approximately. The user of the workstation demands that its availability should be faster. Which of the following is the best solution for this problem?
Configure BPDU Guard on the switchport.
Disable STP on the Switch.
Enable PortFast.
Enable DTP on the port.
A bridging loop would never be caused on a specific device such as a workstation or router that connects to a switchport of the switch. If the device starts acting as a switch then becomes the problem of a switching loop. PortFast feature shortens the Listening and Learning state, making a port into forwarding sate much faster than usual. Disabling STP on a Switch can cause bridging loops to occur. BPDU Guard, disables STP on a switchport. DTP "Dynamic Trunking Protocol" is used for automatic negotiation of trunk links. For more information refer to: http://www.cisco.com/c/en/us/support/docs/lan-switching/spanning-tree-protocol/28943-170.html
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