Study tips 300-115

what causes the port to go into the errdisable state?

what this indicates about the status of the port?

Which spanning-tree technology is used to accomplish backup root port selection?

Which two elements are used to accomplish this?

Which action must be done to apply a new load balancing method?

What is causing the line protocol on this interface to be shown as down?

Which option must be enabled to allow for enhanced reporting mechanisms using Cisco Discovery Protocol?

Which technique allows specific VLANs to be strictly permitted by the administrator?

Which two actions can prevent interface trunking?

Which two protocols can be automatically negotiated between switches for trunking?