Are you studying for the CCENT or CCNA certifications?

Skillset can help you prepare! Sign up for your free Skillset account and take the first steps towards your certification.

Upgrade Account

An operational PortFast receives a BPDU and automatically disables the port, what can be causing the issue?

The port is configured as a trunk port.

The switch is globally configured with Root Guard feature.

The port is configured with BPDU Guard and instead of a Server or a host-computer, somebody has inadvertently plugged in a network cable from another switch running STP

The switch is filtering the BPDUs with BPDU filter function.



Skillset helps you pass your certification exam.

Contributions and Interactions
Practice Questions

Study thousands of practice questions that organized by skills and ranked by difficulty.

Contributions and Interactions
Personalized Training

Create a tailored training plan based on the knowledge you already possess.

Training Video Selector
Exam Readiness

Know when you’re ready for the high-stakes exam. Have the confidence that you will pass on your first attempt.

Get A Free Skillset Account