CNX-001 · Question #10
CNX-001 Question #10: Real Exam Question with Answer & Explanation
The correct answer is D: Portfast. Enabling PortFast on access ports lets them immediately enter the forwarding state, skipping the STP listening/learning timers, and dramatically speeds up convergence when switches or end- stations come online.
Question
A network engineer is designing a Layer 2 deployment for a company that occupies several floors in an office building. The engineer decides to make each floor its own VLAN but still allow for communication between all user VLANs. The engineer also wants to reduce the time necessary for STP convergence to occur when new switches come online. Which of the following should the engineer enable to accomplish this goal?
Options
- ABPDU Guard
- BPriority
- CTagging
- DPortfast
Explanation
Enabling PortFast on access ports lets them immediately enter the forwarding state, skipping the STP listening/learning timers, and dramatically speeds up convergence when switches or end- stations come online.
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