CCNA: Cisco Certified Network Associate — Question 717

Which port state processes BPDUs, but does not forward packets or update the address database in Rapid PVST+?

Answer options

• A. blocking
• B. learning
• C. listening
• D. disabled

Correct answer: A

Explanation

The correct answer is A, blocking, as it processes BPDUs without sending packets or updating the MAC address table. The learning state (B) is responsible for updating the address database, while the listening state (C) is involved in processing BPDUs but prepares to forward packets. The disabled state (D) does not participate in BPDU processing at all.