Refer to the exhibit. What does “LEARNING” mean as it relates to the Spanning Tree Protocol?

Refer to the exhibit. What does “LEARNING” mean as it relates to the Spanning Tree Protocol?

• The switch is sending and receiving data frames.
• The switch is not receiving BPDUs, but is sending and receiving data.
• The switch is participating in the election process by forwarding the BPDUs it receives.
• The switch is receiving BPDUs and populating the MAC address table, but not sending data.

Exam with this question: CCNA Exploration 3: ESwitching Final Exam