Which statement describes the term root guard in the operation of STP?
- It is a feature that prevents any alternative or root ports from becoming designated ports because of a loss of BPDUs on the root port.
- It is a feature that prevents a configured port from becoming a root port.
- It is a value that decides which switch can become the root bridge.
- It is a safety mechanism that shuts down ports configured with STP portfast upon receipt of a BPDU.
Related exam: CCNP Core Networking: Modules 1 - 5 Checkpoint Exam: L2 Redundancy Exam
