Which two items are true regarding the spanning-tree portfast command? (Choose two.)
- PortFast is Cisco proprietary.
- PortFast can negatively effect DHCP services.
- PortFast is used to more quickly prevent and eliminate bridging loops.
- Enabling PortFast on trunks that connect to other switches improves convergence.
- If an access port is configured with PortFast, it immediately transitions from a blocking to a forwarding state.
Exam with this question: CCNA Exploration 3: ESwitching Chapter 5 Exam
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