Refer to the exhibit. After the listed commands are entered into router R1 and switch S1, the administrator enters the show interface fa0/1 trunk and gets the results shown. What is the likely problem?
- The trunk is established, but no VLANs have been configured to use it.
- The router is missing the dynamic trunking protocol statements necessary to form a trunk.
- The trunk has not been established because the router does not support dynamic trunking protocol.
- The router, the switch, or both must be configured with the dynamic desirable option for dynamic trunking protocol to establish a trunk.
Exam with this question: CCNA Exploration 3: ESwitching Final Exam
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