Question:
Which command should the network administrator implement to prevent the transfer of DTP frames between a Cisco switch and a non-Cisco switch?
- S1(config-if)# switchport mode trunk
- S1(config-if)# switchport nonegotiate
- S1(config-if)# switchport mode dynamic desirable
- S1(config-if)# switchport mode access
- S1(config-if)# switchport trunk allowed vlan none
Explanation: To prevent DTP frames from being generated by the interface of a Cisco switch, use the S1(config-if)# switchport nonegotiate command. DTP is Cisco proprietary and not usable by other vendors.
Exam with this question: CCNA 3 (v5.0.3 + v6.0) Chapter 2 Exam Answers
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