What protocol or technology is a Cisco proprietary protocol that is automatically enabled on 2960 switches?
- DTP
- STP
- VTP
- EtherChannel
Explanation: Dynamic Trunking Protocol (DTP) is a Cisco proprietary protocol that is automatically enabled on Catalyst 2960 and 3650 Series switches. Its default state on these switches is dynamic auto, which allows the interface to automatically negotiate a trunk link if the neighboring device is set to trunk or desirable mode. While Spanning Tree Protocol (STP) is also enabled by default, the base protocol (802.1D) is an IEEE standard, and EtherChannel must be manually configured.
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