Understand the function of the Cisco command switchport mode dynamic desirable for CCNA 200-301. Learn how it enables automatic trunk negotiation using Dynamic Trunking Protocol (DTP) for seamless VLAN communication between switches.
Table of Contents
Question
What does the command switchport mode dynamic desirable do on a switch interface?
A. Forces the port into access mode
B. Forces the port into trunk mode
C. Disables trunking
D. Sets the port to block all VLAN traffic
E. Allows the port to negotiate trunking if the other side is also set to negotiate
Answer
E. Allows the port to negotiate trunking if the other side is also set to negotiate
Explanation
Dynamic Desirable actively attempts to form a trunk with another switch using DTP (Dynamic Trunking Protocol).
The command switchport mode dynamic desirable configures a switch port to actively attempt to form a trunk link with a connected device using Dynamic Trunking Protocol (DTP). In this mode, the port sends DTP negotiation messages and will become a trunk if the neighboring port is set to trunk, dynamic desirable, or dynamic auto. This dynamic negotiation allows for automatic trunk formation when both sides are capable and willing to negotiate, simplifying VLAN trunk setup between Cisco switches.
Cisco Certified Network Associate CCNA 200-301 certification exam practice question and answer (Q&A) dump with detail explanation and reference available free, helpful to pass the Cisco Certified Network Associate CCNA 200-301 exam and earn Cisco Certified Network Associate CCNA 200-301 certification.