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A trunk mode mismatch is believed to be causing loss of network connectivity. Which of the following is causing this problem?

The no-negotiate mode is issued on both ends.

One end of the trunk is configured with ISL and the the other end as 802.1Q.

One end of the trunk is configured with mode "Trunk" and the other as mode "on".

One end of the trunk is configured as a trunk mode "off" and the other end as trunk mode "on".



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