300-615 Switch Practice Questions
The free 300-615: Troubleshooting Cisco Data Center Infrastructure (DCIT) questions that deal with switch, with answers and explanations. The full bank and the timed practice test cover every topic the exam asks about.
Question #1
Refer to the exhibit. After a failover occurs, which two actions must be performed on Switch-B to manually preempt the operational primary role back to Switch-A? (Choose two.)
Select 2 answers.
Correct answer: B, E
Explanation
vPC roles are non-preemptive. To hand the operational primary role back to Switch-A, give Switch-B a higher (less preferred) role priority and then flap the vPC peer link on Switch-B so the roles are renegotiated.
Question #2
The Cisco Nexus switch is connected to a peer switch that is not running Cisco NX-OS. The switches are connected using port channel and are experiencing packet loss. Which action should be performed on the Cisco Nexus switch ports to resolve this issue?
Correct answer: C
Explanation
With a non-NX-OS peer, LACP graceful convergence delays bringing the port channel down and causes traffic loss, so it must be turned off on the Nexus port channel.
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