Dell EMC Specialist – Systems Administrator, VNX — Question 32

A customer reports they can no longer access their services and a network administrator has been assigned to investigate. A UFD disabled error status appears on all ports. What caused the issue?

Answer options

• A. Spanning tree Loop-guard was implemented on the uplink-state group.
• B. One of the upstream interfaces is an uplink-state group went down.
• C. There was no issue; this is normal behavior.
• D. Both a port channel and its members were assigned to an uplink-state group.

Correct answer: A

Explanation

The correct answer is A because implementing Spanning Tree Loop-guard on an uplink-state group can prevent ports from transitioning to a forwarding state, leading to a UFD disabled status. Option B is incorrect as it suggests a single interface issue rather than a configuration problem. Option C is not accurate because the UFD disabled status indicates an abnormal condition. Option D is also wrong since it does not explain the UFD status, which is related to a configuration issue rather than just port channel assignments.