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Cisco CCDE v3.0 | CCDE 400-007 Question # 117 Topic 12 Discussion

400-007 Exam Topic 12 Question 117 Discussion:
Question #: 117
Topic #: 12

A business invests in SDN and develops its own SDN controller that, due to budget constraints, runs on a single controller. The controller actively places an exclusive lock on the configuration of the devices to ensure it is the only source of changes to the environment. What is the result if the controller fails?
A.

All device configurations are in read-only mode until the controller is restored.

B.

The control plane is unavailable until the controller is restored.

C.

If a device fails, the configuration backup is unavailable.

D.

Manual changes are only possible until the controller is restored.

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Actual exam question for Cisco 400-007 exam by Zyra63284 at Jun 6, 2026, 7:50:33 PM

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