E20-393 Certification Exam Questions with AI Explanations

QUESTION: 56

A system administrator has installed the Unity Connection Utility on a Microsoft Windows host. The Windows host is connected to the same physical subnet as a newly installed Unity storage system. When the utility is run, it does not discover any Unity storage systems.

What should be checked on the host that may be preventing the utility from discovering any Unity storage systems?

Java SE version
Ethernet adapter flow control
Network Access Filter Driver
Host firewall services

Answer(s): A

Explanation:

Unity Connection is dependent on Java for some of the components to work.

Incorrect Answers:
B: Ethernet flow control is a mechanism for temporarily stopping the transmission of data on Ethernet family computer networks.
D: As the traffic is within the same physical subnet a firewall would have no effect.

Reference:

https://www.cisco.com/c/en/us/support/docs/unified-communications/unity-connection/117497-probsol-unity-00.html

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QUESTION: 57

A Unity 400 system has Data at Rest Encryption licensed and enabled. Which operation(s) must be performed from the Unisphere Settings window to ensure the system is still operational after SP replacements?

Download Audit Log
Download Checksum
Backup Keystore File
Download Audit Log and Checksum

Answer(s): C

Explanation:

The keystore is tied to the storage processors, so care must be taken when performing service operations in order to preserve the encryption keys. In the event that the chassis and both storage processors need to be replaced, both storage processors should not be replaced at the same time. Instead, the chassis replacement should be followed while retaining one SP until the array is back online before replacing the second SP. In the case that storage processors have already been replaced at the same time and the keystore was lost, the keystore may be restored from an external backup.

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