E20-393 Sample Questions & Answers
Free Unity Solutions Specialist Exam practice questions with worked answers and explanations. See how the ExamJungle simulator prepares you — then jump into the full test.
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- Question 1
A storage administrator is configuring a storage pool on a Unity system containing Flash disks and SAS disks. What tier will the system assign to each of the disk types?
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Correct answer: A
Explanation: Hybrid pools can have up to 3 tiers (Extreme Performance, Performance, and Capacity). For the Extreme Performance tier, use only SAS Flashdrives. For the Capacity tier, use only SAS drives.
- Question 2
What describes the LUN Snapshot Copy operation?
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Correct answer: B
Explanation: Note: You can create copies of LUNs by cloning LUNs from the Snapshot copies in a volume. These FlexClone LUNs are readable and writable copies of the LUNs as the LUN existed when the Snapshot copy was created. Before you can clone a LUN, you must create a Snapshot copy (the backing Snapshot copy) of the LUN you want to clone. References: https://library.netapp.com/ecmdocs/ECMP1368845/html/GUID-E0660F7B-491B4AA0-A1A8-22B12DC6917D.html
- Question 3
Which technology is used by Unity Snapshots?
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Correct answer: C
Explanation: The technology used for snapshots of both block and file resources in Unity is called redirect on write.
- Question 4
A system administrator is configuring asynchronous remote replication for an existing NAS server and its' file systems on a Unity system. What should the administrator create to ensure all data is replicated for the NAS server and the file system?
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Correct answer: D
Explanation: Before File Systems or VMware NFS Datastores can be replicated, the NAS Server must be replicated.
- Question 5
Which Unity feature provides a high bandwidth connection for large file transfers, enables proactive Service Request generation and usage license reporting, and operates on a 24x7 basis?
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Correct answer: D
Explanation: Benefit from secure, high-speed, 24x7 predictive monitoring and remote repair for your EMC information infrastructure. EMC Secure Remote Services (ESRS) enables EMC Customer Service to identify and proactively resolve potential issues before they can impact your business.
- Question 6
Which software bundles are provided with the Unity Starter software package?
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Correct answer: A
Explanation: The UnityVSA offers a dynamic deployment model that allows you to start for free and grow as business needs evolve. UnityVSA include: -- Reference: https://www.emc.com/collateral/white-papers/h15084-dell-emc-unity-introduction-tothe-platform.pdf (page 20)
- Question 7
When configuring asynchronous remote replication, how many internal Unity Snapshots are configured and utilized on the source system by a single replication session?
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Correct answer: B
Explanation: Internal Snapshot (Replication Snapshot) are Unity Snapshots created by the system which are part of an asynchronous replication session. These Snapshots can be viewed in Unisphere, but user operations are not permitted. Each asynchronous replication session uses two internal snapshots taken on the source and destination storage resources.
- Question 8
A storage administrator is implementing FAST Cache on a Unity 500 storage array and can select from a mix of SSD drives. Which drive types can be configured to meet the administrators requirements?
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Correct answer: A
Explanation: Unity 500 FAST Cache is only supported by 200 GB and 400 GB SSD hard drives. -- Reference: https://www.emc.com/collateral/data-sheet/h14958-unity-hybrid-family-ss.pdf (page 5)
- Question 9
A storage administrator is required to test a new version of an application loaded on a secondary host. The administrator must use existing data contained on a LUN provisioned from Dell EMC Unity XT to a primary host. Which solution will meet the requirement and provide space efficiency?
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Correct answer: B
Explanation: Attaching a snapshot is only applicable for block snapshots, and makes the snapshot available for host IO. A host must have Snapshot access or LUN and Snapshot access configured in order to access the snapshot. When a snapshot is attached, Unisphere provides the option to create a copy of the snapshot in case the administrator wants to preserve the current snapshot view for future use.
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