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Latest EMC E20-393 Exam Practice Questions and Answers
QUESTION 1
When deploying virtual disks for a UnityVSA system, what is an EMC recommended Disk Provision Policy?
A. Thick Provision Eager Zeroed
B. Thin Provision
C. Thick Provision
D. Thick Provision Lazy Zeroed
Correct Answer: A
EMC recommends the following settings for all virtual disks:
Disk Provisioning: Thick Provision Eager Zeroed.
Location: A different datastore than the VM.
QUESTION 2
Refer to the exhibit.
Which port is used to connect the DPE to a DAE?
A. A
B. B
C. C
D. D
Correct Answer: B
Reference: https://www.emc.com/collateral/TechnicalDocument/docu69318.pdf
QUESTION 3
The cache has sent data to the Data Reduction logic during proactive cleaning or flushing. What is the correct sequence
of steps taken by the Data Reduction logic?
Select and Place:
QUESTION 4
What is the function of CloudIQ?
A. Tier to cloud storage
B. Provision storage resources
C. Configure host access
D. Monitor system health
Correct Answer: D
Reference: https://www.emc.com/collateral/white-papers/h15691-emc-cloudiq-overview.pdf
QUESTION 5
Which storage access configuration is unique to VMware Datastores?
A. Host IO burst policy
B. vCenter Server
C. IP Multi-tenancy
D. Auto formatting
Correct Answer: C
QUESTION 6
In Unisphere, where can a storage administrator create an asynchronous LUN replication session?
A. LUN Properties window only
B. Replication page only
C. Replication page or the LUN Properties window
D. LUN Creation wizard or the LUN Properties window
Correct Answer: A
QUESTION 7
Two fans have failed on the SPE. How much time does the Dell EMC Unity system allow before the SP is shut down?
A. 2 min
B. 3 min
C. 4 min
D. 5 min
Correct Answer: D
QUESTION 8
What pathing options are supported by Dell EMC Unity XT systems to provide a host with Fibre Channel access to block
storage?
A. Single Path, Multipath, and Alternate Path
B. Single Path and Multipath only
C. Multipath only
D. Single Path only
Correct Answer: B
Reference: https://www.dellemc.com/zh-tw/collaterals/unauth/technical-guides-supportinformation/products/storage/docu69325.pdf
QUESTION 9
Which storage objects support Advanced Deduplication?
A. VMFS datastores and VVols
B. Thin LUNs and thick LUNs
C. Thick LUNs and VVols
D. Thin LUNs and thin VMFS datastores
Correct Answer: D
QUESTION 10
When creating a NAS Server replication session, which settings are required for the destination NAS Server?
A. Name, Pool, and Storage Provisioning
B. Interface configuration, Pool, and Storage Processor
C. Pool, RPO, and Storage Processor
D. Name, interface configuration, and RPO
Correct Answer: A
References: https://www.emc.com/dam/uwaem/documentation/unity-p-replication-config.pdf
(30)
QUESTION 11
A storage administrator is considering adding another application to run on their Unity 300 but they are concerned about
the application\\’s performance. They ask what is considered “normal” for CPU utilization. Based on Dell EMC best
practices, what should be your response?
A. Below 50%
B. 50% – 70%
C. 70% – 90%
D. 90% – 95%
Correct Answer: B
References: https://www.emc.com/collateral/white-papers/h15093-dell-emc-unity-best-practices-guide.pdf
(p.9)
QUESTION 12
Which step must be completed prior to performing the initial configuration of a UnityVSA system and creating the first
storage pool?
A. Create an ESXi host profile
B. License the system for NFS and SMB support
C. Add vDisks to the storage appliance
D. Install license keys for thin provisioning
Correct Answer: C
UNITY VSA STORAGE POOL CREATION
1.
Under the Storage, Pool Section go to Pools. Select the + to start the “Create Pool Wizard”.
2.
Name the Pool
3.
Assign a Tier to each Virtual Disk attached to the VSA. You have Extreme, Performance, and Capacity.
Etc.
References: https://samshouseblog.com/2016/06/08/unity-vsa-storage-pool-creation/
QUESTION 13
What block size do Dell EMC Unity systems use to copy highly accessed blocks of data from spinning drives into FAST
Cache?
A. 16 KB
B. 32 KB
C. 64 KB
D. 128 KB
Correct Answer: C
Reference: https://www.emc.com/collateral/white-papers/h15086-emc-unity-fast-technology-overview.pdf (2)
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