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E20-393 PDF DEMO:
QUESTION NO: 1
Through which protocols are backend storage provisioned to the ESXi host when deploying a
UnityVSA system?
A. iSCSI, SMB, and NFS
B. iSCSI and NFS only
C. FC and iSCSI only
D. FC, iSCSI, and NFS
Answer: A
Explanation:
UnityVSA supports SMB, NFS, and iSCSI.
References:
https://www.emc.com/collateral/TechnicalDocument/docu69362.pdf
(page 4)
QUESTION NO: 2
Which technology is used by Unity Snapshots?
A. Inline Deduplication
B. Copy on First Write
C. Redirect on Write
D. Block Compression
Answer: C
Explanation:
The technology used for snapshots of both block and file resources in Unity is called redirect on write
.
QUESTION NO: 3
A Storage administrator needs to expand their FAST Cache by 400 GB. The current configuration consists of two 400 GB SAS Flash 2 drives.
What can be used to expand the FAST Cache?
A. One 400 GB SAS Flash 2 drive
B. Four 200 GB SAS Flash 3 drives
C. Two 200 GB SAS Flash 2 drives
D. Two 400 GB SAS Flash 2 drives
Answer: C
QUESTION NO: 4
What is the maximum number of LUN snapshots that are supported by Unity?
A. 512
B. 256
C. 96
D. 16
Answer: B
Explanation:
Note: Logical Unit Number (LUN) - A block-level storage device that can be accessed using a protocol such as iSCSI.
QUESTION NO: 5
Which UnityVSA storage resource can be configured with Host I/O limits?
A. NAS Server
B. LUN
C. Pool
D. File System
Answer: B
Explanation:
Host I/O limits is a feature which allows the user to control the amount of throughput and bandwidth consumed by block resources.
This feature can be applied to LUNs, VMFS datastores, or attached snapshots.
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Updated: May 27, 2022