Challenging DELL EMC D-MSS-DS-23 Practice Questions - Complete D-MSS-DS-23 Exam Preparation

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DELL EMC D-MSS-DS-23 Practice Questions
Dell Midrange Storage Solutions Design 2023
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1.A customer requests a proposal for a new Dell EMC SC Series storage system with the following
specifications:
? IO type: Random
? Existing data: 100 TB
? Rate of change: 2 TB per day
? Growth rate: 100 GB per day
? Snapshot retention: 1 week
What storage capacity should be specified to scope the system with Tier 1 RAID 10 protection?
A. 2.5 TB
B. 4.5 TB
C. 6.5 TB
D. 8.5 TB
Answer: C
2.A customer has a Dell EMC Unity 680F array with a single pool consisting of 10 drives configured
with RAID 5 (4+1).
What is the minimum number of drives required to expand the pool?
A. 1
B. 5
C. 6
D. 7
Answer: A
3.4.4 SAS SSD
Reference: https://www.delltechnologies.com/asset/en-us/products/storage/industry-
market/h18149-dell-emc-powerstore-platform-introduction.pdf
4.What is a benefit of restoring data from a Dell EMC Unity snapshot?
A. Can select which Consistency Group members have data restored
B. Supports replication to up to 32 remote systems
C. Enables efficient storage usage with 8 KB block granularity
D. Does not require additional pool storage
Answer: A
5.In Dell EMC PowerStore storage, if the remote cluster has multiple appliances, then what
automatically chooses the destination appliance for the resource?
A. Performance Policy
B. Resource Balancer
C. Master appliance
D. Source array
Answer: B
Explanation:
From the POWERSTORE ADMINISTRATION PARTICIPANT GUIDE, " Resource balancer also
considers the the following when placing volumes: Whether the appliance is offline Appliance failure
status Capacity utilization
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6.What is a benefit of using a performance assessment tool?
A. Retrieves workload metrics from all storage systems
B. Provides performance statistics in a structured postgres database
C. Retrieves the performance archives using the Unity Data Collection
D. Provides automated performance statistics in chart and table format
Answer: D
Explanation:
A performance assessment tool is used to evaluate the performance of storage systems and provide
statistics that can be used to identify and troubleshoot performance issues. One of the benefits of
using a performance assessment tool is that it provides automated performance statistics in chart and
table format, making it easy to understand performance metrics and identify any potential issues. This
allows the user to quickly identify and address any bottlenecks in the system, and make adjustments
to improve performance.
7.A Dell EMC PowerStore customer plans to migrate storage volumes across appliances within a
cluster. They want to use minimal effort to ensure that the appliance avoids reaching full capacity.
Which method is recommended?
A. Live Migrate
B. Assisted Migration
C. Resource Balance
D. Volume Placement
Answer: B
Explanation:
Assisted migration - In the background, the system periodically monitors storage resource utilization
across the appliances. Migration recommendations are generated based on factors such as drive
wear, appliance capacity, and health. If you accept a migration recommendation, a migration session
gets automatically created.
Reference: https://www.dell.com/support/manuals/en-pk/powerstore-1000t/pwrstr-cfg-vols/migrate-sto
rage-resources-to-another-appliance?guid=guid-2c5f6014-60e4-43ee-928f-b537c59da869&lang=en-
us
8.What is a characteristic of single-tier Flash on Dell EMC SC Series arrays?
A. Supports both write-intensive and read-intensive SSDs in the same tier
B. Snapshot data is kept on Tier1 in RAID 10 to optimize performance
C. Read only data is migrated to lower tiers when a snapshot is taken
D. Supports either write-intensive or read-intensive SSDs in the same tier
Answer: D
Explanation:
Reference: https://downloads.dell.com/manuals/common/sc-series-performance-availability-best-
practices-dell-emc-4024-bp-sc_en-us.pdf (15)
9.How many PCI-E lanes are provided for Slot 0 and Slot 1 in Dell EMC Unity XT arrays?
A. 8 for Slot 0; 8 for Slot 1
B. 16 for Slot 0; 16 for Slot 1
C. 8 for Slot 0; 16 for Slot 1
D. 16 for Slot 0; 8 for Slot 1
Answer: D
Explanation:
Reference: https://www.delltechnologies.com/en-gb/collaterals/unauth/technical-guides-support-
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information/products/storage/docu94617.pdf
10.DRAG DROP
Match each Dell EMC Unity feature with its destination.
Answer:
cascade replication: Asynchronous replication
NAS Server mobility: move host
MetroSync: native synchro
Fan-out replication: one to many asynchronous
11.A customer has two Dell S4148FON switches which are not connected to each other. The
customer wants to use SMB to present NAS data directly from the array to their users. The solution
must have resilience in case a switch outage occurs
Which solution should the technical architect recommend?
A. Dell PowerStore100X
B. Dell PowerVault ME4
C. Dell PowerStore 1000T
D. Dell Unity XT 480
Answer: D
Explanation:
The Dell PowerVault ME4 is a storage area network (SAN) solution specifically designed for SMB
environments. It provides high availability through active-active controllers and automatic failover,
which ensures that data remains accessible in the event of a switch outage. By connecting the two
S4148FON switches to the Dell PowerVault ME4, the customer will be able to present NAS data
directly from the array to their users, and also have resilience in case of switch outage.
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