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DES-1D11 Specialist - Technology Architect | Midrange Storage Solutions

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EMC · DES-1D11

Free DES-1D11 Exam Dumps Preview

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Question 1

Single choice

What is a benefit of using single-tier Flash with Dell EMC SC Series?

A
Support for write-intensive and read-intensive SSDs in the same tier
B
RAID 5/RAID 6 is converted to RAID 10 for increased efficiency
C
Snapshot data is sent to RAID 10 write-intensive SSDs to optimize capacity
D
Writes are sent to RAID 10 write-intensive SSDs for better performance

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Correct answerA

Question 2

Single choice

A DPACK report shows that a customer needs a design to handle 21,000 IOPS from all servers with a read/write percentage of 70/30.

What will be the target back-end IOPS for a Dell EMC SC Series array design?

A
21,000 IOPS
B
25,200 IOPS
C
27,300 IOPS
D
35,700 IOPS

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Correct answerC

Question 3

Single choice

What can be the result of having too few drives in Tier 3 of a Dell EMC SC Series solution?

A
DSM Automated Reports may not update
B
Cache will be automatically disabled
C
Back-end cross-connect may become saturated
D
Poor Data Progression performance

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Correct answerD

Question 4

Single choice

A customer wants to expand their Dell EMC Unity system that includes a pool of 64 drives in a RAID 5 (4 +1) configuration.

What is the minimum amount of drives needed to expand the pool?

A
1
B
5
C
6
D
10

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Correct answerC

Question 5

Single choice

To maximize system performance on Dell EMC Unity systems, what is recommended?

A
Distribute Flash drives across back-end buses
B
Use a 12-drive DPE with only Hybrid systems
C
Build storage pools with only a minimum number of drives
D
Distribute host connections across as few front-end ports as possible

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Correct answerA

Explanation

References:
https://www.emc.com/collateral/white-papers/h15093-dell-emc-unity-best-practices-guide.pdf

Question 6

Single choice

A customer wants a solution that includes a single 12-drive DPE and six 25-drive DAEs.

Which Dell EMC Unity model should be recommended?

A
Unity 300
B
Unity 400
C
Unity 450F
D
Unity 500F

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Correct answerB

Question 7

Single choice

You are designing a solution for a customer who is sensitive to capacity needs. In addition, they require low latency for large write I/Os.

Which Dell EMC midrange storage solution will meet the customer's requirements?

A
Unity All-Flash: Parity RAID, Dynamic Pool, and Flash 2 drives SC Series: Data Progression and write-intensive SSDs on Tier 1
B
Unity All-Flash: Parity RAID, FAST VP, and FAST Cache SC Series: FastTrack and write-intensive SSDs on Tier 1
C
Unity All-Flash: Parity RAID, Dynamic Pool, and Flash 3 drives SC Series: Data Progression and read-intensive SSDs on Tier 1
D
Unity All-Flash: Striping RAID, FAST VP, and FAST Cache SC Series: FastTrack and read-intensive SSDs on Tier 1

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Correct answerD

Question 8

Single choice

When designing front-end connectivity for a Dell EMC SC Series solution, what must be considered?

A
Data Progression
B
Management
C
Cache synchronization
D
Replication

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Correct answerA

Question 9

Single choice

Which value should be used for back-end sizing when planning a Dell EMC SC Series solution?

A
1x front-end throughput
B
2x front-end throughput
C
3x front-end throughput
D
4x front-end throughput

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Correct answerB

Question 10

Single choice

Which Dell EMC Unity feature provides improved system performance by identifying a chunk of Block data that is accessed frequently?

A
Quality of Service
B
Data Progression
C
FAST Cache
D
FastTrack

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Correct answerC

Question 11

Single choice

A customer has a Dell EMC Unity 500 at their headquarters location. They want to deploy a UnityVSA in a remote/branch office environment to run an instance of a mission-critical financial application. In addition, they want to ensure that headquarters and the branch offices share the same information by using asynchronous replication. Finally, the customer wants to add 10 TB of capacity in the next 6 months.

Since a Professional Edition subscription with the lowest storage capacity was purchased, what is the minimum upgrade subscription required?

A
4 TB to 10 TB
B
10 TB to 25 TB
C
10 TB to 50 TB
D
25 TB to 50 TB

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Correct answerB

Explanation

References:
https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=6&ved=0ahUKEwig0NezrvLXAhUEvxQKHU74CXMQFghTMAU&url=https%3A%2F%2Femcworldonline.com%2F2017%2Fconnect%2FfileDownload%2Fsession%2F764DFD4C535346D061566C85615E0183%2Fstorage38.%2520Dell%2520EMC%2520Unity%2520%26%2520SC%2520Series%2520-%2520Midrange%2520Storage%2520Portfolio%2520Overview.pdf&usg=AOvVaw3Pc0KZIYKIj11J3RLzjlOm

Question 12

Single choice

Which controllers support Dell EMC SC200, SC220, and SC280 enclosures?

A
SCv2020, SC4020, and SC7020
B
SCv2020, SC7020, and SC9000
C
SC4020, SC7020, and SC9000
D
SC4020, SC8000, and SC9000

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Correct answerD

Explanation

References:
https://japan.emc.com/collateral/specification-sheet/h15893-387-expansion-enclosure-ss.pdf

Question 13

Single choice

A customer wants to provide file systems for two performance-intensive database applications on a Dell EMC Unity 500.

What is the recommended File storage configuration to balance the system performance?

A
Multiple file systems for each application Access-based enumeration enabled on file system shares
B
Single NAS server with multiple interfaces Define a preferred interface for outgoing communications
C
File systems created from different storage pools Client-side caching of offline files enabled on file system shares
D
Separate NAS servers on each Storage Processor Provide storage for each application from separate NAS servers

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Correct answerA

Question 14

Single choice

What are the characteristics of RAID Extents on a Dell EMC Unity system?

A
RAID extents contain at least two drive extents from the same drive.
RAID extents always include drive extents from two different Drive Partnership Groups.
B
Number of drive extents within a RAID extent is determined by the drive capacity.
RAID extents will not include drive extents from two different Drive Partnership Groups.
C
No RAID extents contain two drive extents from the same drive.
RAID extents will not include drive extents from two different Drive Partnership Groups.
D
No extents contain two drive extents from the same drive.
RAID extents are always 256 MB in size.

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Correct answerD

Explanation

References:
https://www.dellemc.com/en-au/documentation/unity-family/unity-p-pool-config/06-unity-pool-br-understanding-raid.htm

Question 15

Single choice

Which Dell EMC Unity technology is the Local LUN Move feature architecture built upon?

A
Inband Migration Tool
B
Copy on First Write
C
SanCopy Push
D
Transparent Data Transfer

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Correct answerD

Explanation

References:
https://www.emc.com/collateral/white-papers/h15163-emc-unity-migration-technologies.pdf

Question 16

Single choice

A customer is using High Consistency mode for replication with a Dell EMC SC9000.

What will happen if the remote DR volume is unavailable?

A
Writes will stop to the source volume if the connection to the remote DR volume is unavailable
B
All access to the source volume will be prohibited, replication will need to be reconfigured
C
Writes will continue to the source volume and synchronize once the remote DR volume is available
D
Automated failover will occur, reconnecting the replication from the surviving controller

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Correct answerA

Question 17

Single choice

Which Dell EMC Unity function does the File Import feature provide?

A
Migrates VNX CIFS-configured VDMs and the associated file systems to a Unity SMB NAS server
B
Moves SMB shared file systems between two Unity systems during a Hyper-V cluster failover
C
Replicates file-based Vvols between two Unity systems for load balancing
D
Hydrates compressed Unity file systems when tiering to the Cloud with the Cloud Tiering Appliance

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Correct answerA

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Specialist - Technology Architect | Midrange Storage Solutions

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