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DES-1D11 Real Exam Questions

Specialist - Technology Architect | Midrange Storage Solutions

108 questions available · Page 1 of 11

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Question 1 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?

  1. A

    Unity Hybrid: Striping RAID, All-Flash Pool, and FAST Cache SC Series: FastTrack and read-intensive SSDs on Tier 1

  2. B

    Unity Hybrid: Parity RAID, All-Flash Pool, and FAST Cache SC Series: FastTrack and write-intensive SSDs on Tier 1

  3. C

    Unity Hybrid: Striping RAID, Dedicated Pool, and Flash 2 drives on Tier 1 SC Series: Data Progression and write-intensive SSDs on Tier 1

  4. D

    Unity Hybrid: Parity RAID, Dedicated Pool, and Flash 3 drives on Tier 1 SC Series: Data Progression and read-intensive SSDs on Tier 1

Show answer and explanation

Correct answer: A

Question 2 Single choice

An analysis of a customer's current environment reveals a peak of 6,600 IOPS with 4,500 writes and 2,100 reads. The sample was gathered at 10-minute intervals.
Given this information, what is a reasonable IOPS target for the Tier 1 drives in a Dell EMC SC Series solution?

  1. A

    7,000 IOPS

  2. B

    9,000 IOPS

  3. C

    12,000 IOPS

  4. D

    15,000 IOPS

Show answer and explanation

Correct answer: D

Question 3 Single choice

When a customer has sustained peak values for critical workloads, what is the main advantage of sizing a Dell EMC SC Series array for IOPS using 99th percentile instead peak values?

  1. A

    Demonstrates a clear relationship between customer needs and offerings

  2. B

    Provides a properly sized and accurately priced solution

  3. C

    Reduces complexity in preparing a properly sized solution

  4. D

    Provides a secure solution with data efficiency

Show answer and explanation

Correct answer: B

Question 4 Single choice

Using customer-supplied information, you have designed a solution using a Dell EMC Unity 400F with 250 drives. The customer now wants to increase the drive count to 340 drives at the lowest cost.

Which Unity model configuration should be recommended?

  1. A

    Keep the Unity 400F and add two 80-drive DAEs

  2. B

    Keep the Unity 400F and add four 25-drive DAEs

  3. C

    Upgrade to a Unity 500F and add two 80-drive DAEs

  4. D

    Upgrade to a Unity 500F and add two 25-drive DAEs

Show answer and explanation

Correct answer: A

Question 5 Single choice

Which Dell EMC Unity design consideration must be accounted for if the Native SANCopy Import feature is to be used?

  1. A

    Failover mode 4 needs to be enabled for all Unity LUNs

  2. B

    A Fibre Channel port from each Storage Processor is required

  3. C

    Capacity must be allocated for SANCopy Reserved LUN Pool LUNs

  4. D

    Hot access of data will require PowerPath Multipathing software

Show answer and explanation

Correct answer: C

Explanation

References:
https://www.emc.com/collateral/white-papers/h15163-emc-unity-migration-technologies.pdf
(11)

Question 6 Single choice

You are designing a Dell EMC Unity solution for a customer requiring file storage. They need to control capacity assigned to different development projects.

Which feature meets the customer's requirements?

  1. A

    File System Tree Quotas

  2. B

    Unity Compression for File

  3. C

    Host I/O Limits

  4. D

    IP Multi-tenancy

Show answer and explanation

Correct answer: D

Question 7 Single choice

Which Dell EMC Unity component holds the contents of write cache upon the loss of AC power?

  1. A

    M.2 SSD drive

  2. B

    SP memory

  3. C

    Vault disk 0

  4. D

    Vault disks 0_3

Show answer and explanation

Correct answer: A

Explanation

References:
https://www.emc.com/collateral/white-papers/h15084-dell-emc-unity-introduction-to-the-
platform.pdf (13)

Question 8 Single choice

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

  1. A

    Hydrates compressed Unity file systems when tiering to the Cloud with the Cloud Tiering Appliance

  2. B

    Migrates VNX NFSv3 configured VDMs and the associated file systems to a Unity NAS server

  3. C

    Replicates file-based VVols between two Unity systems for load balancing

  4. D

    Moves NFS datastores between two Unity systems during a VMware vMotion operation

Show answer and explanation

Correct answer: B

Explanation

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

Question 9 Single choice

What is a consideration when sizing a Dell EMC SC Series system for capacity?

  1. A

    Thin provisioning

  2. B

    Raid overhead

  3. C

    Virtual volumes

  4. D

    Compression and deduplication

Show answer and explanation

Correct answer: D

Question 10 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?

  1. A

    4 TB to 10 TB

  2. B

    10 TB to 25 TB

  3. C

    10 TB to 50 TB

  4. D

    25 TB to 50 TB

Show answer and explanation

Correct answer: B

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