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DES-1D12
Specialist - Technology Architect Midrange Storage Solutions Exam Questions and Answers

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Questions # 21:

You are designing a Dell EMC Unity solution. You need to model expected array performance based om IOPS capability, storage capacity, and RAID type.

Which Midrange Sizer design path should you take?

Options:

Application Oriented path

Performance Data Input path

System Designer path

Quick Configuration path

Answer

Explanation

[Reference:https://www.delltechnologies.com/asset/en-gb/products/storage/industry-market/h15093-dell_emc_unity-best_practices_guide.pdf, , ]

Questions # 22:

Which block resources are supported with Dell EMC Unity asynchronous replication?

Options:

Consistency Groups and file systems

VMFS and NFS datastores

LUNs and file systems

LUNs and VMFS datastores

Answer

Explanation

[Reference:https://cdn2.hubspot.net/hubfs/1885982/dell-emc-unity-unisphere-overview.pdf?t=1543339206682, , ]

Questions # 23:

A customer has two Dell Unity arrays a Dell Unity 550F and a Dell Unity XT 480 They are undergoing a network refresh and would like to modernize to a 25 GbE network The customer has asked the technical architect about adding 25 GbE network cards to the Unity systems Both systems have free slots

Which option should the technical architect recommend?

A All Unity and Unity XT systems support 25 GbE.

B. The Unity XT 480 supports a 25 GbE card but the Unity 550F does not support a 25 GbE card

C. The Unity 550F supports a 25 GbE card but the Unity XT 480 does not support a 25 GbE card

D. 25 GbE is not supported on Unity or Unity XT systems

Options:

Answer

Answer:

The Unity XT 480 can be upgraded with the 25 GbE network cards, but the Unity 550F will not be able to support them and the customer will have to consider upgrading the Unity 550F to a newer model that supports 25 GbE.

Questions # 24:

Which QoS option is NOT supported by Dell EMC Unity XT?

Options:

Attached Snapshot

Individual or Group LUN

VMFS Datastore

iSCSI

Answer

Explanation

[Reference:https://muj.autocont.cz/Content/dellweb/pdf/Dell-EMX-Unity-XT-prezentace.pdf?AspxAutoDetectCookieSupport=1, , ]

Questions # 25:

Which describes the Dell Unity XT MetroSync replication topology?

Options:

A source block resource replicating synchronously from Site A to Site B and replicating synchronously from Site A to Site C

A source file resource replicating synchronously from Site A to Site B and replicating asynchronously from Site A to Site C

A source file resource replicating synchronously from Site A to Site B and replicating synchronously from Site A to SiteC

A source block resource replicating synchronously from Site A to Site B and replicating asynchronously from Site A to Site C

Answer

Explanation

Dell Unity XT MetroSync replication topology is a multi-site replication solution that allows you to replicate data synchronously between two or more Unity XT systems. In this topology, a source file resource is replicated synchronously from Site A to Site B, and also replicated synchronously from Site A to Site C. This means that data is written to the primary site and immediately replicated to the secondary site, ensuring that both sites have an exact copy of the data at all times. This type of topology is useful in cases where data loss is not acceptable and a zero RPO is needed. This topology ensures that the data is fully protected and that the environment is highly available, as in case of a primary site failure, the secondary site can take over.

Questions # 26:

What hardware is available on all Dell EMC Midrange storage?

Options:

NVMe disks

SEDs

1 GbE I/O modules

25 GbE I/O modules

Answer

Explanation

Dell is providing native support of NVMe to the midrange of the market, which improves performance.

[Reference:https://www.datacenterknowledge.com/dell-emc/dell-launches-new-midrange-all-flash-enterprise-storage-arrays, , ]

Questions # 27:

Which CPU family is used on a Dell Unity XT 480?

Options:

ice Lake

Haswell

Skylake

Broadwell

Answer

Explanation

The Skylake CPU family is a 6th generation Intel processor, which provides higher performance and improved energy efficiency compared to its predecessors. It is used on the Dell Unity XT 480, as well as other systems such as the Dell XPS 13, MacBook Pro, and HP Envy. Skylake CPUs are also used in servers, desktops, and laptops. Skylake CPUs include features such as Turbo Boost, Hyper-Threading, and support for DDR4 memory.

Questions # 28:

drag to right to correct sep.

Question # 28

Options:

Answer

Answer:

Explanation

Diagram Description automatically generated

[Reference:, https://rdr-it.com/en/emc-unity-300-add-a-lun/, , ]

Questions # 29:

How many hierarchical snapshots are supported by Dell EMC PowerStore 9000X array?

Options:

0 levels deep for LUNs

0 levels deep for file systems

32 levels deep for LUNs

16 levels deep for file systems

10 levels deep for LUNs

10 levels deep for file systems

16 levels deep for LUNs

16 levels deep for file systems

Answer

Questions # 30:

A customer is managing a Dell EMC SC7020 array running SCOS 7.2. The array is running out of capacity. The customer asks you to begin scoping the system for additional drives. What disk drive redundancy rule applies to 3.84 TB SSDs?