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

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Questions # 31:

A technical architect is designing a Dell Unity XT 480 using the System Designer option of Sizer. What is the recommended minimum amount of Flash that they should specify?

Options:

15%

10%

Answer

Explanation

7% is the recommended minimum amount of Flash that a technical architect should specify when designing a Dell Unity XT 480 using the System Designer option of Sizer. This is because, Unity XT storage systems require a certain amount of flash storage to handle system-wide functions such as metadata, snapshots and other storage services.

Questions # 32:

What is a benefit of cross-platform replication between Dell EMC SC Series and Dell PS Series arrays?

Options:

Leverages existing interfaces

Enables replication of volume collections

Supports cascade mode for the PS Group

Provides active snapshot replication

Answer

Questions # 33:

What tabs are available on the Dell EMC PowerStore Manager Dashboard?

Options:

Health. Overview. Performance, and Capacity

Health, Efficiency. Performance, and Summary

Performance. Efficiency, and Capacity only

Performance. Overview, and Capacity only

Answer

Explanation

These categories are divided in tabs: Overview, Capacity, and Performance.

[Reference:https://volumes.blog/2020/05/07/what-is-powerstore-part-6-powerstore-user-interface/, , ]

Questions # 34:

What is the minimum RPO that can be configured on a Dell Unity XT block-asynchronous replication session?

Options:

5 minutes

60 minutes

1 minute

20 minutes

Answer

Explanation

The minimum RPO (Recovery Point Objective) that can be configured on a Dell Unity XT block-asynchronous replication session is 5 minutes. RPO is a measure of how much data can be lost in the event of a disaster, and it's typically measured in minutes. The lower the RPO, the less data can be lost. Block-asynchronous replication is a replication method that copies data blocks, rather than files, between the source and the target. The data is copied at regular intervals, and if a disaster occurs at any point in time, the data on the target will be no more than 5 minutes old. The shorter the RPO, the more frequently data is copied and the less data is at risk of being lost in case of a disaster. It's important to note that this is the minimum RPO for block-asynchronous replication, it can be set to a higher value if needed.

Questions # 35:

Which parameters can be selected when sizing a Dell Unity XT 480F using the System Design method?

Options:

Drive count and RAID level Percentage of random writes and reads

Data reduction ratio Percentage of sequential writes and reads

One of four workload types Drive count and RAID level

One of two block sizes Application type

Answer

Explanation

When sizing a Dell Unity XT 480F using the System Design method, you can select one of four workload types and Drive count and RAID level. This workload type selection will take into account the specific IOPS and capacity requirements of the environment. The drive count and RAID level will determine the overall capacity and level of data protection required.

Questions # 36:

What is the maximum number of snapshot rules that can be associated with a Dell PowerStore protection policy?

Options:

Answer

Explanation

https://www.dell.com/support/manuals/en-us/powerstore-5000/pwrstr-protect-data/protection-policies?guid=guid-c8ba3ba4-6374-4285-9727-900343f64ee2 &lang=en-us#:~:text=Each%20protection%20policy%20can%20only,up%20to%20four%20snapshot%20rules.

Questions # 37:

A Dell Unity XT hybrid flash array system is configured with FAST Cache to optimize data access for OLTP workloads. What level of data granularity is tracked and promoted to the secondary cache?

Options:

8KB

256KB

64 KB

128 KB

Answer

Explanation

FAST Cache is an intelligent caching technology that optimizes data access for OLTP workloads by tracking and promoting data at the granularity of 8KB blocks. It uses a combination of flash memory and DRAM to store frequently accessed data, allowing the system to quickly access the most frequently used data, reducing latency and improving overall performance.

Questions # 38:

How many expansion enclosures can be added to a Dell PowerStore 1000T that has 10 SCM drives in the base enclosure?

Options:

Answer

Explanation

Dell PowerStore 1000T supports the addition of a maximum of one expansion enclosure when it has 10 SCM drives in the base enclosure. An expansion enclosure can be added to the base enclosure and allows the system to support additional drives and increase storage capacity.

Questions # 39:

Match each term with its description.

Question # 39

Options:

Answer

Answer:

Explanation

Throughput = Sized by type and number of ports to handle traffic

Latency = Time taken for an IO to be executed

IOPS = Amount IO generated by application

Queue depth = IOS in buffer waiting to be executed

Questions # 40:

What is the minimum recommended amount of Flash capacity in a Dell EMC Unity 480 Hybrid pool?

Options:

10%

15%

Answer

Explanation

The minimum recommended Flash capacity is at least 5% of the pool capacity.

[Reference:https://www.dell.com/support/kbdoc/en-pk/000010691/dell-emc-unity-difference-between-fast-cache-and-fast-vp-configurations-user-correctable, , ]

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