DES-1D12 sample questions

Question 1

A Dell EMC PowerStore customer wants to schedule snapshots daily at 6 AM. Which snapshot frequency interval (in minutes) is available?

Accepted Answer

5

Answer

10

Answer

20

Answer

45

Question 2

You are designing a Dell EMC PowerStore solution with a customer. They ask if they can populate Slots 0 to 10 with NVMe SSD drives. What should be your response?

Accepted Answer

NVMe SSDs must be populated in the remaining empty slots

Answer

Any drive type can be populated in the remaining slots

Answer

NVMe SCM drives are required in Slots 0 through 10

Answer

NVMe SCM drives must be populated in the remaining empty slots

Question 3

A customer site has four NAS servers participating in MetroSync replication. Which Dell EMC Unity feature could reduce failover times?

Accepted Answer

Consistency Groups

Answer

QoS Failover Policy

Answer

Cabinet Failover

Answer

SRDF Metro

Question 4

How many hierarchical snapshots are supported by Dell EMC Unity?

Accepted Answer

16 levels deep for LUNs 8 levels deep for file systems

Answer

32 levels deep for LU Ns 16 levels deep for file systems

Answer

16 levels deep for LUNs 16 levels deep for file systems

Answer

10 levels deep for LUNs 10 levels deep for file systems

Question 5

You are sizing a new Dell EMC SC Series array. Upon analyzing the Live Optics report, you find the current system has a peak throughput of 4687 MB.

What is the minimum number of 10Gb iSCSI front-end ports required to meet the throughput needs?

Accepted Answer

10

Answer

8

Answer

12

Answer

16

Question 6

What is the purpose of the NVMe NVRAM drives in a Dell EMC PowerStore 9000 array?

Accepted Answer

Write cache and vaulting

Answer

Read cache and vaulting

Answer

Read cache and base OS

Answer

Write cache and base OS

Question 7

What component or feature is provided by both the Dell EMC PowerStore 1000T array and the Dell EMC Unity XT 380 Series array?

Accepted Answer

NVMe disks

Answer

Container Integration

Answer

Configured Block with Hypervisor

Answer

Unified System

Question 8

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

Accepted Answer

Provides active snapshot replication

Answer

Leverages existing interfaces

Answer

Enables replication of volume collections

Answer

Supports cascade mode for the PS Group

Question 9

When sizing a Dell EMC Unity Hybrid array, what are considerations for performance?

Accepted Answer

Workload and hardware bottlenecks

Answer

Active data and load balancing

Answer

Drive size and component redundancy

Answer

General capacity and port utilization

Question 10

A customer has invested much time using the Dell PS Series Host Integration Toolkit (HIT) to integrate SAN snapshot protection with Microsoft SQL Server native snapshot technology. The customer expresses concern about whether Dell EMC SC Series cross-platform replication supports that capability.

What should be your response?

Accepted Answer

Leverage the integration investment and use only PS-to-PS replication on those volumes.

Answer

Recreate integration on the SC Series array and use only SC-to-SC replication for those volumes.

Answer

Cross-platform replication works with SC Series HIT integrations.

Answer

Cross-platform replication works with PS Series HIT integrations.

Question 11

When designing a Dell EMC SC Series system, which factors regarding general performance are important to understand?

Accepted Answer

Latency and queue depth

Answer

Write size and latency

Answer

Block size and read size

Answer

Transport and queue depth

Question 12

What are characteristics of D@RE on a Dell EMC Unity array?

Accepted Answer

Does not impact array during implementation Has minimal impact on performance

Answer

Impacts array only during implementation Has minimal impact on performance

Answer

Does not impact array during implementation Has some impact on performance for a moment

Answer

Impacts array for a moment after implementation Has no impact on performance

Question 13

A Solution Architect is designing a new Dell PowerStore T solution for a financial institution. The customer requires strict adherence to data redundancy policies that can withstand simultaneous drive failures within the same appliance without data loss.

Which Dynamic Resiliency Engine (DRE) configuration should be recommended to meet the requirement for double drive failure tolerance while maximizing usable capacity?

Accepted Answer

DRE Double Parity (R6 equivalent)

Answer

DRE Single Parity with a minimum of 6 drives

Answer

RAID 10 mirroring with dedicated hot spares

Answer

Traditional RAID 6 (4+2) groups

Question 14

A storage administrator is configuring a Dell Unity XT 480F system. They need to create a new storage pool that supports Advanced Deduplication. Which prerequisite must be met to enable this feature?

Accepted Answer

Data Compression must also be enabled on the resource

Answer

The pool must be a Hybrid pool with FAST Cache enabled

Answer

The pool must be configured with RAID 10

Answer

The system must be running OE version 4.5 or lower

Question 15

You are designing a PowerStore X solution for an environment that requires running applications directly on the storage array using AppsON.

Which component manages the compute resources for these internal virtual machines?

Accepted Answer

ESXi Hypervisor installed on the nodes

Answer

PowerStoreOS Container Manager

Answer

External vCenter Server only

Answer

Docker Swarm

Question 16

A customer plans to use the Dell Midrange Sizer to model a Unity XT solution. They specifically need to validate that the proposed configuration can handle a workload of 50,000 IOPS with a 70/30 Read/Write ratio and 8KB block size.

Which workflow in the Midrange Sizer tool is best suited for this specific requirement?

Accepted Answer

Performance-Oriented Sizing

Answer

Quick Configuration

Answer

Capacity-Oriented Sizing

Answer

System Designer

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