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DES-1721 EMC Specialist - Implementation Engineer SC Series Exam Free Practice Exam Questions (2025 Updated)

Prepare effectively for your EMC DES-1721 Specialist - Implementation Engineer SC Series Exam certification with our extensive collection of free, high-quality practice questions. Each question is designed to mirror the actual exam format and objectives, complete with comprehensive answers and detailed explanations. Our materials are regularly updated for 2025, ensuring you have the most current resources to build confidence and succeed on your first attempt.

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Total 147 questions

Based on the exhibit, a customer is using a Virtual Port Mode configuration. If the cable for Domain 1 on Controller 1 is disconnected during failover testing, will the SC Series array port failover work?

A.

No, the configuration contains only a single port per domain and will not provide port failover.

B.

Yes, the configuration will provide port failover as the system is configured for Virtual Port Mode.

C.

No, port failover only works in Legacy Port Mode.

D.

Yes, the configuration will provide port failover regardless of domains or mode.

Which zones accurately describe the zoning requirement for replication connectivity to be established when the source array is in Legacy Port Mode and the target array is in Virtual Port Mode?

A.

Zone 1 = All Source Virtual Port WWNs + All Remote Physical Port WWNsZone 2 = All Source Physical Port WWNs + All Remote Virtual Port WWNs

B.

Zone 1 = All Physical WWNs from both arraysZone 2 = All Virtual WWNs from both arrays

C.

Zone 1 = All Source WWNs + All Remote Virtual Port WWNsZone 2 = All Source WWNs + All Remote Physical Port WWNs

D.

Zone 1 = All Source Virtual Port WWNs + All Remote Port WWNsZone 2 = All Source Physical Port WWNs + All Remote Port WWNs

A customer is concerned they are over utilizing their 7K drives. Where can information about the real time I/O usage of individual drives be viewed?

A.

Hardware > Disks > [disk folder] > [disk number]

B.

Charting > Disks > [disk folder] IO Charts

C.

Charting > Disks > [disk folder] > [disk number]

D.

Hardware > Disks > [disk folder]

You are implementing a front-end connection in Legacy Port Mode on an SC4020 in a SAN with two iSCSI switches. What is the minimum number of port(s), per switch, that can be used by the SC Series array?

A.

One port on each of the Ethernet switches

B.

Two ports on each of the Ethernet switches

C.

Four ports on each of the Ethernet switches

D.

Eight ports on each of the Ethernet switches

Based on the exhibit, a customer is using Virtual Port Mode. If the primary path for the controller on the “left” is disconnected while running an IOmeter test for a volume owned by the “left” controller, will the system survive failover?

A.

Yes, Virtual Port Mode will failover the I/O through the other available paths.

B.

No, Virtual Port Mode does not support port failover.

C.

No, the system does not have reserved paths to perform failover.

D.

Yes, the reserved path will be active and I/O will continue.

You are required to install twenty-four (24) 3.5” 12 Gb disks on a deployed system. Which disk enclosure would support this?

A.

SC420

B.

SC400

C.

SCv320

D.

SC460

What is the correct system hierarchy of SC Series array storage virtualization?

You have connected a 12 GB expansion enclosure using Mini-SAS HD cables. When powered on, some of the cable do not show a link. Why?

A.

Inserted upside down

B.

Incorrect cable voltage

C.

Non powered cable

D.

Inserted sideways

When configuring an SC Series array, why should a 4 MB data page size be selected?

A.

When systems have large files with infrequent snapshots

B.

This is the default data page size

C.

This is an invalid data page size and cannot be selected

D.

When applications have high performance needs

How much memory is required if a customer plans to use the Dell Storage Replication Adapter for VMware with their Dell EMC Data Collector?

A.

4 GB

B.

8 GB

C.

10 GB

D.

12 GB

Which method can be used to identify the server HBA WWN?

A.

Brocade Web Tools “Port Admin” tab

B.

Dell Storage Manager Data Collector

C.

Dell Storage Manager Client

D.

QConverge Console GUI

You recently deployed two SC9000 storage arrays at a customer site one week ago and verified that everything was working correctly with replication. However, the customer notifies you that every time they tested disaster recovery (DR), they lost access to the volumes when the DR array shut down.

Why did the volumes become inaccessible during testing?

A.

Asynchronous Replication with Deduplication

B.

High Consistency Synchronous Replication

C.

Asynchronous Replication with Active Replay

D.

High Availability Synchronous Replication

What is a requirement for installing the Dell Storage Manager (DSM) Virtual Appliance?

A.

Must be installed on a standalone ESXi Hypervisor

B.

Must be installed on a vVols datastore

C.

Must be installed on a standalone Hyper-V Hypervisor

D.

Must be installed on a standard datastore

How many SAS ports are used on each EMM of an SC460?

A.

1

B.

2

C.

3

D.

4

There has been a request to add iSCSI functionality to a SC9000 array for replication. SC is currently using slots 4 and 5 for SAS back end. Slots 2 and 3 for Fibre Channel front end.

How many slots are available for new half-height I/O Cards?

A.

1

B.

2

C.

3

D.

4

When performing the initial configuration on an SC9000 through the serial port, which command is used to reboot the controller?

A.

qle factoryreset 5 0

B.

cs purge all

C.

-reset

D.

-restart

Which user type can create and map volumes using servers and disk folders that have already been created?

A.

FSE

B.

Root

C.

Reporter

D.

Volume Manager

Which Live Volume Requirement or Best Practice is necessary for disaster recovery?

A.

Primary and Secondary Storage Centers configured in Unisphere for SC Series

B.

QoS defined on the Primary system

C.

Licensed Live Volume on secondary Storage Center

D.

Fibre Channel or iSCSI with a round trip latency of less than 10 ms

When a SC is in a failover state what will occur in the surviving controller?

A.

Data and metadata will be available

B.

The read cache that is associated with the failed controller will be created

C.

The deduplication dictionary from the failed controller will load

D.

Deduplication will run

For what is Application Protection Manager used?

A.

SQL databases

B.

Hyper-V machine resources

C.

VMware virtual machines

D.

Oracle databases

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Total 147 questions
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